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Deadlock when using JDK17 with maven java project #2676

Closed
mohnishkodnani opened this issue Sep 15, 2022 · 14 comments · Fixed by eclipse-jdtls/eclipse.jdt.ls#2256
Closed

Deadlock when using JDK17 with maven java project #2676

mohnishkodnani opened this issue Sep 15, 2022 · 14 comments · Fixed by eclipse-jdtls/eclipse.jdt.ls#2256
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@snjeza
Labels
bug
Milestone
End October 2022

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@mohnishkodnani
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mohnishkodnani commented Sep 15, 2022 •
edited
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[provide a description of the issue]
Open a java project in visual studio code causes a deadlock where the java project import gets stuck.

Environment
  • Operating System: MAC OS Monterey, M1 chip.
  • JDK version: 17.0.3
  • Visual Studio Code version: 1.71.0
  • Java extension version: v1.10.2022082204
Steps To Reproduce
  1. Open up a java project in Visual Studio Code, it was too big, so JVM memory auto increased, then the jdt process was stuck

[Please attach a sample project reproducing the error]
Please attach logs

2022-09-14 17:31:46
Full thread dump OpenJDK 64-Bit Server VM (17.0.3+7-LTS mixed mode, sharing):

Threads class SMR info:
_java_thread_list=0x0000000100e068a0, length=30, elements={
0x0000000138808a00, 0x000000015900aa00, 0x000000015900b000, 0x000000013b808e00,
0x0000000158833400, 0x0000000158813a00, 0x0000000158814000, 0x0000000158814600,
0x000000013c009600, 0x000000015900b600, 0x0000000159014000, 0x0000000148866800,
0x000000013c80a600, 0x000000013c8f5400, 0x000000013c80b800, 0x000000013c8f4c00,
0x000000013b80fe00, 0x000000013c9d1c00, 0x000000015921a600, 0x00000001489b0400,
0x000000013c320c00, 0x0000000159030800, 0x000000014897a000, 0x0000000158a3e800,
0x000000013c249000, 0x00000001591a3c00, 0x000000014a818a00, 0x000000013b80f800,
0x000000013b9ff800, 0x000000014a819000
}

"main" #1 prio=5 os_prio=31 cpu=377.77ms elapsed=19.59s tid=0x0000000138808a00 nid=0x2603 in Object.wait()  [0x000000016f935000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000005037d3400> (a java.lang.Object)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.jdt.ls.core.internal.LanguageServer.start(LanguageServer.java:33)
	- locked <0x00000005037d3400> (a java.lang.Object)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0([email protected]/Native Method)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke([email protected]/NativeMethodAccessorImpl.java:77)
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke([email protected]/DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke([email protected]/Method.java:568)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1440)

"Reference Handler" #2 daemon prio=10 os_prio=31 cpu=0.38ms elapsed=19.58s tid=0x000000015900aa00 nid=0x4403 waiting on condition  [0x000000017c78a000]
   java.lang.Thread.State: RUNNABLE
	at java.lang.ref.Reference.waitForReferencePendingList([email protected]/Native Method)
	at java.lang.ref.Reference.processPendingReferences([email protected]/Reference.java:253)
	at java.lang.ref.Reference$ReferenceHandler.run([email protected]/Reference.java:215)

"Finalizer" #3 daemon prio=8 os_prio=31 cpu=0.07ms elapsed=19.58s tid=0x000000015900b000 nid=0x4003 in Object.wait()  [0x000000017c996000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500800af8> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:155)
	- locked <0x0000000500800af8> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:176)
	at java.lang.ref.Finalizer$FinalizerThread.run([email protected]/Finalizer.java:172)

"Signal Dispatcher" #4 daemon prio=9 os_prio=31 cpu=0.25ms elapsed=19.57s tid=0x000000013b808e00 nid=0x5803 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Service Thread" #5 daemon prio=9 os_prio=31 cpu=0.29ms elapsed=19.57s tid=0x0000000158833400 nid=0x5903 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Monitor Deflation Thread" #6 daemon prio=9 os_prio=31 cpu=0.39ms elapsed=19.57s tid=0x0000000158813a00 nid=0x5a03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" #7 daemon prio=9 os_prio=31 cpu=2082.46ms elapsed=19.57s tid=0x0000000158814000 nid=0xa203 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"C1 CompilerThread0" #10 daemon prio=9 os_prio=31 cpu=800.66ms elapsed=19.57s tid=0x0000000158814600 nid=0xa003 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"Sweeper thread" #11 daemon prio=9 os_prio=31 cpu=16.59ms elapsed=19.57s tid=0x000000013c009600 nid=0x5d03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Common-Cleaner" #12 daemon prio=8 os_prio=31 cpu=0.34ms elapsed=19.57s tid=0x000000015900b600 nid=0x5e03 in Object.wait()  [0x000000017d902000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500800d08> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:155)
	- locked <0x0000000500800d08> (a java.lang.ref.ReferenceQueue$Lock)
	at jdk.internal.ref.CleanerImpl.run([email protected]/CleanerImpl.java:140)
	at java.lang.Thread.run([email protected]/Thread.java:833)
	at jdk.internal.misc.InnocuousThread.run([email protected]/InnocuousThread.java:162)

"Notification Thread" #13 daemon prio=9 os_prio=31 cpu=0.05ms elapsed=19.52s tid=0x0000000159014000 nid=0x9d03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Active Thread: Equinox Container: 1fd6fc5f-2b6b-4cb0-a021-08b50f137e0e" #15 prio=5 os_prio=31 cpu=1.06ms elapsed=19.32s tid=0x0000000148866800 nid=0x6303 waiting on condition  [0x000000017e33e000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
	- parking to wait for  <0x0000000500800ed0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos([email protected]/AbstractQueuedSynchronizer.java:1672)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:1182)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:899)
	at java.util.concurrent.ThreadPoolExecutor.getTask([email protected]/ThreadPoolExecutor.java:1062)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1122)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Refresh Thread: Equinox Container: 1fd6fc5f-2b6b-4cb0-a021-08b50f137e0e" #17 daemon prio=5 os_prio=31 cpu=10.98ms elapsed=19.27s tid=0x000000013c80a600 nid=0x9903 in Object.wait()  [0x000000017e54a000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000005008014a8> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x00000005008014a8> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Framework Event Dispatcher: Equinox Container: 1fd6fc5f-2b6b-4cb0-a021-08b50f137e0e" #18 daemon prio=5 os_prio=31 cpu=0.72ms elapsed=19.26s tid=0x000000013c8f5400 nid=0x6603 in Object.wait()  [0x000000017e756000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801b18> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x0000000500801b18> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Start Level: Equinox Container: 1fd6fc5f-2b6b-4cb0-a021-08b50f137e0e" #19 daemon prio=5 os_prio=31 cpu=492.45ms elapsed=19.26s tid=0x000000013c80b800 nid=0x9703 in Object.wait()  [0x000000017e962000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000005008016a0> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x00000005008016a0> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"SCR Component Actor" #20 daemon prio=5 os_prio=31 cpu=0.32ms elapsed=19.25s tid=0x000000013c8f4c00 nid=0x9603 in Object.wait()  [0x000000017eb6e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000005008011b0> (a java.util.LinkedList)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:83)
	- locked <0x00000005008011b0> (a java.util.LinkedList)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Bundle File Closer" #22 daemon prio=5 os_prio=31 cpu=2.84ms elapsed=19.13s tid=0x000000013b80fe00 nid=0x9403 in Object.wait()  [0x000000017ef86000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500802618> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x0000000500802618> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Worker-JM" #23 prio=5 os_prio=31 cpu=0.06ms elapsed=19.05s tid=0x000000013c9d1c00 nid=0x9303 in Object.wait()  [0x000000017f192000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801a60> (a java.util.ArrayList)
	at org.eclipse.core.internal.jobs.InternalWorker.run(InternalWorker.java:61)
	- locked <0x0000000500801a60> (a java.util.ArrayList)

"Worker-0" #24 prio=5 os_prio=31 cpu=34.42ms elapsed=19.01s tid=0x000000015921a600 nid=0x6c03 in Object.wait()  [0x000000017f39e000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Worker-1: Initialize Workspace" #25 prio=5 os_prio=31 cpu=613.44ms elapsed=19.00s tid=0x00000001489b0400 nid=0x6e03 waiting for monitor entry  [0x000000017f5a9000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x00000005008051c0> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.loadCoreExtensions(PlexusContainerManager.java:299)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.newPlexusContainer(PlexusContainerManager.java:198)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:165)
	- locked <0x0000000500807c28> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.getComponentLookup(PlexusContainerManager.java:190)
	at org.eclipse.m2e.core.embedder.MavenModelManager.readMavenModel(MavenModelManager.java:120)
	at org.eclipse.m2e.core.project.LocalProjectScanner.readMavenProjectInfo(LocalProjectScanner.java:126)
	at org.eclipse.m2e.core.project.LocalProjectScanner.scanFolder(LocalProjectScanner.java:95)
	at org.eclipse.m2e.core.project.LocalProjectScanner.run(LocalProjectScanner.java:66)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjects(MavenProjectImporter.java:302)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.collectMavenProjectInfo(MavenProjectImporter.java:148)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjectInfo(MavenProjectImporter.java:141)
	- locked <0x0000000503b65758> (a org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.importToWorkspace(MavenProjectImporter.java:164)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.importProjects(ProjectsManager.java:149)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.initializeProjects(ProjectsManager.java:111)
	at org.eclipse.jdt.ls.core.internal.handlers.InitHandler$1.runInWorkspace(InitHandler.java:244)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:43)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Java indexing" #26 daemon prio=4 os_prio=31 cpu=2394.53ms elapsed=18.82s tid=0x000000013c320c00 nid=0x8c03 in Object.wait()  [0x00000002b0a36000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500811140> (a org.eclipse.jdt.internal.core.search.indexing.IndexManager)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.jdt.internal.core.search.processing.JobManager.run(JobManager.java:452)
	- locked <0x0000000500811140> (a org.eclipse.jdt.internal.core.search.indexing.IndexManager)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"pool-2-thread-1" #27 prio=5 os_prio=31 cpu=0.30ms elapsed=18.73s tid=0x0000000159030800 nid=0x7c03 waiting on condition  [0x00000002b0c42000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
	- parking to wait for  <0x0000000503800170> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos([email protected]/AbstractQueuedSynchronizer.java:1672)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:1182)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:899)
	at java.util.concurrent.ThreadPoolExecutor.getTask([email protected]/ThreadPoolExecutor.java:1062)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1122)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"pool-1-thread-1" #29 prio=5 os_prio=31 cpu=201.19ms elapsed=18.67s tid=0x000000014897a000 nid=0x7e03 waiting on condition  [0x00000002b0e4d000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
	at java.lang.Thread.sleep([email protected]/Native Method)
	at org.eclipse.jdt.ls.core.internal.JobHelpers.waitForJobs(JobHelpers.java:198)
	at org.eclipse.jdt.ls.core.internal.JobHelpers.waitForInitializeJobs(JobHelpers.java:177)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.initialized(JDTLanguageServer.java:261)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0([email protected]/Native Method)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke([email protected]/NativeMethodAccessorImpl.java:77)
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke([email protected]/DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke([email protected]/Method.java:568)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.lambda$null$0(GenericEndpoint.java:65)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint$$Lambda$172/0x0000000800ec5ad0.apply(Unknown Source)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.notify(GenericEndpoint.java:152)
	at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.handleNotification(RemoteEndpoint.java:220)
	at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.consume(RemoteEndpoint.java:187)
	at org.eclipse.jdt.ls.core.internal.ParentProcessWatcher.lambda$0(ParentProcessWatcher.java:130)
	at org.eclipse.jdt.ls.core.internal.ParentProcessWatcher$$Lambda$166/0x0000000800ebec60.consume(Unknown Source)
	at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:194)
	at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:94)
	at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:113)
	at java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
	at java.util.concurrent.FutureTask.run([email protected]/FutureTask.java:264)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"process reaper" #30 daemon prio=10 os_prio=31 cpu=0.37ms elapsed=18.61s tid=0x0000000158a3e800 nid=0x8a03 waiting on condition  [0x00000002b0e8e000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
	- parking to wait for  <0x0000000503d17d28> (a java.util.concurrent.SynchronousQueue$TransferStack)
	at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
	at java.util.concurrent.SynchronousQueue$TransferStack.transfer([email protected]/SynchronousQueue.java:401)
	at java.util.concurrent.SynchronousQueue.poll([email protected]/SynchronousQueue.java:903)
	at java.util.concurrent.ThreadPoolExecutor.getTask([email protected]/ThreadPoolExecutor.java:1061)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1122)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Worker-2: Repository registry initialization" #35 prio=5 os_prio=31 cpu=6.38ms elapsed=18.55s tid=0x000000013c249000 nid=0x8607 waiting for monitor entry  [0x00000002b109a000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:145)
	- waiting to lock <0x0000000500807c28> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getPlexusContainer(MavenImpl.java:978)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.lookup(MavenImpl.java:1029)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:327)
	- locked <0x00000005008051c0> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistry.updateRegistry(RepositoryRegistry.java:229)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistryUpdateJob.run(RepositoryRegistryUpdateJob.java:50)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Worker-3: Updating Maven Dependencies" #36 prio=5 os_prio=31 cpu=14.90ms elapsed=18.55s tid=0x00000001591a3c00 nid=0x8307 waiting for monitor entry  [0x00000002b12a6000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x00000005008051c0> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.newExecutionRequest(MavenExecutionContext.java:142)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:232)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:205)
	at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryRefreshJob.run(ProjectRegistryRefreshJob.java:104)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Worker-4" #37 prio=5 os_prio=31 cpu=1.59ms elapsed=16.96s tid=0x000000014a818a00 nid=0x5f07 in Object.wait()  [0x000000017db0e000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Worker-5" #38 prio=5 os_prio=31 cpu=0.99ms elapsed=16.95s tid=0x000000013b80f800 nid=0x9b07 in Object.wait()  [0x000000017e132000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Worker-6" #39 prio=5 os_prio=31 cpu=1.75ms elapsed=16.95s tid=0x000000013b9ff800 nid=0xad03 in Object.wait()  [0x00000002ba302000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000500801260> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Attach Listener" #40 daemon prio=9 os_prio=31 cpu=0.99ms elapsed=0.11s tid=0x000000014a819000 nid=0xae13 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"VM Thread" os_prio=31 cpu=7.67ms elapsed=19.58s tid=0x0000000158626470 nid=0x3e03 runnable  

"GC Thread#0" os_prio=31 cpu=70.77ms elapsed=19.59s tid=0x0000000138613160 nid=0x3203 runnable  

"GC Thread#1" os_prio=31 cpu=67.58ms elapsed=18.83s tid=0x0000000106b839a0 nid=0x7003 runnable  

"GC Thread#2" os_prio=31 cpu=68.19ms elapsed=18.83s tid=0x000000012fe88c60 nid=0x7203 runnable  

"GC Thread#3" os_prio=31 cpu=66.70ms elapsed=18.83s tid=0x000000012fe89550 nid=0x7403 runnable  

"GC Thread#4" os_prio=31 cpu=66.24ms elapsed=18.83s tid=0x000000012fe89e90 nid=0x7603 runnable  

"GC Thread#5" os_prio=31 cpu=65.76ms elapsed=18.83s tid=0x0000000148690820 nid=0x9103 runnable  

"GC Thread#6" os_prio=31 cpu=66.13ms elapsed=18.83s tid=0x0000000148691040 nid=0x7803 runnable  

"GC Thread#7" os_prio=31 cpu=68.33ms elapsed=18.83s tid=0x0000000148691980 nid=0x9003 runnable  

"GC Thread#8" os_prio=31 cpu=69.14ms elapsed=18.83s tid=0x00000001486922c0 nid=0x8f03 runnable  

"G1 Main Marker" os_prio=31 cpu=0.20ms elapsed=19.59s tid=0x0000000138614020 nid=0x4f03 runnable  

"G1 Conc#0" os_prio=31 cpu=27.82ms elapsed=19.59s tid=0x0000000138614df0 nid=0x4e03 runnable  

"G1 Conc#1" os_prio=31 cpu=26.44ms elapsed=18.83s tid=0x0000000158779810 nid=0x8d03 runnable  

"G1 Refine#0" os_prio=31 cpu=24.54ms elapsed=19.58s tid=0x00000001386d3920 nid=0x3803 runnable  

"G1 Refine#1" os_prio=31 cpu=18.76ms elapsed=18.31s tid=0x0000000100e09db0 nid=0x8807 runnable  

"G1 Refine#2" os_prio=31 cpu=16.03ms elapsed=18.31s tid=0x0000000106809c60 nid=0x8503 runnable  

"G1 Refine#3" os_prio=31 cpu=15.85ms elapsed=18.31s tid=0x0000000100e0b5e0 nid=0x15303 runnable  

"G1 Refine#4" os_prio=31 cpu=16.09ms elapsed=18.31s tid=0x0000000100e0bf00 nid=0xac03 runnable  

"G1 Refine#5" os_prio=31 cpu=15.69ms elapsed=15.84s tid=0x00000001380245a0 nid=0x14d03 runnable  

"G1 Refine#6" os_prio=31 cpu=12.92ms elapsed=15.84s tid=0x00000001586eabd0 nid=0x14c03 runnable  

"G1 Refine#7" os_prio=31 cpu=16.19ms elapsed=15.84s tid=0x0000000106c832c0 nid=0x14b03 runnable  

"G1 Refine#8" os_prio=31 cpu=14.28ms elapsed=15.84s tid=0x0000000106c83680 nid=0x14803 runnable  

"G1 Service" os_prio=31 cpu=3.44ms elapsed=19.58s tid=0x0000000158617c90 nid=0x4b03 runnable  

"VM Periodic Task Thread" os_prio=31 cpu=7.96ms elapsed=19.52s tid=0x000000015872f420 nid=0x9c03 waiting on condition  

JNI global refs: 12, weak refs: 0


Found one Java-level deadlock:
=============================
"Worker-1: Initialize Workspace":
  waiting to lock monitor 0x000000013800a9f0 (object 0x00000005008051c0, a org.eclipse.m2e.core.internal.embedder.MavenImpl),
  which is held by "Worker-2: Repository registry initialization"

"Worker-2: Repository registry initialization":
  waiting to lock monitor 0x00000001586e3230 (object 0x0000000500807c28, a java.util.HashMap),
  which is held by "Worker-1: Initialize Workspace"

Java stack information for the threads listed above:
===================================================
"Worker-1: Initialize Workspace":
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x00000005008051c0> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.loadCoreExtensions(PlexusContainerManager.java:299)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.newPlexusContainer(PlexusContainerManager.java:198)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:165)
	- locked <0x0000000500807c28> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.getComponentLookup(PlexusContainerManager.java:190)
	at org.eclipse.m2e.core.embedder.MavenModelManager.readMavenModel(MavenModelManager.java:120)
	at org.eclipse.m2e.core.project.LocalProjectScanner.readMavenProjectInfo(LocalProjectScanner.java:126)
	at org.eclipse.m2e.core.project.LocalProjectScanner.scanFolder(LocalProjectScanner.java:95)
	at org.eclipse.m2e.core.project.LocalProjectScanner.run(LocalProjectScanner.java:66)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjects(MavenProjectImporter.java:302)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.collectMavenProjectInfo(MavenProjectImporter.java:148)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjectInfo(MavenProjectImporter.java:141)
	- locked <0x0000000503b65758> (a org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.importToWorkspace(MavenProjectImporter.java:164)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.importProjects(ProjectsManager.java:149)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.initializeProjects(ProjectsManager.java:111)
	at org.eclipse.jdt.ls.core.internal.handlers.InitHandler$1.runInWorkspace(InitHandler.java:244)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:43)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
"Worker-2: Repository registry initialization":
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:145)
	- waiting to lock <0x0000000500807c28> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getPlexusContainer(MavenImpl.java:978)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.lookup(MavenImpl.java:1029)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:327)
	- locked <0x00000005008051c0> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistry.updateRegistry(RepositoryRegistry.java:229)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistryUpdateJob.run(RepositoryRegistryUpdateJob.java:50)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Found 1 deadlock.
Current Result

Deadlock

Expected Result

Project loads up

Additional Informations

There are 2 jdt processes running when i check my system

  503 18314 18287   0  5:31PM ??         0:03.66 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_ss_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/ss_ws
  503 18321 18287   0  5:31PM ??         0:13.93 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws```

I have tried the option to clean workspace and load , it does not help. 
I have tried to kill these processes and new processes start and get stuck immmediately. 
I have tried to delete the workspaceStorage under /Users/mkodnani/Library/Application\ Support/VSCodium/User/workspaceStorage/* but that does not help either. 

It gets stuck with this message

083ced92 Initialize Workspace: 31% Refreshing '/jdt.ls-java-project'. [307/1000]
48dfea68 Refreshing Maven model: [0/-1]

Same percentage.. cannot get it the process to redo from 0%. 

Unfortunately, I cannot share the git repo that shows this issue.
@snjeza
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snjeza commented Sep 15, 2022

@mohnishkodnani could you check https://github.com/snjeza/vscode-test/raw/master/java-1.10.2.vsix?

@mohnishkodnani
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@snjeza It does seem to help a bit but i will test out more.. i do notice that whenever i call clean java server workspace, to try and get a clean compilation, the old processes are not cleaned up.

For example. now i have 4 processes since the morning.

❯ ps -ef | rg jdt
  503 18321     1   0  5:31PM ??         0:33.40 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
  503 21811     1   0  9:17AM ??         0:39.60 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
  503 23048     1   0  9:37AM ??         3:01.53 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -Xlog:jni+resolve=off -XX:+UseG1GC -Xmx12G -Xms8G -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java-1.10.2/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
  503 23581 23571   0 10:30AM ??         0:11.68 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -Xlog:jni+resolve=off -XX:+UseG1GC -Xmx12G -Xms8G -jar /nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java-1.10.2/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2/config_ss_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/ss_ws
  503 23601 23571   0 10:30AM ??         2:42.17 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -Xlog:jni+resolve=off -XX:+UseG1GC -Xmx12G -Xms8G -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java-1.10.2/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws

@mohnishkodnani
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It did seem to help initially, but after calling cleanup workspace and reload a bunch of times, its still stuck, but no deadlock in the jstack, just seems to hang now on these steps

01e90e6a Repository registry initialization [Done]
4293b4c0 Configuring java project SearchServiceTest: 64% Refreshing '/TestProject/src/main/java'. [641/1000]

@snjeza
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snjeza commented Sep 15, 2022

It did seem to help initially, but after calling cleanup workspace and reload a bunch of times, its still stuck, but no deadlock in the jstack, just seems to hang now on these steps

@mohnishkodnani Could you provide the jstack?

For example. now i have 4 processes since the morning.

Could you show your log - Enable logging

@mohnishkodnani
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!SESSION 2022-09-28 09:31:08.008 -----------------------------------------------
eclipse.buildId=unknown
java.version=17.0.3
java.vendor=Azul Systems, Inc.
BootLoader constants: OS=macosx, ARCH=aarch64, WS=cocoa, NL=en_US
Command-line arguments:  -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:08.831
!MESSAGE class org.eclipse.jdt.ls.core.internal.JavaLanguageServerPlugin is started

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:08.907
!MESSAGE Main thread is waiting

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:08.924
!MESSAGE >> initialize

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:08.926
!MESSAGE Initializing Java Language Server 1.15.0.202208220804

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.009
!MESSAGE Default VM Install changed from  null to 1664382669005-/nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.024
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Non-Static Commands: [java.edit.organizeImports, java.project.refreshDiagnostics, java.project.import, java.navigate.openTypeHierarchy, java.project.removeFromSourcePath, java.project.listSourcePaths, java.project.resolveStackTraceLocation, java.project.getAll, java.project.isTestFile, java.project.getClasspaths, java.navigate.resolveTypeHierarchy, java.edit.stringFormatting, java.project.getSettings, java.project.updateSourceAttachment, java.project.resolveWorkspaceSymbol, java.project.upgradeGradle, java.project.resolveSourceAttachment, java.project.addToSourcePath]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Static Commands: [sts.java.addClasspathListener, sts.java.removeClasspathListener]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Non-Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Non-Static Commands: [sts.java.javadoc]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.025
!MESSAGE Static Commands: [sts.java.type]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.026
!MESSAGE Non-Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.026
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.027
!MESSAGE Non-Static Commands: [sts.java.javadocHoverLink]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.027
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.027
!MESSAGE Non-Static Commands: [sts.java.location]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Static Commands: [sts.java.search.packages, sts.java.search.types]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Non-Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Static Commands: [sts.java.hierarchy.supertypes, sts.java.hierarchy.subtypes]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Non-Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.028
!MESSAGE Non-Static Commands: [sts.java.code.completions]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.029
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.029
!MESSAGE Non-Static Commands: [vscode.java.checkProjectSettings, vscode.java.isOnClasspath, vscode.java.fetchUsageData, vscode.java.validateLaunchConfig, vscode.java.resolveInlineVariables, vscode.java.resolveClassFilters, vscode.java.resolveMainMethod, vscode.java.resolveClasspath, vscode.java.resolveBuildFiles, vscode.java.resolveMainClass, vscode.java.updateDebugSettings, vscode.java.resolveSourceUri, vscode.java.fetchPlatformSettings, vscode.java.buildWorkspace, vscode.java.startDebugSession, vscode.java.inferLaunchCommandLength, vscode.java.resolveElementAtSelection, vscode.java.resolveJavaExecutable]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.029
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.029
!MESSAGE Non-Static Commands: [java.project.refreshLib, java.project.list, java.project.generateJar, java.project.getMainClasses, java.getPackageData, java.resolvePath]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.029
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.030
!MESSAGE Non-Static Commands: [vscode.java.test.findJavaProjects, vscode.java.test.findTestPackagesAndTypes, vscode.java.test.findTestTypesAndMethods, vscode.java.test.resolvePath, vscode.java.test.findTestLocation, vscode.java.test.get.testpath, vscode.java.test.findDirectTestChildrenForClass, vscode.java.test.navigateToTestOrTarget, vscode.java.test.junit.argument, vscode.java.test.generateTests]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.030
!MESSAGE Static Commands: []

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.030
!MESSAGE Non-Static Commands: [java.maven.initializeSearcher, java.maven.searchArtifact, java.maven.addDependency, java.maven.controlContext]

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.034
!MESSAGE Wait for AutoBuildOffJob start

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.047
!MESSAGE Wait for AutoBuildOffJob end 13ms

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.048
!MESSAGE Starting org.eclipse.m2e.core

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.048
!MESSAGE Started org.eclipse.m2e.core 1ms

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.048
!MESSAGE ProjectRegistryRefreshJob finished 0ms

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.049
!MESSAGE Starting org.eclipse.buildship.core

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.071
!MESSAGE Started org.eclipse.buildship.core 21ms

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.071
!MESSAGE LoadingGradleVersionJob finished 0ms

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.080
!MESSAGE Creating the Java project jdt.ls-java-project

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.088
!MESSAGE >> initialized

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.126
!MESSAGE Finished creating the Java project jdt.ls-java-project

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:09.565
!MESSAGE Importing Maven project(s)

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:14.203
!MESSAGE Parent process stopped running, forcing server exit

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:14.204
!MESSAGE Shutdown received... waking up main thread

!ENTRY org.eclipse.jdt.ls.core 1 0 2022-09-28 09:31:14.207
!MESSAGE class org.eclipse.jdt.ls.core.internal.JavaLanguageServerPlugin is stopping:

@mohnishkodnani
Copy link
Author

jstack of one of the jdt processes on the system.

❯ jstack 45813
2022-09-28 09:35:32
Full thread dump OpenJDK 64-Bit Server VM (17.0.3+7-LTS mixed mode, sharing):

Threads class SMR info:
_java_thread_list=0x000000010b00e2d0, length=27, elements={
0x0000000125008800, 0x0000000116033400, 0x0000000116035c00, 0x000000010a808200,
0x0000000116033a00, 0x0000000116036800, 0x000000010affea00, 0x0000000116035000,
0x0000000117029400, 0x000000012580e000, 0x0000000117020c00, 0x000000012501b000,
0x0000000116cd0800, 0x0000000115811e00, 0x0000000125015800, 0x0000000125022800,
0x000000011621fe00, 0x0000000125a2b800, 0x0000000116139200, 0x000000011619b000,
0x0000000125071400, 0x00000001251f7c00, 0x0000000117177a00, 0x000000014702c000,
0x0000000165912000, 0x0000000125076c00, 0x0000000166809800
}

"main" #1 prio=5 os_prio=31 cpu=417.30ms elapsed=264.70s tid=0x0000000125008800 nid=0x2703 in Object.wait()  [0x000000016b34d000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x000000040534a998> (a java.lang.Object)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.jdt.ls.core.internal.LanguageServer.start(LanguageServer.java:33)
	- locked <0x000000040534a998> (a java.lang.Object)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0([email protected]/Native Method)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke([email protected]/NativeMethodAccessorImpl.java:77)
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke([email protected]/DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke([email protected]/Method.java:568)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1440)

"Reference Handler" #2 daemon prio=10 os_prio=31 cpu=0.43ms elapsed=264.69s tid=0x0000000116033400 nid=0x3c03 waiting on condition  [0x000000017c1a2000]
   java.lang.Thread.State: RUNNABLE
	at java.lang.ref.Reference.waitForReferencePendingList([email protected]/Native Method)
	at java.lang.ref.Reference.processPendingReferences([email protected]/Reference.java:253)
	at java.lang.ref.Reference$ReferenceHandler.run([email protected]/Reference.java:215)

"Finalizer" #3 daemon prio=8 os_prio=31 cpu=0.08ms elapsed=264.69s tid=0x0000000116035c00 nid=0x4003 in Object.wait()  [0x000000017c3ae000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x000000040541b138> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:155)
	- locked <0x000000040541b138> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:176)
	at java.lang.ref.Finalizer$FinalizerThread.run([email protected]/Finalizer.java:172)

"Signal Dispatcher" #4 daemon prio=9 os_prio=31 cpu=0.23ms elapsed=264.69s tid=0x000000010a808200 nid=0x5903 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Service Thread" #5 daemon prio=9 os_prio=31 cpu=0.48ms elapsed=264.68s tid=0x0000000116033a00 nid=0x5a03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Monitor Deflation Thread" #6 daemon prio=9 os_prio=31 cpu=4.51ms elapsed=264.68s tid=0x0000000116036800 nid=0xa403 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" #7 daemon prio=9 os_prio=31 cpu=2533.51ms elapsed=264.68s tid=0x000000010affea00 nid=0xa303 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"C1 CompilerThread0" #10 daemon prio=9 os_prio=31 cpu=854.93ms elapsed=264.68s tid=0x0000000116035000 nid=0xa103 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   No compile task

"Sweeper thread" #11 daemon prio=9 os_prio=31 cpu=18.59ms elapsed=264.68s tid=0x0000000117029400 nid=0x5d03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Common-Cleaner" #12 daemon prio=8 os_prio=31 cpu=0.76ms elapsed=264.68s tid=0x000000012580e000 nid=0x9f03 in Object.wait()  [0x000000017d31a000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000004054ebaf8> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove([email protected]/ReferenceQueue.java:155)
	- locked <0x00000004054ebaf8> (a java.lang.ref.ReferenceQueue$Lock)
	at jdk.internal.ref.CleanerImpl.run([email protected]/CleanerImpl.java:140)
	at java.lang.Thread.run([email protected]/Thread.java:833)
	at jdk.internal.misc.InnocuousThread.run([email protected]/InnocuousThread.java:162)

"Notification Thread" #13 daemon prio=9 os_prio=31 cpu=0.05ms elapsed=264.62s tid=0x0000000117020c00 nid=0x9c03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Active Thread: Equinox Container: 3e0250b4-1621-4fbf-bd08-781a5fa0db35" #15 prio=5 os_prio=31 cpu=46.02ms elapsed=264.36s tid=0x000000012501b000 nid=0x9603 waiting on condition  [0x000000017dd56000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
	- parking to wait for  <0x00000004053b2dd0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos([email protected]/AbstractQueuedSynchronizer.java:1672)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:1182)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:899)
	at java.util.concurrent.ThreadPoolExecutor.getTask([email protected]/ThreadPoolExecutor.java:1062)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1122)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Refresh Thread: Equinox Container: 3e0250b4-1621-4fbf-bd08-781a5fa0db35" #17 daemon prio=5 os_prio=31 cpu=10.71ms elapsed=264.29s tid=0x0000000116cd0800 nid=0x9403 in Object.wait()  [0x000000017df62000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000004053b30b0> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x00000004053b30b0> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Framework Event Dispatcher: Equinox Container: 3e0250b4-1621-4fbf-bd08-781a5fa0db35" #18 daemon prio=5 os_prio=31 cpu=0.74ms elapsed=264.28s tid=0x0000000115811e00 nid=0x6003 in Object.wait()  [0x000000017e16e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000405553e60> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x0000000405553e60> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Start Level: Equinox Container: 3e0250b4-1621-4fbf-bd08-781a5fa0db35" #19 daemon prio=5 os_prio=31 cpu=517.76ms elapsed=264.27s tid=0x0000000125015800 nid=0x9203 in Object.wait()  [0x000000017e37a000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000004055bc340> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x00000004055bc340> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"SCR Component Actor" #20 daemon prio=5 os_prio=31 cpu=0.33ms elapsed=264.27s tid=0x0000000125022800 nid=0x9003 in Object.wait()  [0x000000017e586000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000405624990> (a java.util.LinkedList)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:83)
	- locked <0x0000000405624990> (a java.util.LinkedList)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Bundle File Closer" #22 daemon prio=5 os_prio=31 cpu=3.01ms elapsed=264.13s tid=0x000000011621fe00 nid=0x8e03 in Object.wait()  [0x000000017e99e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000004053b34e8> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
	- locked <0x00000004053b34e8> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)

"Worker-JM" #23 prio=5 os_prio=31 cpu=0.08ms elapsed=264.06s tid=0x0000000125a2b800 nid=0x8d03 in Object.wait()  [0x000000017ebaa000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x00000004053b37e0> (a java.util.ArrayList)
	at org.eclipse.core.internal.jobs.InternalWorker.run(InternalWorker.java:61)
	- locked <0x00000004053b37e0> (a java.util.ArrayList)

"Worker-1: Initialize Workspace" #25 prio=5 os_prio=31 cpu=659.87ms elapsed=264.00s tid=0x0000000116139200 nid=0x8a03 waiting for monitor entry  [0x000000017efc1000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x0000000405554160> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.loadCoreExtensions(PlexusContainerManager.java:299)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.newPlexusContainer(PlexusContainerManager.java:198)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:165)
	- locked <0x00000004054ebf10> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.getComponentLookup(PlexusContainerManager.java:190)
	at org.eclipse.m2e.core.embedder.MavenModelManager.readMavenModel(MavenModelManager.java:120)
	at org.eclipse.m2e.core.project.LocalProjectScanner.readMavenProjectInfo(LocalProjectScanner.java:126)
	at org.eclipse.m2e.core.project.LocalProjectScanner.scanFolder(LocalProjectScanner.java:95)
	at org.eclipse.m2e.core.project.LocalProjectScanner.run(LocalProjectScanner.java:66)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjects(MavenProjectImporter.java:302)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.collectMavenProjectInfo(MavenProjectImporter.java:148)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjectInfo(MavenProjectImporter.java:141)
	- locked <0x0000000405554740> (a org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.importToWorkspace(MavenProjectImporter.java:164)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.importProjects(ProjectsManager.java:149)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.initializeProjects(ProjectsManager.java:111)
	at org.eclipse.jdt.ls.core.internal.handlers.InitHandler$1.runInWorkspace(InitHandler.java:244)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:43)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Java indexing" #26 daemon prio=4 os_prio=31 cpu=2443.06ms elapsed=263.81s tid=0x000000011619b000 nid=0x6e03 in Object.wait()  [0x00000002b061e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <0x0000000405625368> (a org.eclipse.jdt.internal.core.search.indexing.IndexManager)
	at java.lang.Object.wait([email protected]/Object.java:338)
	at org.eclipse.jdt.internal.core.search.processing.JobManager.run(JobManager.java:452)
	- locked <0x0000000405625368> (a org.eclipse.jdt.internal.core.search.indexing.IndexManager)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"pool-2-thread-1" #27 prio=5 os_prio=31 cpu=11.70ms elapsed=263.72s tid=0x0000000125071400 nid=0x7d03 waiting on condition  [0x00000002b082a000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
	- parking to wait for  <0x00000004054ebcb0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos([email protected]/AbstractQueuedSynchronizer.java:1672)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:1182)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take([email protected]/ScheduledThreadPoolExecutor.java:899)
	at java.util.concurrent.ThreadPoolExecutor.getTask([email protected]/ThreadPoolExecutor.java:1062)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1122)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"pool-1-thread-1" #29 prio=5 os_prio=31 cpu=1061.02ms elapsed=263.67s tid=0x00000001251f7c00 nid=0x7b03 waiting on condition  [0x00000002b0a35000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
	at java.lang.Thread.sleep([email protected]/Native Method)
	at org.eclipse.jdt.ls.core.internal.JobHelpers.waitForJobs(JobHelpers.java:198)
	at org.eclipse.jdt.ls.core.internal.JobHelpers.waitForInitializeJobs(JobHelpers.java:177)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.initialized(JDTLanguageServer.java:261)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0([email protected]/Native Method)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke([email protected]/NativeMethodAccessorImpl.java:77)
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke([email protected]/DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke([email protected]/Method.java:568)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.lambda$null$0(GenericEndpoint.java:65)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint$$Lambda$172/0x0000000800ec5ad0.apply(Unknown Source)
	at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.notify(GenericEndpoint.java:152)
	at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.handleNotification(RemoteEndpoint.java:220)
	at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.consume(RemoteEndpoint.java:187)
	at org.eclipse.jdt.ls.core.internal.ParentProcessWatcher.lambda$0(ParentProcessWatcher.java:130)
	at org.eclipse.jdt.ls.core.internal.ParentProcessWatcher$$Lambda$166/0x0000000800ebec60.consume(Unknown Source)
	at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:194)
	at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:94)
	at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:113)
	at java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
	at java.util.concurrent.FutureTask.run([email protected]/FutureTask.java:264)
	at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
	at java.lang.Thread.run([email protected]/Thread.java:833)

"Worker-2: Repository registry initialization" #35 prio=5 os_prio=31 cpu=12.95ms elapsed=263.62s tid=0x0000000117177a00 nid=0x7507 waiting for monitor entry  [0x00000002b0c42000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:145)
	- waiting to lock <0x00000004054ebf10> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getPlexusContainer(MavenImpl.java:978)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.lookup(MavenImpl.java:1029)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:327)
	- locked <0x0000000405554160> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistry.updateRegistry(RepositoryRegistry.java:229)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistryUpdateJob.run(RepositoryRegistryUpdateJob.java:50)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Worker-3: Updating Maven Dependencies" #36 prio=5 os_prio=31 cpu=32.36ms elapsed=263.56s tid=0x000000014702c000 nid=0x7307 waiting for monitor entry  [0x00000002b0e4e000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x0000000405554160> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.newExecutionRequest(MavenExecutionContext.java:142)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:232)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:205)
	at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryRefreshJob.run(ProjectRegistryRefreshJob.java:104)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

"Worker-5" #38 prio=5 os_prio=31 cpu=1.46ms elapsed=261.96s tid=0x0000000165912000 nid=0x9e07 in Object.wait()  [0x000000017d526000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <no object reference available>
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000405624f48> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Worker-6" #39 prio=5 os_prio=31 cpu=1.24ms elapsed=261.96s tid=0x0000000125076c00 nid=0x15303 in Object.wait()  [0x00000002baa06000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait([email protected]/Native Method)
	- waiting on <no object reference available>
	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
	- locked <0x0000000405624f48> (a org.eclipse.core.internal.jobs.WorkerPool)
	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

"Attach Listener" #40 daemon prio=9 os_prio=31 cpu=0.75ms elapsed=0.10s tid=0x0000000166809800 nid=0x6507 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"VM Thread" os_prio=31 cpu=13.04ms elapsed=264.69s tid=0x0000000105608cb0 nid=0x4303 runnable  

"GC Thread#0" os_prio=31 cpu=70.61ms elapsed=264.70s tid=0x0000000114e0a820 nid=0x3003 runnable  

"GC Thread#1" os_prio=31 cpu=65.78ms elapsed=263.82s tid=0x000000010b335780 nid=0x6603 runnable  

"GC Thread#2" os_prio=31 cpu=65.66ms elapsed=263.82s tid=0x000000010b3360c0 nid=0x8703 runnable  

"GC Thread#3" os_prio=31 cpu=69.06ms elapsed=263.82s tid=0x000000010b336a00 nid=0x8503 runnable  

"GC Thread#4" os_prio=31 cpu=68.90ms elapsed=263.82s tid=0x0000000124efd490 nid=0x6803 runnable  

"GC Thread#5" os_prio=31 cpu=69.15ms elapsed=263.82s tid=0x0000000124efdc70 nid=0x8403 runnable  

"GC Thread#6" os_prio=31 cpu=69.07ms elapsed=263.82s tid=0x0000000124efe5b0 nid=0x8303 runnable  

"GC Thread#7" os_prio=31 cpu=68.84ms elapsed=263.82s tid=0x0000000124efeef0 nid=0x6b03 runnable  

"GC Thread#8" os_prio=31 cpu=68.77ms elapsed=263.82s tid=0x0000000124eff830 nid=0x8103 runnable  

"G1 Main Marker" os_prio=31 cpu=0.24ms elapsed=264.70s tid=0x0000000114e0b6e0 nid=0x3203 runnable  

"G1 Conc#0" os_prio=31 cpu=39.51ms elapsed=264.70s tid=0x0000000105104420 nid=0x3303 runnable  

"G1 Conc#1" os_prio=31 cpu=38.45ms elapsed=263.82s tid=0x0000000124eae940 nid=0x6d03 runnable  

"G1 Refine#0" os_prio=31 cpu=22.60ms elapsed=264.69s tid=0x0000000105524db0 nid=0x3403 runnable  

"G1 Refine#1" os_prio=31 cpu=12.20ms elapsed=263.31s tid=0x000000010b545000 nid=0x7207 runnable  

"G1 Refine#2" os_prio=31 cpu=19.40ms elapsed=263.31s tid=0x00000001055efc00 nid=0x7403 runnable  

"G1 Refine#3" os_prio=31 cpu=21.21ms elapsed=263.31s tid=0x0000000105674740 nid=0xac03 runnable  

"G1 Refine#4" os_prio=31 cpu=22.63ms elapsed=263.31s tid=0x000000010b00a3c0 nid=0xae03 runnable  

"G1 Refine#5" os_prio=31 cpu=17.86ms elapsed=263.31s tid=0x000000010b108cc0 nid=0xb103 runnable  

"G1 Refine#6" os_prio=31 cpu=18.54ms elapsed=260.55s tid=0x0000000105693d40 nid=0x15103 runnable  

"G1 Refine#7" os_prio=31 cpu=18.28ms elapsed=260.55s tid=0x0000000115125c50 nid=0x15003 runnable  

"G1 Refine#8" os_prio=31 cpu=20.59ms elapsed=260.55s tid=0x00000001151253d0 nid=0xb803 runnable  

"G1 Service" os_prio=31 cpu=47.83ms elapsed=264.69s tid=0x0000000114f04500 nid=0x3503 runnable  

"VM Periodic Task Thread" os_prio=31 cpu=87.68ms elapsed=264.62s tid=0x0000000124f1b810 nid=0x9a03 waiting on condition  

JNI global refs: 11, weak refs: 0


Found one Java-level deadlock:
=============================
"Worker-1: Initialize Workspace":
  waiting to lock monitor 0x000000010b277fa0 (object 0x0000000405554160, a org.eclipse.m2e.core.internal.embedder.MavenImpl),
  which is held by "Worker-2: Repository registry initialization"

"Worker-2: Repository registry initialization":
  waiting to lock monitor 0x0000000115104080 (object 0x00000004054ebf10, a java.util.HashMap),
  which is held by "Worker-1: Initialize Workspace"

Java stack information for the threads listed above:
===================================================
"Worker-1: Initialize Workspace":
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:302)
	- waiting to lock <0x0000000405554160> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.createExecutionRequest(MavenExecutionContext.java:168)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.loadCoreExtensions(PlexusContainerManager.java:299)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.newPlexusContainer(PlexusContainerManager.java:198)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:165)
	- locked <0x00000004054ebf10> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.getComponentLookup(PlexusContainerManager.java:190)
	at org.eclipse.m2e.core.embedder.MavenModelManager.readMavenModel(MavenModelManager.java:120)
	at org.eclipse.m2e.core.project.LocalProjectScanner.readMavenProjectInfo(LocalProjectScanner.java:126)
	at org.eclipse.m2e.core.project.LocalProjectScanner.scanFolder(LocalProjectScanner.java:95)
	at org.eclipse.m2e.core.project.LocalProjectScanner.run(LocalProjectScanner.java:66)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjects(MavenProjectImporter.java:302)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.collectMavenProjectInfo(MavenProjectImporter.java:148)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.getMavenProjectInfo(MavenProjectImporter.java:141)
	- locked <0x0000000405554740> (a org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter)
	at org.eclipse.jdt.ls.core.internal.managers.MavenProjectImporter.importToWorkspace(MavenProjectImporter.java:164)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.importProjects(ProjectsManager.java:149)
	at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.initializeProjects(ProjectsManager.java:111)
	at org.eclipse.jdt.ls.core.internal.handlers.InitHandler$1.runInWorkspace(InitHandler.java:244)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:43)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
"Worker-2: Repository registry initialization":
	at org.eclipse.m2e.core.internal.embedder.PlexusContainerManager.aquire(PlexusContainerManager.java:145)
	- waiting to lock <0x00000004054ebf10> (a java.util.HashMap)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getPlexusContainer(MavenImpl.java:978)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.lookup(MavenImpl.java:1029)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:327)
	- locked <0x0000000405554160> (a org.eclipse.m2e.core.internal.embedder.MavenImpl)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.getSettings(MavenImpl.java:296)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistry.updateRegistry(RepositoryRegistry.java:229)
	at org.eclipse.m2e.core.internal.repository.RepositoryRegistryUpdateJob.run(RepositoryRegistryUpdateJob.java:50)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Found 1 deadlock.

@mohnishkodnani
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Version of java language server : v1.10.2022082204

@mohnishkodnani
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It seems like everytime i do Clean java language server workspace new jdt processes are created and the old processes do not exit.

@mohnishkodnani
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Params: {
    "processId": 46476,
    "clientInfo": {
        "name": "VSCodium",
        "version": "1.71.0"
    },
    "locale": "en-us",
    "rootPath": "/Users/mkodnani/work/repos/service",
    "rootUri": "file:///Users/mkodnani/work/repos/service",
    "capabilities": {
        "workspace": {
            "applyEdit": true,
            "workspaceEdit": {
                "documentChanges": true,
                "resourceOperations": [
                    "create",
                    "rename",
                    "delete"
                ],
                "failureHandling": "textOnlyTransactional",
                "normalizesLineEndings": true,
                "changeAnnotationSupport": {
                    "groupsOnLabel": true
                }
            },
            "didChangeConfiguration": {
                "dynamicRegistration": true
            },
            "didChangeWatchedFiles": {
                "dynamicRegistration": true
            },
            "symbol": {
                "dynamicRegistration": true,
                "symbolKind": {
                    "valueSet": [
                        1,
                        2,
                        3,
                        4,
                        5,
                        6,
                        7,
                        8,
                        9,
                        10,
                        11,
                        12,
                        13,
                        14,
                        15,
                        16,
                        17,
                        18,
                        19,
                        20,
                        21,
                        22,
                        23,
                        24,
                        25,
                        26
                    ]
                },
                "tagSupport": {
                    "valueSet": [
                        1
                    ]
                }
            },
            "codeLens": {
                "refreshSupport": true
            },
            "executeCommand": {
                "dynamicRegistration": true
            },
            "configuration": true,
            "workspaceFolders": true,
            "semanticTokens": {
                "refreshSupport": true
            },
            "fileOperations": {
                "dynamicRegistration": true,
                "didCreate": true,
                "didRename": true,
                "didDelete": true,
                "willCreate": true,
                "willRename": true,
                "willDelete": true
            }
        },
        "textDocument": {
            "publishDiagnostics": {
                "relatedInformation": true,
                "versionSupport": false,
                "tagSupport": {
                    "valueSet": [
                        1,
                        2
                    ]
                },
                "codeDescriptionSupport": true,
                "dataSupport": true
            },
            "synchronization": {
                "dynamicRegistration": true,
                "willSave": true,
                "willSaveWaitUntil": true,
                "didSave": true
            },
            "completion": {
                "dynamicRegistration": true,
                "contextSupport": true,
                "completionItem": {
                    "snippetSupport": true,
                    "commitCharactersSupport": true,
                    "documentationFormat": [
                        "markdown",
                        "plaintext"
                    ],
                    "deprecatedSupport": true,
                    "preselectSupport": true,
                    "tagSupport": {
                        "valueSet": [
                            1
                        ]
                    },
                    "insertReplaceSupport": true,
                    "resolveSupport": {
                        "properties": [
                            "documentation",
                            "detail",
                            "additionalTextEdits"
                        ]
                    },
                    "insertTextModeSupport": {
                        "valueSet": [
                            1,
                            2
                        ]
                    },
                    "labelDetailsSupport": true
                },
                "insertTextMode": 2,
                "completionItemKind": {
                    "valueSet": [
                        1,
                        2,
                        3,
                        4,
                        5,
                        6,
                        7,
                        8,
                        9,
                        10,
                        11,
                        12,
                        13,
                        14,
                        15,
                        16,
                        17,
                        18,
                        19,
                        20,
                        21,
                        22,
                        23,
                        24,
                        25
                    ]
                }
            },
            "hover": {
                "dynamicRegistration": true,
                "contentFormat": [
                    "markdown",
                    "plaintext"
                ]
            },
            "signatureHelp": {
                "dynamicRegistration": true,
                "signatureInformation": {
                    "documentationFormat": [
                        "markdown",
                        "plaintext"
                    ],
                    "parameterInformation": {
                        "labelOffsetSupport": true
                    },
                    "activeParameterSupport": true
                },
                "contextSupport": true
            },
            "definition": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "references": {
                "dynamicRegistration": true
            },
            "documentHighlight": {
                "dynamicRegistration": true
            },
            "documentSymbol": {
                "dynamicRegistration": true,
                "symbolKind": {
                    "valueSet": [
                        1,
                        2,
                        3,
                        4,
                        5,
                        6,
                        7,
                        8,
                        9,
                        10,
                        11,
                        12,
                        13,
                        14,
                        15,
                        16,
                        17,
                        18,
                        19,
                        20,
                        21,
                        22,
                        23,
                        24,
                        25,
                        26
                    ]
                },
                "hierarchicalDocumentSymbolSupport": true,
                "tagSupport": {
                    "valueSet": [
                        1
                    ]
                },
                "labelSupport": true
            },
            "codeAction": {
                "dynamicRegistration": true,
                "isPreferredSupport": true,
                "disabledSupport": true,
                "dataSupport": true,
                "resolveSupport": {
                    "properties": [
                        "edit"
                    ]
                },
                "codeActionLiteralSupport": {
                    "codeActionKind": {
                        "valueSet": [
                            "",
                            "quickfix",
                            "refactor",
                            "refactor.extract",
                            "refactor.inline",
                            "refactor.rewrite",
                            "source",
                            "source.organizeImports"
                        ]
                    }
                },
                "honorsChangeAnnotations": false
            },
            "codeLens": {
                "dynamicRegistration": true
            },
            "formatting": {
                "dynamicRegistration": true
            },
            "rangeFormatting": {
                "dynamicRegistration": true
            },
            "onTypeFormatting": {
                "dynamicRegistration": true
            },
            "rename": {
                "dynamicRegistration": true,
                "prepareSupport": true,
                "prepareSupportDefaultBehavior": 1,
                "honorsChangeAnnotations": true
            },
            "documentLink": {
                "dynamicRegistration": true,
                "tooltipSupport": true
            },
            "typeDefinition": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "implementation": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "colorProvider": {
                "dynamicRegistration": true
            },
            "foldingRange": {
                "dynamicRegistration": true,
                "rangeLimit": 5000,
                "lineFoldingOnly": true
            },
            "declaration": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "selectionRange": {
                "dynamicRegistration": true
            },
            "callHierarchy": {
                "dynamicRegistration": true
            },
            "semanticTokens": {
                "dynamicRegistration": true,
                "tokenTypes": [
                    "namespace",
                    "type",
                    "class",
                    "enum",
                    "interface",
                    "struct",
                    "typeParameter",
                    "parameter",
                    "variable",
                    "property",
                    "enumMember",
                    "event",
                    "function",
                    "method",
                    "macro",
                    "keyword",
                    "modifier",
                    "comment",
                    "string",
                    "number",
                    "regexp",
                    "operator"
                ],
                "tokenModifiers": [
                    "declaration",
                    "definition",
                    "readonly",
                    "static",
                    "deprecated",
                    "abstract",
                    "async",
                    "modification",
                    "documentation",
                    "defaultLibrary"
                ],
                "formats": [
                    "relative"
                ],
                "requests": {
                    "range": true,
                    "full": {
                        "delta": true
                    }
                },
                "multilineTokenSupport": false,
                "overlappingTokenSupport": false
            },
            "linkedEditingRange": {
                "dynamicRegistration": true
            }
        },
        "window": {
            "showMessage": {
                "messageActionItem": {
                    "additionalPropertiesSupport": true
                }
            },
            "showDocument": {
                "support": true
            },
            "workDoneProgress": true
        },
        "general": {
            "staleRequestSupport": {
                "cancel": true,
                "retryOnContentModified": [
                    "textDocument/semanticTokens/full",
                    "textDocument/semanticTokens/range",
                    "textDocument/semanticTokens/full/delta"
                ]
            },
            "regularExpressions": {
                "engine": "ECMAScript",
                "version": "ES2020"
            },
            "markdown": {
                "parser": "marked",
                "version": "1.1.0"
            }
        }
    },
    "initializationOptions": {
        "bundles": [
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/pivotal.vscode-spring-boot/jars/io.projectreactor.reactor-core.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/pivotal.vscode-spring-boot/jars/org.reactivestreams.reactive-streams.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/pivotal.vscode-spring-boot/jars/jdt-ls-commons.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/pivotal.vscode-spring-boot/jars/jdt-ls-extension.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-debug/server/com.microsoft.java.debug.plugin-0.39.0.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-dependency/server/com.microsoft.jdtls.ext.core-0.21.0.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-test/server/com.microsoft.java.test.plugin-0.36.0.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-test/server/org.eclipse.jdt.junit4.runtime_1.2.0.v20210326-1251.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-test/server/org.eclipse.jdt.junit5.runtime_1.0.1300.v20210320-1132.jar",
            "/nix/store/d69cznp1310cqjq9sjmkkmzv40rlf6f3-vscode-extensions/share/vscode/extensions/vscjava.vscode-java-test/server/org.junit.jupiter.api_5.7.1.v20210222-1948.jar",
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                        "notCoveredPluginExecutionSeverity": "warning"
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            "shouldLanguageServerExitOnShutdown": true,
            "onCompletionItemSelectedCommand": "editor.action.triggerParameterHints"
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}


WARNING: Using incubator modules: jdk.incubator.vector, jdk.incubator.foreign
[Trace - 9:38:20 AM] Received response 'initialize - (0)' in 1205ms.
Result: {
    "capabilities": {
        "textDocumentSync": {
            "openClose": true,
            "change": 2,
            "willSave": true,
            "willSaveWaitUntil": true,
            "save": {
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        "executeCommandProvider": {
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            ]
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        "callHierarchyProvider": true,
        "semanticTokensProvider": {
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            "range": false,
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            "documentSelector": [
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                    "scheme": "file"
                },
                {
                    "language": "java",
                    "scheme": "jdt"
                }
            ]
        }
    }
}


[Trace - 9:38:20 AM] Sending notification 'initialized'.
Params: {}


[Trace - 9:38:20 AM] Sending notification 'workspace/didChangeConfiguration'.
Params: {
    "settings": {
        "java": {
            "home": "/nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home",
            "jdt": {
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                    "lombokSupport": {
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            "configuration": {
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                "updateBuildConfiguration": "interactive",
                "maven": {
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                    "notCoveredPluginExecutionSeverity": "warning"
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                "workspaceCacheLimit": 90,
                "runtimes": []
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                "packagePresentation": "flat"
            },
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    }
}


[Trace - 9:38:21 AM] Received notification 'language/status'.
Params: {
    "type": "Starting",
    "message": "31% Starting Java Language Server - Refreshing '/jdt.ls-java-project'."
}


[Trace - 9:38:21 AM] Received notification 'language/progressReport'.
Params: {
    "id": "7b7eab62-ca5d-46fc-a3f6-90e6ac573753",
    "task": "Initialize Workspace",
    "subTask": "Refreshing '/jdt.ls-java-project'.",
    "status": "31% Refreshing '/jdt.ls-java-project'.",
    "totalWork": 1000,
    "workDone": 307,
    "complete": false
}


[Trace - 9:38:21 AM] Received notification 'language/progressReport'.
Params: {
    "id": "ccc89f34-6785-41b8-9dbf-cd8dcd61d8cf",
    "task": "Refreshing Maven model",
    "status": "",
    "totalWork": -1,
    "workDone": 0,
    "complete": false
}

@mohnishkodnani
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@snjeza let me know if there is more information i can provide, this happened in the morning and i took the logs as best as I could.

@snjeza snjeza self-assigned this Sep 28, 2022
@snjeza
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snjeza commented Sep 28, 2022

For example. now i have 4 processes since the morning.

 ❯ ps -ef | rg jdt
  503 18321     1   0  5:31PM ??         0:33.40 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
  503 21811     1   0  9:17AM ??         0:39.60 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -XX:+UseG1GC -Xmx12G -Xms8G -javaagent:/nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java/lombok/lombok-1.18.24.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/y107ds1m5fd5l12x5r31sk7ih91wrpi0-vscode-extension-redhat-java-1.11.2022091404/share/vscode/extensions/redhat.java/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2022082204/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
  503 23048     1   0  9:37AM ??         3:01.53 /nix/store/fj686syzhhmis0k7xianyn7kcxxrf5la-jdk17-17.0.3.1/zulu-17.jdk/Contents/Home/bin/java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -Dfile.encoding=utf8 -Xlog:jni+resolve=off -XX:+UseG1GC -Xmx12G -Xms8G -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java -jar /nix/store/xccx11bl4yjyci5g5rgij5j8bbn9h4ma-vscode-extensions/share/vscode/extensions/redhat.java-1.10.2/server/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar -configuration /Users/mkodnani/Library/Application Support/VSCodium/User/globalStorage/redhat.java/1.10.2/config_mac -data /Users/mkodnani/Library/Application Support/VSCodium/User/workspaceStorage/78777f6853df02b69112124bd4904516/redhat.java/jdt_ws
 ...

@mohnishkodnani
VS Code hasn't created these processes.
Is there a system service on your Mac?

@mohnishkodnani
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@snjeza this is vscode created..

  1. I close visual studio.
  2. Run ps -ef | rg jdt
  3. Run killall java
  4. Run ps -ef | rg jdt
  5. Confirm no more java processes.
  6. Start visual studio
  7. As soon as the importing java projects window comes up these java processes come up. I am not sure why you say they are not visual studio created.
    I use nix package manager on my mac to install JDK, hence you might see the path is weird, however, these are visual studio created and the settings for -Xms and -Xmx are what i have in my settings.json.
    "java.jdt.ls.vmargs": "-Dsun.zip.disableMemoryMapping=true -Xmx16G -Xms8G"
  8. There are always 2 processes that start for the very first time after all these steps. one for jdt_ws and the other ss_ws

@mohnishkodnani
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Looks like a lock between worker that updates maven dependencies and the worker that initializes the workspace.


0x0000000401006cd8MavenImplDeadlocked | Held by Worker-0: Updating Maven Dependencieswaiting to acquire [ 0x0000000401004fe0 ] , holding [ 0x0000000401006cd8 ]3 thread(s) waiting to take lock Worker-1: Repository registry initialization Worker-2: Initialize Workspace Worker-2: Initialize Workspace
-- | --
0x0000000401004fe0HashMapDeadlocked | Held by Worker-2: Initialize Workspacewaiting to acquire [ 0x0000000401006cd8 ] , holding [ 0x0000000401004fe0 0x00000004038ed418 ]2 thread(s) waiting to take lock Worker-0: Updating Maven Dependencies Worker-0: Updating Maven Dependencies

0x0000000401006cd8
MavenImpl
Deadlocked	
Held by
 [Worker-0: Updating Maven Dependencies](https://jstack.review/#tda_1_thread_generated-id-3)waiting to acquire [ [0x0000000401004fe0](https://jstack.review/#tda_1_sync_0x0000000401004fe0) ] , holding [ [0x0000000401006cd8](https://jstack.review/#tda_1_sync_0x0000000401006cd8) ]
3 thread(s) waiting to take lock
 [Worker-1: Repository registry initialization](https://jstack.review/#tda_1_thread_0x000000012c21e800)
 [Worker-2: Initialize Workspace](https://jstack.review/#tda_1_thread_0x000000012c23ac00)
 [Worker-2: Initialize Workspace](https://jstack.review/#tda_1_thread_generated-id-4)
0x0000000401004fe0
HashMap
Deadlocked	
Held by
 [Worker-2: Initialize Workspace](https://jstack.review/#tda_1_thread_generated-id-4)waiting to acquire [ [0x0000000401006cd8](https://jstack.review/#tda_1_sync_0x0000000401006cd8) ] , holding [ [0x0000000401004fe0](https://jstack.review/#tda_1_sync_0x0000000401004fe0) [0x00000004038ed418](https://jstack.review/#tda_1_sync_0x00000004038ed418) ]
2 thread(s) waiting to take lock
 [Worker-0: Updating Maven Dependencies](https://jstack.review/#tda_1_thread_0x000000012e0b1800)
 [Worker-0: Updating Maven Dependencies](https://jstack.review/#tda_1_thread_generated-id-3)

@snjeza
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snjeza commented Sep 28, 2022

I am not sure why you say they are not visual studio created.

Their parent process is 1. It is the system process.

Looks like a lock between worker that updates maven dependencies and the worker that initializes the workspace.

Could you try https://github.com/snjeza/vscode-test/raw/master/java-1.10.4.vsix ?

There are always 2 processes that start for the very first time after all these steps. one for jdt_ws and the other ss_ws

It is ok.
ss_ws should disappear when your project is imported.
Both processes should disappear when you close VS Code.

@snjeza snjeza mentioned this issue Sep 29, 2022
Merged
@rgrunber rgrunber added this to the End October milestone Sep 30, 2022
@rgrunber rgrunber added the bug label Sep 30, 2022
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Deadlock when using JDK17 with maven java project snjeza/eclipse.jdt.ls
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@snjeza @rgrunber @mohnishkodnani