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ConcurrentModificationException Happened while high load and draining #821

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sangreal opened this issue Aug 22, 2024 · 1 comment
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ConcurrentModificationException Happened while high load and draining #821

sangreal opened this issue Aug 22, 2024 · 1 comment

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@sangreal
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Version. 0.5.3.0

2024-08-21 23:41:51:714 +0000 [pool-7-thread-1] ERROR io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor - Execution or timeout exception while waiting for the control thread to close cleanly (state was DRAINING). Try increasing your time-out to allow the system to drain, or close without draining.
java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
        at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:205)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.waitForClose(AbstractParallelEoSStreamProcessor.java:615)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.close(AbstractParallelEoSStreamProcessor.java:589)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.close(AbstractParallelEoSStreamProcessor.java:574)
        at io.confluent.parallelconsumer.vertx.VertxParallelEoSStreamProcessor.close(VertxParallelEoSStreamProcessor.java:321)
        at com.coupang.counect.clients.channels.kafka.KafkaInboundChannel$getParallelDispatcherHandler$1.close(KafkaInboundChannel.kt:204)
        at com.coupang.counect.clients.channels.kafka.KafkaInboundChannel.close(KafkaInboundChannel.kt:242)
        at com.coupang.counect.clients.consumer.CounectConsumer.tryFixChannels(CounectConsumer.kt:90)
        at com.coupang.counect.clients.consumer.CounectConsumer._init_$lambda-0(CounectConsumer.kt:63)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
        at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
        at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:205)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.closeAndWait(BrokerPollSystem.java:277)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.doClose(AbstractParallelEoSStreamProcessor.java:685)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.lambda$supervisorLoop$9(AbstractParallelEoSStreamProcessor.java:810)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        ... 3 more
Caused by: java.util.ConcurrentModificationException
        at java.base/java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1486)
        at java.base/java.util.TreeMap$KeyIterator.next(TreeMap.java:1540)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfFailedWorkReadyToBeRetried(ShardManager.java:318)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfWorkQueuedInShardsAwaitingSelection(ShardManager.java:142)
        at io.confluent.parallelconsumer.state.WorkManager.getNumberOfWorkQueuedInShardsAwaitingSelection(WorkManager.java:255)
        at io.confluent.parallelconsumer.state.WorkManager.isSufficientlyLoaded(WorkManager.java:235)
        at io.confluent.parallelconsumer.state.WorkManager.shouldThrottle(WorkManager.java:227)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.shouldThrottle(BrokerPollSystem.java:329)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.managePauseOfSubscription(BrokerPollSystem.java:304)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.checkStateForPausingSubscriptions(BrokerPollSystem.java:217)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.pollBrokerForRecords(BrokerPollSystem.java:196)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.handlePoll(BrokerPollSystem.java:160)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.controlLoop(BrokerPollSystem.java:136)
        ... 4 more

2024-08-21 23:40:56:862 +0000 [pc-broker-poll] ERROR io.confluent.parallelconsumer.internal.BrokerPollSystem - Unknown error
java.util.ConcurrentModificationException
        at java.base/java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1486)
        at java.base/java.util.TreeMap$KeyIterator.next(TreeMap.java:1540)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfFailedWorkReadyToBeRetried(ShardManager.java:318)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfWorkQueuedInShardsAwaitingSelection(ShardManager.java:142)
        at io.confluent.parallelconsumer.state.WorkManager.getNumberOfWorkQueuedInShardsAwaitingSelection(WorkManager.java:255)
        at io.confluent.parallelconsumer.state.WorkManager.isSufficientlyLoaded(WorkManager.java:235)
        at io.confluent.parallelconsumer.state.WorkManager.shouldThrottle(WorkManager.java:227)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.shouldThrottle(BrokerPollSystem.java:329)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.managePauseOfSubscription(BrokerPollSystem.java:304)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.checkStateForPausingSubscriptions(BrokerPollSystem.java:217)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.pollBrokerForRecords(BrokerPollSystem.java:196)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.handlePoll(BrokerPollSystem.java:160)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.controlLoop(BrokerPollSystem.java:136)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
2024-08-21 23:40:56:899 +0000 [pc-control] ERROR io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor - Error from poll control thread, will attempt controlled shutdown, then rethrow. Error: Error in BrokerPollSystem system.
io.confluent.parallelconsumer.internal.InternalRuntimeException: Error in BrokerPollSystem system.
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.supervise(BrokerPollSystem.java:117)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.controlLoop(AbstractParallelEoSStreamProcessor.java:865)
        at io.confluent.parallelconsumer.internal.AbstractParallelEoSStreamProcessor.lambda$supervisorLoop$9(AbstractParallelEoSStreamProcessor.java:799)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
        at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.supervise(BrokerPollSystem.java:115)
        ... 6 more
Caused by: java.util.ConcurrentModificationException
        at java.base/java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1486)
        at java.base/java.util.TreeMap$KeyIterator.next(TreeMap.java:1540)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfFailedWorkReadyToBeRetried(ShardManager.java:318)
        at io.confluent.parallelconsumer.state.ShardManager.getNumberOfWorkQueuedInShardsAwaitingSelection(ShardManager.java:142)
        at io.confluent.parallelconsumer.state.WorkManager.getNumberOfWorkQueuedInShardsAwaitingSelection(WorkManager.java:255)
        at io.confluent.parallelconsumer.state.WorkManager.isSufficientlyLoaded(WorkManager.java:235)
        at io.confluent.parallelconsumer.state.WorkManager.shouldThrottle(WorkManager.java:227)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.shouldThrottle(BrokerPollSystem.java:329)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.managePauseOfSubscription(BrokerPollSystem.java:304)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.checkStateForPausingSubscriptions(BrokerPollSystem.java:217)
        at io.confluent.parallelconsumer.internal.BrokerPollSystem.pollBrokerForRecords(BrokerPollSystem.java:196)
@sangreal
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I will draft a pr for this issue

@sangreal sangreal mentioned this issue Aug 22, 2024
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@sangreal @rkolesnev