jdk8 linux x86-64: jdk/jfr/jcmd/TestJcmdDumpPathToGCRoots.java got Expected chains but found none

[sophia-guo]

jdk8 linux x86-64: jdk/jfr/jcmd/TestJcmdDumpPathToGCRoots.java got Expected chains but found none

https://ci.adoptopenjdk.net/job/Test_openjdk8_hs_extended.openjdk_x86-64_linux_testList_1/17/testReport/jdk_jfr_jcmd_TestJcmdDumpPathToGCRoots/java/TestJcmdDumpPathToGCRoots/

Standard Error
java.lang.Exception: Expected chains but found none
	at jdk.jfr.jcmd.TestJcmdDumpPathToGCRoots.testDump(TestJcmdDumpPathToGCRoots.java:105)
	at jdk.jfr.jcmd.TestJcmdDumpPathToGCRoots.main(TestJcmdDumpPathToGCRoots.java:66)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
	at java.lang.Thread.run(Thread.java:748)

[smlambert]

Looks like a dup of #2766, reopen if not.