The following test failed in the JDK16 CI:

applications/runthese/RunThese30M.java

Here's a snippet from the log file:

[stress.process.err] Iteration start: NMT at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Jck at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Jcmd at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Jstat at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Compiler at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Monitor at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Jfr at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Perfmon at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: ThreadDumper at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: Jvmti at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration done: Compiler at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration start: MBean at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration done: MBean at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] Iteration done: ThreadDumper at Fri Oct 09 08:21:23 UTC 2020
[stress.process.err] --------------------------------------------------------------------------------
[stress.process.err] JfrStressModule got uncaught exception in execute at Fri Oct 09 08:21:25 UTC 2020 (1602231685284)
[stress.process.err] java.lang.IllegalStateException: Shutdown in progress
[stress.process.err] at java.base/java.lang.ApplicationShutdownHooks.add(ApplicationShutdownHooks.java:66)
[stress.process.err] at java.base/java.lang.Runtime.addShutdownHook(Runtime.java:215)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.SecuritySupport.lambda$registerShutdownHook$9(SecuritySupport.java:344)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.SecuritySupport$2.run(SecuritySupport.java:234)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.SecuritySupport$2.run(SecuritySupport.java:231)
[stress.process.err] at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
[stress.process.err] at java.base/java.security.AccessController.doPrivileged(AccessController.java:449)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.SecuritySupport.doPrivileged(SecuritySupport.java:231)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.SecuritySupport.registerShutdownHook(SecuritySupport.java:344)
[stress.process.err] at jdk.jfr/jdk.jfr.internal.PlatformRecorder.<init>(PlatformRecorder.java:92)
[stress.process.err] at jdk.jfr/jdk.jfr.FlightRecorder.getFlightRecorder(FlightRecorder.java:180)
[stress.process.err] at jdk.jfr/jdk.jfr.Recording.<init>(Recording.java:114)
[stress.process.err] at jdk.jfr/jdk.jfr.Recording.<init>(Recording.java:138)
[stress.process.err] at jdk.jfr/jdk.jfr.consumer.RecordingStream.<init>(RecordingStream.java:85)
[stress.process.err] at applications.kitchensink.process.stress.modules.JfrStressModule.execute(JfrStressModule.java:233)
[stress.process.err] at applications.kitchensink.process.stress.modules.StressModule.run(StressModule.java:81)
[stress.process.err] --------------------------------------------------------------------------------
Got an exception, so I'll kill the stress process process
[Fri Oct 09 08:21:52 UTC 2020] Unexpected errors during GlueModule initialization: Stress process finished unexpectedly with exit code 75
java.lang.RuntimeException: Stress process finished unexpectedly with exit code 75
at applications.kitchensink.process.glue.Main.waitUntilStressProcessReady(Main.java:426)
at applications.kitchensink.process.glue.Main.execute(Main.java:334)
at applications.kitchensink.process.glue.Main.main(Main.java:191)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Stress process finished unexpectedly with exit code 75
JavaTest Message: shutting down test