The following test failed in the JDK15 CI:

jdk/jfr/api/consumer/streaming/TestCrossProcessStreaming.java

Here's a snippet from the log file:

----------System.out:(6/3113)----------
Command line: [/opt/mach5/mesos/work_dir/jib-master/install/jdk-15+16-678/linux-x64-open.jdk/jdk-15/bin/java -cp /opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/jdk/jfr/api/consumer/streaming/TestCrossProcessStreaming.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-15+16-678/src.full/open/test/jdk/jdk/jfr/api/consumer/streaming:/opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/test/lib:/opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/test/jdk:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.0/b01/bundles/jtreg_bin-5.0.zip/jtreg/lib/javatest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.0/b01/bundles/jtreg_bin-5.0.zip/jtreg/lib/jtreg.jar -XX:StartFlightRecording jdk.jfr.api.consumer.streaming.TestCrossProcessStreaming$EventProducer ]
[Event-Producer]:/opt/mach5/mesos/work_dir/jib-master/install/jdk-15+16-678/linux-x64-open.jdk/jdk-15/bin/java -cp /opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/jdk/jfr/api/consumer/streaming/TestCrossProcessStreaming.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-15+16-678/src.full/open/test/jdk/jdk/jfr/api/consumer/streaming:/opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/test/lib:/opt/mach5/mesos/work_dir/slaves/b0d836b1-c68c-4dbd-8b78-5085890ddd4c-S1328/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/b5a06b26-22dc-4125-ac5a-af16ad2ccc51/runs/3b3539fd-1069-427f-aa84-5dec7ed599c6/testoutput/test-support/jtreg_open_test_jdk_jdk_svc/classes/3/test/jdk:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.0/b01/bundles/jtreg_bin-5.0.zip/jtreg/lib/javatest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.0/b01/bundles/jtreg_bin-5.0.zip/jtreg/lib/jtreg.jar -XX:StartFlightRecording jdk.jfr.api.consumer.streaming.TestCrossProcessStreaming$EventProducer
Attach failed: Unable to open socket file /proc/996/root/tmp/.java_pid996: target process 996 doesn't respond within 10500ms or HotSpot VM not loaded
Retrying...
Attach failed: No such process
Retrying...
----------System.err:(13/876)----------
java.lang.RuntimeException: Process (pid = 996) is no longer alive, exit value = 131
at jdk.test.lib.jfr.StreamingUtils.getJfrRepository(StreamingUtils.java:48)
at jdk.jfr.api.consumer.streaming.TestCrossProcessStreaming.main(TestCrossProcessStreaming.java:86)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Process (pid = 996) is no longer alive, exit value = 131


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Process (pid = 996) is no longer alive, exit value = 131