The following test failed in the JDK22 CI:

gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java

Here's a snippet from the log file:

#section:main
----------messages:(11/456)----------
command: main gc.metaspace.CompressedClassSpaceSizeInJmapHeap
reason: User specified action: run main/timeout=240 gc.metaspace.CompressedClassSpaceSizeInJmapHeap
started: Sun Jun 25 05:39:45 GMT 2023
Mode: agentvm
Agent id: 19
Additional exports to unnamed modules from @modules: java.base/jdk.internal.misc
Timeout refired 960 times
Timeout information:
--- Timeout information end.
finished: Sun Jun 25 06:03:03 GMT 2023
elapsed time (seconds): 1397.27
----------configuration:(15/2038)----------

<snip>

----------System.out:(6/1606)----------
Could not confirm if TargetJDK is hardened. Assuming not hardened.
Command line: ['/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-22+3-168/macosx-x64-open.jdk/jdk-22.jdk/Contents/Home/bin/java' '-XX:MaxRAMPercentage=4.16667' '-Dtest.boot.jdk=/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk/20/36/bundles/macos-x64/jdk-20_macos-x64_bin.tar.gz/jdk-20.jdk/Contents/Home' '-Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/cd627e65-f015-4fb1-a1d2-b6c9b8127f98-S50821/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/67c4e1ed-fa3e-41be-98c4-cb385d64a2e6/runs/0666cc48-8a71-4598-bc17-8abda64afd52/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_gc/tmp' '-XX:CompressedClassSpaceSize=48m' '-cp' '/System/Volumes/Data/mesos/work_dir/slaves/cd627e65-f015-4fb1-a1d2-b6c9b8127f98-S50821/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/67c4e1ed-fa3e-41be-98c4-cb385d64a2e6/runs/0666cc48-8a71-4598-bc17-8abda64afd52/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_gc/classes/5/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.d:/System/Volumes/Data/mesos/work_dir/slaves/cd627e65-f015-4fb1-a1d2-b6c9b8127f98-S50821/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/67c4e1ed-fa3e-41be-98c4-cb385d64a2e6/runs/0666cc48-8a71-4598-bc17-8abda64afd52/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_gc/classes/5/test/lib' 'jdk.test.lib.apps.LingeredApp' '1f4b3cbd-b14f-4a73-ae88-630d2c6d6749.lck']
LingeredApp startup took 1198ms
Check for hs_err_pid/core/mdmp files:
None.
Adding 'sudo -E -n' to the command.
----------System.err:(11/679)----------
java.lang.Exception: jmap -heap exited with error code: 1
at gc.metaspace.CompressedClassSpaceSizeInJmapHeap.run(CompressedClassSpaceSizeInJmapHeap.java:84)
at gc.metaspace.CompressedClassSpaceSizeInJmapHeap.main(CompressedClassSpaceSizeInJmapHeap.java:70)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)

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

result: Error. Agent error: java.lang.Exception: Agent 19 timed out with a timeout of 960 seconds; check console log for any additional details