The following test failed in the JDK21 CI:

com/sun/jdi/ThreadMemoryLeakTest.java

This a new test in this build-ID that was added by the following fix:

JDK-8297638 Memory leak in case of many started-dead threads

Here's a snippet from the log file:

#section:main
----------messages:(7/317)----------
command: main -Xmx6m ThreadMemoryLeakTest
reason: User specified action: run main/othervm -Xmx6m ThreadMemoryLeakTest
started: Sat Mar 18 03:46:05 UTC 2023
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules jdk.jdi
finished: Sat Mar 18 03:46:07 UTC 2023
elapsed time (seconds): 2.711
----------configuration:(3/35)----------
Boot Layer
  add modules: jdk.jdi

----------System.out:(9/825)----------
vmOpts: '-Xmx768m -XX:MaxRAMPercentage=6.25 -Dtest.boot.jdk=/opt/mach5/mesos/work_dir/jib-master/install/jdk/19/36/bundles/linux-aarch64/jdk-19_linux-aarch64_bin.tar.gz/jdk-19 -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/91e16c40-06d4-468a-9fc3-7198a5bb7d5a-S123128/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/ca80614b-8e6a-4608-84c3-1f6af5e4ea14/runs/57741278-67c2-4d43-9a1d-25e76ff016e5/testoutput/test-support/jtreg_open_test_jdk_jdk_jdi/tmp -ea -esa'
javaOpts: '-XX:+CreateCoredumpOnCrash -XX:+UseZGC'
JVM version:21-ea
JDI version: 21.0
JVM description: Java Debug Interface (Reference Implementation) version 21.0
Java Debug Wire Protocol (Reference Implementation) version 21.0
JVM Debug Interface version 21.0
JVM version 21-ea (Java HotSpot(TM) 64-Bit Server VM, mixed mode, sharing)
Howdy!
----------System.err:(16/1003)----------
[2ms] run args: [ThreadMemoryLeakTarg]
java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.LinkedList.listIterator(LinkedList.java:872)
at java.base/java.util.AbstractList.listIterator(AbstractList.java:313)
at java.base/java.util.Collections$SynchronizedList.listIterator(Collections.java:2539)
at TestScaffold$EventHandler.run(TestScaffold.java:258)
at java.base/java.lang.Thread.runWith(Thread.java:1636)
at java.base/java.lang.Thread.run(Thread.java:1623)
java.lang.OutOfMemoryError: Java heap space
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:404)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:348)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:437)
at VMConnection.dumpStream(VMConnection.java:254)
at VMConnection$1.run(VMConnection.java:287)
STATUS:Failed.`main' threw exception: java.lang.OutOfMemoryError: Java heap space
STATUS:Failed.`main' threw exception: java.lang.OutOfMemoryError: Java heap space
----------rerun:(42/6007)*----------