The following test failed in the JDK21 CI:

jdk/jfr/event/oldobject/TestArrayInformation.java

Here's a snippet from the log file:

#section:main
----------messages:(7/446)----------
command: main -XX:TLABSize=2k jdk.jfr.event.oldobject.TestArrayInformation
reason: User specified action: run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestArrayInformation
started: Thu Mar 23 18:41:32 UTC 2023
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules jdk.jfr --add-exports jdk.jfr/jdk.jfr.internal.test=ALL-UNNAMED
finished: Thu Mar 23 18:41:36 UTC 2023
elapsed time (seconds): 4.438
----------configuration:(4/119)----------
Boot Layer
  add modules: jdk.jfr
  add exports: jdk.jfr/jdk.jfr.internal.test ALL-UNNAMED

----------System.out:(10/214)----------
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
[Ljava.lang.Object;
java.lang.StringBuilder
----------System.err:(12/1001)----------
java.lang.Exception: Could not find event with class [Ljdk.jfr.event.oldobject.TestArrayInformation$ArrayLeak; as (leak) object
at jdk.jfr.event.oldobject.TestArrayInformation.verifyObjectArray(TestArrayInformation.java:109)
at jdk.jfr.event.oldobject.TestArrayInformation.main(TestArrayInformation.java:68)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: java.lang.Exception: Could not find event with class [Ljdk.jfr.event.oldobject.TestArrayInformation$ArrayLeak; as (leak) object
JavaTest Message: shutting down test