The following test failed in the JDK21 CI:

jdk/jfr/tool/TestView.java

Here's a snippet from the log file:

jdk.GCHeapSummary {
  startTime = 20:30:47.024 (2023-05-31)
  gcId = 8
  when = "Before GC"
  heapSpace = {
    start = 0x7D0000000
    committedEnd = 0x7D0C00000
    committedSize = 12.0 MB
    reservedEnd = 0x800000000
    reservedSize = 768.0 MB
  }
  heapUsed = 5.4 MB
}


jdk.GCHeapSummary {
  startTime = 20:30:47.029 (2023-05-31)
  gcId = 8
  when = "After GC"
  heapSpace = {
    start = 0x7D0000000
    committedEnd = 0x7E0600000
    committedSize = 262.0 MB
    reservedEnd = 0x800000000
    reservedSize = 768.0 MB
  }
  heapUsed = 5.9 MB
}


jdk.GarbageCollection {
  startTime = 20:30:47.024 (2023-05-31)
  duration = 4.16 ms
  gcId = 8
  name = "G1New"
  cause = "G1 Evacuation Pause"
  sumOfPauses = 4.16 ms
  longestPause = 4.16 ms
  eventThread = "VM Thread" (osThreadId = 20739)
}


Timeout refired 480 times
[2023-05-31T20:39:24.975384Z] Waiting for completion for process 28611
[2023-05-31T20:39:24.975466Z] Waiting for completion finished for process 28611
Output and diagnostic info for process 28611 was saved into 'pid-28611-output.log'
[2023-05-31T20:39:24.976199Z] Waiting for completion for process 28611
[2023-05-31T20:39:24.976245Z] Waiting for completion finished for process 28611
Command returned with exit code 134
---------------- stdout ----------------
28590:

---------------- stderr ----------------

----------------------------------------

[2023-05-31T20:39:24.976420Z] Waiting for completion for process 28611
[2023-05-31T20:39:24.976469Z] Waiting for completion finished for process 28611
[2023-05-31T20:39:24.976516Z] Waiting for completion for process 28611
[2023-05-31T20:39:24.976555Z] Waiting for completion finished for process 28611
[2023-05-31T20:39:24.981880Z] Waiting for completion for process 28611
[2023-05-31T20:39:24.981956Z] Waiting for completion finished for process 28611
----------System.err:(20/1039)----------
 stdout: [28590:
];
 stderr: []
 exitValue = 134

java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [134]
at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:490)
at jdk.jfr.jcmd.JcmdHelper.jcmd(JcmdHelper.java:110)
at jdk.jfr.jcmd.JcmdHelper.jcmd(JcmdHelper.java:115)
at jdk.jfr.jcmd.TestJcmdView.testFormView(TestJcmdView.java:111)
at jdk.jfr.jcmd.TestJcmdView.main(TestJcmdView.java:92)
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$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1583)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [134]
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [134]
----------rerun:(40/7578)*----------