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  1. JDK
  2. JDK-8269418

jdk/jfr/event/oldobject/TestObjectSize.java failed with "RuntimeException: No events: expected false, was true"

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 18
    • Fix Version/s: 18
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      jfr
    • Resolved In Build:
      b14
    • CPU:
      x86_64
    • OS:
      os_x_10.15

      Description

      The following test failed in the JDK18 CI:

      jdk/jfr/event/oldobject/TestObjectSize.java

      Here's a snippet from the log file:

      #section:main
      ----------messages:(5/350)----------
      command: main -XX:TLABSize=2k jdk.jfr.event.oldobject.TestObjectSize
      reason: User specified action: run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestObjectSize
      Mode: othervm [/othervm specified]
      Additional options from @modules: --add-modules jdk.jfr --add-exports jdk.jfr/jdk.jfr.internal.test=ALL-UNNAMED
      elapsed time (seconds): 6.086
      ----------configuration:(4/115)----------
      Boot Layer
        add modules: jdk.jfr
        add exports: jdk.jfr/jdk.jfr.internal.test ALL-UNNAMED

      ----------System.out:(0/0)----------
      ----------System.err:(19/1185)----------
      type = [B, objectSize = 360
      type = java.util.ArrayList$Itr, objectSize = 32
      type = java.util.concurrent.CopyOnWriteArrayList$COWIterator, objectSize = 24
      java.lang.RuntimeException: No events: expected false, was true
      at jdk.test.lib.Asserts.fail(Asserts.java:594)
      at jdk.test.lib.Asserts.assertFalse(Asserts.java:461)
      at jdk.test.lib.jfr.Events.hasEvents(Events.java:161)
      at jdk.jfr.event.oldobject.TestObjectSize.main(TestObjectSize.java:94)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
      at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.base/java.lang.reflect.Method.invoke(Method.java:568)
      at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
      at java.base/java.lang.Thread.run(Thread.java:833)

      JavaTest Message: Test threw exception: java.lang.RuntimeException: No events: expected false, was true
      JavaTest Message: shutting down test

      STATUS:Failed.`main' threw exception: java.lang.RuntimeException: No events: expected false, was true
      ----------rerun:(42/8256)*----------

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              Assignee:
              mgronlun Markus Grönlund
              Reporter:
              dcubed Daniel Daugherty
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                Dates

                Created:
                Updated:
                Resolved: