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  1. JDK
  2. JDK-8368367

Test jdk/jfr/event/gc/detailed/TestGCHeapMemoryUsageEvent.java fails jdk.GCHeapMemoryUsage "expected 0 > 0"

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P4 P4
    • 26
    • 25, 26
    • hotspot
    • gc
    • b17
    • x86_64
    • linux

        Test jdk/jfr/event/gc/detailed/TestGCHeapMemoryUsageEvent.java fails jdk.GCHeapMemoryUsage "expected 0 > 0" with fastdebug build.

        The test log snippet:

        STDOUT:
         [jdk.GCHeapMemoryUsage {
           startTime = 11:06:27.440 (2025-09-23)
           used = 0 bytes
           committed = 272.0 MB
           max = 30.0 GB
         }
         
         , jdk.GCHeapMemoryUsage {
           startTime = 11:06:27.734 (2025-09-23)
           used = 3.2 MB
           committed = 64.0 MB
           max = 30.0 GB
         }
         
         ]
         Error: Value not above 0, field='used', value='0': expected 0 > 0
         Failed event:
         jdk.GCHeapMemoryUsage {
           startTime = 11:06:27.440 (2025-09-23)
           used = 0 bytes
           committed = 272.0 MB
           max = 30.0 GB
         }
         
         
         STDERR:
         java.lang.RuntimeException: Value not above 0, field='used', value='0': expected 0 > 0
          at jdk.test.lib.Asserts.fail(Asserts.java:715)
          at jdk.test.lib.Asserts.assertGreaterThan(Asserts.java:403)
          at jdk.test.lib.jfr.EventField.lambda$above$0(EventField.java:62)
          at jdk.test.lib.jfr.EventField.doAssert(EventField.java:114)
          at jdk.test.lib.jfr.EventField.above(EventField.java:62)
          at jdk.jfr.event.gc.detailed.TestGCHeapMemoryUsageEvent.main(TestGCHeapMemoryUsageEvent.java:53)

              tschatzl Thomas Schatzl
              syan Sendao Yan
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                Created:
                Updated:
                Resolved: