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  1. JDK
  2. JDK-8261859

gc/g1/TestStringDeduplicationTableRehash.java failed with "RuntimeException: 'Rehash Count: 0' found in stdout"

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    • Subcomponent:
      gc
    • Resolved In Build:
      b13

      Description

      The following test failed in the JDK17 CI:

      gc/g1/TestStringDeduplicationTableRehash.java

      Here's a snippet from the log file:

      [1.499s][debug][gc,stringdedup] Table
      [1.499s][debug][gc,stringdedup] Memory Usage: 543.7K
      [1.499s][debug][gc,stringdedup] Size: 8192, Min: 1024, Max: 16777216
      [1.499s][debug][gc,stringdedup] Entries: 15351, Load: 187.4%, Cached: 0, Added: 15357, Removed: 6
      [1.499s][debug][gc,stringdedup] Resize Count: 3, Shrink Threshold: 5461(66.7%), Grow Threshold: 16384(200.0%)
      [1.499s][debug][gc,stringdedup] Rehash Count: 0, Rehash Threshold: 120, Hash Seed: 0
      [1.499s][debug][gc,stringdedup] Age Threshold: 3

      <snip>



      java.lang.RuntimeException: 'Rehash Count: 0' found in stdout

      at jdk.test.lib.process.OutputAnalyzer.shouldNotContain(OutputAnalyzer.java:252)
      at gc.g1.TestStringDeduplicationTools.testTableRehash(TestStringDeduplicationTools.java:379)
      at gc.g1.TestStringDeduplicationTableRehash.main(TestStringDeduplicationTableRehash.java:41)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
      at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.base/java.lang.reflect.Method.invoke(Method.java:566)
      at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
      at java.base/java.lang.Thread.run(Thread.java:831)

      JavaTest Message: Test threw exception: java.lang.RuntimeException

      I'm starting this off in hotspot/gc for initial triage simply
      because this is a G1 test.

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              Assignee:
              kbarrett Kim Barrett
              Reporter:
              dcubed Daniel Daugherty
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                Updated:
                Resolved: