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  1. JDK
  2. JDK-6446243

JMap: sun.jvm.hotspot.utilities.AssertionFailure: can not get class data dump heap

    Details

    • Subcomponent:
    • Resolved In Build:
      b96
    • CPU:
      generic
    • OS:
      generic
    • Verification:
      Verified

      Description

      The following test:

      heapdump/JMapPermCore

      fails with exception:

      ...
      Dumping heap to heap.bin ...
      Exception in thread "main" java.lang.reflect.InvocationTargetException
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
              at java.lang.reflect.Method.invoke(Method.java:589)
              at sun.tools.jmap.JMap.runTool(JMap.java:177)
              at sun.tools.jmap.JMap.main(JMap.java:109)
      Caused by: sun.jvm.hotspot.utilities.AssertionFailure: can not get class data for 0xf7229258
              at sun.jvm.hotspot.utilities.Assert.that(Assert.java:15)
              at sun.jvm.hotspot.utilities.HeapHprofBinWriter.writeInstance(HeapHprofBinWriter.java:706)
              at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter$1.doObj(AbstractHeapGraphWriter.java:77)
              at sun.jvm.hotspot.oops.ObjectHeap.iterateLiveRegions(ObjectHeap.java:411)
              at sun.jvm.hotspot.oops.ObjectHeap.iterate(ObjectHeap.java:226)
              at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.write(AbstractHeapGraphWriter.java:34)
              at sun.jvm.hotspot.utilities.HeapHprofBinWriter.write(HeapHprofBinWriter.java:399)
              at sun.jvm.hotspot.tools.HeapDumper.run(HeapDumper.java:39)
              at sun.jvm.hotspot.tools.Tool.start(Tool.java:204)
              at sun.jvm.hotspot.tools.HeapDumper.main(HeapDumper.java:60)
              ... 6 more
      jmap exited with exit status 1
      TEST FAILED

      The test fills permanent generation with lots of interned strings, forces core dump and then tries to dump heap using "jmap -dump:format=b". See Comments for details on how to reproduce.

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            • Assignee:
              sundar Sundararajan Athijegannathan
              Reporter:
              nhaustov Nicolay Haustov (Inactive)
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                Updated:
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