IV29772: OUTOFMEMORYERROR THROWN BY ATTACH API DURING JVM SHUTDOWN

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: During JVM shutdown the Attach API thread throws
    an OutOfMemoryError.
    .
    Stack Trace: JVMDUMP013I Processed dump event "systhrow", detail
    "java/lang/OutOfMemoryError".
    Exception in thread "main" Exception in thread "Attach API wait
    loop" java.lang.OutOfMemoryError: Java heap space
     at
    tests.com.ibm.jtc.exception.ExceptionCreator.tSysthrow(Exception
    Creator.java:106)
     at
    tests.com.ibm.jtc.exception.ExceptionCreator.main(ExceptionCreat
    or.java:39)
     at
    com.ibm.tools.attach.javaSE.CommonDirectory.waitSemaphore(Common
    Directory.java:195)
     at
    com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.waitForNotifi
    cation(AttachHandler.java:327)
     at
    com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.run(AttachHan
    dler.java:405)
    .
    This occurs only during shutdown.
    

Local fix

Problem summary

  • Under low memory conditions, heap allocations in the shutdown
    code could trigger an OutOfMemoryError.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR3
    6.0.1 SR4
    6.0.0 SR12
    .
    The Attach API code has been modified to avoid memory
    allocations during shutdown and suppress irrelevant
    OutOfMemoryErrors.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV29772

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-09

  • Closed date

    2012-10-09

  • Last modified date

    2012-10-09

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R260 PSY

       UP

  • R600 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

260

Reference #:

IV29772

Modified date:

2012-10-09

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