IV00017: USE OF THREAD.STOP() MAY CAUSE OBJECTS TO REMAIN LOCKED.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: An object may become locked by a thread that no
    longer exists causing other threads to hang by waiting for the
    object to become unlocked.
    .
    Stack Trace: N/A
    .
    This issue is only present if the deprecated method
    Thread.stop() is used.
    

Local fix

  • -Xjit:disableRedundantAsyncCheckRemoval
    

Problem summary

  • In JIT compiled code, there are certain code regions that were
    not capable of unlocking objects held by the thread destroyed by
    the Thread.stop() method.
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR13
    6.0.0 SR10
    6.0.1 SR1
    .
    The JVM was modified to prevent throwing the exception from
    async check points in the jit, and only throws from the method
    enter check.
    .
    To obtain the fix:
    Install build 20110502 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV00017

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-05-06

  • Closed date

    2011-05-10

  • Last modified date

    2011-05-10

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

    IV00015

  • 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

  • R600 PSY

       UP

  • R260 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

6.0

Reference #:

IV00017

Modified date:

2011-05-10

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