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IV63994: ASSERTION FAILURE OR SEGMENTATION FAULT OCCURS INTERMITTENTLY DURING J9HEAP ALLOCATION

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: ** ASSERTION FAILED ** at common/j9heap.c:186:
    ((chunkSize!=0))ORAn unhandled error (4) has
    occurred.J9Generic_Signal_Number=00000004Signal_Number=0000000b.
    .......
    .
    Stack Trace:
    j9heap_allocate()iterateHeapsAndSubAllocate()allocate_memory32()
    j9mem_allocate_memory32()
    .
    

Local fix

Problem summary

  • Incorrect updation of j9heap related metadata under certain
    conditions resulting in either assertion failures or
    segmentation faults.
    

Problem conclusion

  • j9heap related metadata is updated appropriately within the heap
    utility methods.
    .
    This APAR will be fixed in the following Java Releases:
       6    SR16 FP2  (6.0.16.2)
       7 R1 SR2       (7.1.2.0)
       6 R1 SR8 FP2   (6.1.8.2)
       7    SR8       (7.0.8.0)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, Java maintenance is available
    from:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV63994

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-08-26

  • Closed date

    2014-08-26

  • Last modified date

    2017-07-11

  • 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

  • R600 PSY

       UP

  • R270 PSY

       UP

  • R260 PSY

       UP

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Document Information

Modified date:
11 July 2017