IBM Support

IV43237: EXCESSIVE OUTPUT IN JAVACORE CLASSES SECTION

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    The classes section in a javacore dump from the IBM SDK contains
    excessive output. An opening square bracket, indicating an array
    class, is repeated many times:
    1CLTEXTCLLOD    ClassLoader loaded classes
    2CLTEXTCLLOAD    Loader *System*(0x00007F2078CF0340)
    3CLTEXTCLASS
    <OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB
    ><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OS
    B><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><O
    SB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><
    OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB>
    <OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB><OSB> etc etc etc
    

Local fix

  • Problem is transient, workaround is to obtain another javacore.
    

Problem summary

  • The problem is caused by in-flight data in the class data
    structures in the JVM when the the javacore was taken.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR5
    6.0.1 SR6
    .
    The JVM code that produces the javacore has been updated to
    prevent the excessive output from occurring.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV43237

  • 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

    2013-05-28

  • Closed date

    2013-05-28

  • Last modified date

    2013-05-28

  • 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



Document information

More support for: Runtimes for Java Technology
Virtual Machine

Software version: 260

Reference #: IV43237

Modified date: 28 May 2013