IV29704: DTFJ API INCORRECTLY REPORTS CLASSLOADER HEAP ROOTS AS STRONGLY REACHABLE.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: When accessing a system dump (core file) via the
    DTFJ API the com.ibm.dtfj.java.JavaReference objects for class
    loader references returned by the
    com.ibm.dtfj.java.JavaRuntime.getHeapRoots() method are always
    be marked as being strongly reachable which is incorrect.
    .
    Stack Trace: N/A
    .
    

Local fix

Problem summary

  • The class loader references were always being added as strongly
    reachable.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR3
    6.0.1 SR4
    .
    The DTFJ API has been updated to return
    com.ibm.dtfj.java.JavaReference objects that return the correct
    value from their getReachability() method.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV29704

  • 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

    2012-10-08

  • Closed date

    2012-10-08

  • Last modified date

    2012-10-23

  • 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



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

260

Reference #:

IV29704

Modified date:

2012-10-23

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