IV19714: CRASH USING REFLECTION AFTER CLASS REDEFINITION

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: After redefining classes using an instrumentation
    agent, a crash is observed attempting to invoke a method via
    reflection.
    .
    Stack Trace: 3XMTHREADINFO3           Java callstack:
    4XESTACKTRACE                at
    sun/reflect/NativeMethodAccessorImpl.invoke0(Native Method)
    4XESTACKTRACE                at
    sun/reflect/NativeMethodAccessorImpl.invoke(NativeMethodAccessor
    Impl.java:76)
    4XESTACKTRACE                at
    sun/reflect/DelegatingMethodAccessorImpl.invoke(DelegatingMethod
    AccessorImpl.java:43)
    4XESTACKTRACE                at
    java/lang/reflect/Method.invoke(Method.java:602)
    ...snip...
    .
    

Local fix

Problem summary

  • The JVM was using the obsolete class to perform an index
    calculation on the method (in the new class) being invoked.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.1 SR2
    7.0.0 SR1
    .
    The JVM has been updated to determine the index correctly.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV19714

  • 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

    2012-04-14

  • Closed date

    2012-04-14

  • Last modified date

    2012-04-14

  • 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 #:

IV19714

Modified date:

2012-04-14

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