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IV38614: JNI CHECK PEDANTIC CLAIMS A REFERENCE IS INVALID

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: JVMJNCK038E JNI error in
    CallObjectMethod/CallObjectMethodV: Argument #2
    (0x000000011153C788) is not a valid object reference. It's type
    is: unknown
    JVMJNCK080E Error detected in the outermost frame of an attached
    thread
    JVMJNCK024E JNI error detected. Aborting.
    JVMJNCK025I Use -Xcheck:jni:nonfatal to continue running when
    errors are detected.
    Fatal error: JNI error
    .
    Stack Trace: N/A
    .
    The issue only occurs when pushing and popping local frames,
    this is specifically an issue with JNI Check Pedantic and does
    not cause the application to behave incorrectly.
    

Local fix

  • Do not use pedantic mode for JNI Check
    

Problem summary

  • The problem is caused by JNI Check pedantic not walking all the
    frames in a stack when checking a local reference is valid after
    PushLocalFrame()/PopLocalFrame() have been used.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR5
    6.0.1 SR6
    6.0.0 SR14
    .
    The JVM has been updated to walk all the frames of a stack when
    checking for a valid local reference in JNI Check Pedantic mode
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV38614

  • 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

    2013-03-25

  • Closed date

    2013-03-25

  • Last modified date

    2013-03-25

  • 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

  • R600 PSY

       UP

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Document Information

Modified date:
21 February 2022