IV12616: JNI APPLICATION USING SIGNALS HANDLERS CRASHES IBM LINUX JVM AFTER APPLYING IZ86774

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: A JNI application using its own signal
    handlers crashes IBM Linux JVM as below
    "main" J9VMThread:0x00007F2938032800,
    j9thread_t:0x00007F29380078F0,
    java/lang/Thread:0x00007F29306132F8, state:R, prio=5 (native
    thread ID:0x12D0, native priority:0x5, native
    policy:UNKNOWN)
    
    (native stack address range
    from:0x00007F293C702000,to:0x00007F293D103000, size:0xA01000)
    Native callstack:
    (0x00007F2937ECBF12 <OSB>libj9prt26.so+0x11f12<CSB>)
    (0x00007F2937ED934F <OSB>libj9prt26.so+0x1f34f<CSB>)
    (0x00007F2937ECBC5B <OSB>libj9prt26.so+0x11c5b<CSB>)
    (0x00007F2937ECBD57 <OSB>libj9prt26.so+0x11d57<CSB>)
    .....
    .
    Stack Trace: N/A
    .
    

Local fix

  • Use JVM command line option -Xrs to disable IBM JVM signal
    handling
    

Problem summary

  • IBM Linux JVM application is not able to register its native
    signal handler through JNI on top of the JVM's signal handler,
    instead it is being chained to JVM handler via libjsig.so. The
    application would experiance a crash in this scenario.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IV12616

  • Reported component name

    JAVA CLASS LIBS

  • Reported component ID

    620700130

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-01-04

  • Closed date

    2012-02-08

  • Last modified date

    2012-04-29

  • 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

    JAVA CLASS LIBS

  • Fixed component ID

    620700130

Applicable component levels

  • R600 PSY

       UP

  • R700 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
Java Class Libraries

Software version:

6.0

Reference #:

IV12616

Modified date:

2012-04-29

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