IV34705: NULLPOINTEREXCEPTION IN STRINGCODING.ENCODE

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APAR status

  • Closed as program error.

Error description

  • Error Message: The error message observed in Jython under Java 7
    was:
        java.lang.ArrayIndexOutOfBoundsException:
    java.lang.ArrayIndexOutOfBoundsException
        Error in atexit._run_exitfuncs:
        Error in sys.exitfunc:
        Traceback (most recent call last):
         File
    "/jtctest/apps/ascii/jython/60files/jython-2_5_1/linux/Lib/atexi
    t.py", line 30, in _run_exitfuncs
           traceback.print_exc()
         File
    "/jtctest/apps/ascii/jython/60files/jython-2_5_1/linux/Lib/trace
    back.py", line 229, in print_exc
           etype = value = tb = None
           at
    org.python.core.ReflectedArgs.matches(ReflectedArgs.java:120)
        java.lang.ArrayIndexOutOfBoundsException:
    java.lang.ArrayIndexOutOfBoundsException
    .
    Stack Trace: N/A
    .
    N/A
    

Local fix

  • -Xjit:disableGlobalVP
        As with any option that disables an optimization, this can
    cause the jit compiler to generate slower code.
    

Problem summary

  • The jit compiler's Global Value Propagation optimization was
    made more aggressive in an attempt to improve the performance of
    the generated code, but the changes made were not correct in all
    cases.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR4
    6.0.1 SR5
    .
    The new Global Value Propagation logic was disabled, thereby
    restoring the jit compiler's older, correct behaviour.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV34705

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-14

  • Closed date

    2013-01-14

  • Last modified date

    2013-01-14

  • 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

    JIT

  • Fixed component ID

    620700124

Applicable component levels

  • R260 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version:

260

Reference #:

IV34705

Modified date:

2013-01-14

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