IZ80951: JIT-COMPILED METHOD SHOWS INCORRECT BEHAVIOUR ON Z/LINUX

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: A Java method that casts a long value into a byte
    and then stores the byte into a byte array, when it is
    JIT-compiled, can sometimes store an incorrect value into the
    array.
    This problem affects both Java 5 and Java 6, but only on z/OS or
    z/Linux.
    .
    Stack Trace: N/A
    .
    

Local fix

  • This is no workaround for this issue except to disable the
    compilation of the affected method with the -Xjit:exclude={...}
    option.
    

Problem summary

  • The problem is caused by a bug in the z/Architecture code
    generator of the JIT compiler.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.0 SR8
    5.0.0 SR12
    .
    The JIT compiler has been updated to correct the issue.
    .
    To obtain the fix:
    Install build 20100227 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ80951

  • Reported component name

    JAVA 5 JIT

  • Reported component ID

    620500124

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-07-26

  • Closed date

    2010-07-26

  • Last modified date

    2010-07-26

  • APAR is sysrouted FROM one or more of the following:

    IZ80950

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    JAVA 5 JIT

  • Fixed component ID

    620500124

Applicable component levels

  • R500 PSN

       UP



Rate this page:

(0 users)Average rating

Add comments

Document information


More support for:

Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version:

5.0

Reference #:

IZ80951

Modified date:

2010-07-26

Translate my page

Machine Translation

Content navigation