IBM Support

IV21500: BIGINTEGER RETURNS WRONG HASH CODE IN MULTI-THREAD ENVIRONMENT

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APAR status

  • Closed as program error.

Error description

  • Error Message: BigInteger returns wrong hash code in
    multi-thread environment
    .
    Stack Trace:
    .
    

Local fix

Problem summary

  • BigInteger will update the hash code field many times during the
    calculating.In multi-thread environment, when a thread is
    calculating BigInteger's hash code and system switch to other
    threads, the hash code is not the final result and is wrong.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR1
    WRT-V3 SR1
    .
    Use a local variable during the calculating
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV21500

  • Reported component name

    WRT JCL

  • Reported component ID

    5724R0401

  • Reported release

    300

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-05-20

  • Closed date

    2012-05-20

  • Last modified date

    2012-05-20

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

    IV20325

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

Fix information

  • Fixed component name

    WRT JCL

  • Fixed component ID

    5724R0401

Applicable component levels

  • R300 PSN

       UP

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Document Information

Modified date:
20 May 2012