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IZ07301: XAER_NOTA ON XA END, IF CALLING ROUTINE WHICH PERFORMS COMMIT ON RETURN

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APAR status

  • Closed as program error.

Error description

  • This issue affect the DB2 Universal (JCC) JDBC driver. If a
    routine is called within an XA unit of work, and that routine
    performs a commit on return, that commit is outside the XA
    transaction but the result is that the unit of work is closed on
    the server side. Once an xa end is flowed to end the unit of
    work, an XAER_NOTA (not a valid transaction) message will be
    flowed back to the requestor.
    
    In future, we will flow RDBCMTOK=False (RDB Commit OK = false)
    at the start of the conversation, which will cause us to ignore
    the commit reply returned by the server outside of the
    transaction.
    

Local fix

  • Do not code stored procedures to commit on return.
    

Problem summary

  • ERROR DESCRIPTION:
    This issue affect the DB2 Universal (JCC) JDBC driver. If a
    routine is called within an XA unit of work, and that routine
    performs a commit on return, that commit is outside the XA
    transaction but the result is that the unit of work is closed on
    the server side. Once an xa end is flowed to end the unit of
    work, an XAER_NOTA (not a valid transaction) message will be
    flowed back to the requestor.
    
    In future, we will flow RDBCMTOK=False (RDB Commit OK = false)
    at the start of the conversation, which will cause us to ignore
    the commit reply returned by the server outside of the
    transaction.
    

Problem conclusion

  • Fixed in DB2 version 8 Fixpak 16.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ07301

  • Reported component name

    DB2 CUE SOLARIS

  • Reported component ID

    5724B6202

  • Reported release

    820

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2007-10-25

  • Closed date

    2009-02-25

  • Last modified date

    2009-02-25

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

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

    IZ44623 IZ44627

Fix information

  • Fixed component name

    DB2 CUE SOLARIS

  • Fixed component ID

    5724B6202

Applicable component levels

  • R820 PSY

       UP

  • R910 PSY

       UP

  • R950 PSY

       UP

  • R810 PSN

       UP

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Document Information

Modified date:
25 February 2009