IBM Support

IT40927: FILE DESCRIPTOR LEAK WHEN REPEATEDLY OPEN/CLOSING CURSOR FOR PREPARED SYSONLINELOG QUERY

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APAR status

  • Closed as program error.

Error description

  • Walking sysonlinelog SMI view on server message log (or probably
    also sysbaract_log), or simply 'polling' the table for new
    content, using a cursor that would be reopened over and over,
    declared only once, or re-declared even, on a statement prepared
    only once, will leak one file handle with each cursor reopen.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Informix Server 12.10.xC15 or 14.10.xC6.          *
    ****************************************************************
    

Problem conclusion

  • Fixed in Informix Server 12.10.xC15 and 14.10.xC6.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT40927

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-05-13

  • Closed date

    2022-09-30

  • Last modified date

    2022-09-30

  • 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

    INFORMIX SERVER

  • Fixed component ID

    5725A3900

Applicable component levels

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":[{"code":"LOB10","label":"Data and AI"}]}]

Document Information

Modified date:
30 September 2022