PM70098: IMS CONNECT VIRTUAL STORAGE IS FILLED WITH IMS CONNECT EXTENSIONS CONTROL BLOCKS FOR OPEN PORTS AND EVENTUALLY ABENDS.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • IMS Connect is supposed to issue Event 03 when it opens a Port
    and event 04 when it closes a Port.  IMS Connect Extensions
    creates a control block when the Port is opened and frees the
    control block when the Port is closed - based on receiving
    Events 03 and 04.
    
    If an OPENPORT command is issued IMS Connect issues Event 03 and
    tries to open the Port.  If the open fails Event 04 is not
    issued.
    
    In this case this customer has automation to try to open a
    Port which was not available on this system.  This eventually
    filled storage with IMS Connect Extensions control blocks.
    

Local fix

  • IMS Connect Extensions APAR PM58471 will prevent IMS Connect
    Extensions from filling up storage with Port control blocks for
    the same Port.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All IMS V11 IMS Connect users with           *
    *                 Connect Extension.                           *
    ****************************************************************
    * PROBLEM DESCRIPTION: IMS CONNECT ABENDS92A with IMS connect  *
    *                      extensions control blocks.              *
    ****************************************************************
    * RECOMMENDATION: INSTALL CORRECTIVE SERVICE FOR APAR/PTF      *
    ****************************************************************
    IMS Connect Virtual Storage was full when IMS Connect
    Extension installed, which caused ABENDS92A. This was
    because IMS Connect created event X'03' when it tried to
    open a port, but was not creating event x'04' when the
    opening of the port failed. Since IMS Connect extensions
    kept tracking all open ports thus the storage was filled.
    

Problem conclusion

  • GEN:
    KEYWORDS: ABENDS92A
    
    *** END IMS KEYWORDS ***
    Module HWSSSCH0 was enhanced to check if the port is closed
    during the initialization, so IMS Connect will create event
    x'04' consequently.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PM70098

  • Reported component name

    IMS V11

  • Reported component ID

    5635A0200

  • Reported release

    100

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-08-02

  • Closed date

    2013-01-11

  • Last modified date

    2013-02-04

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

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

    PM76794 UK90907

Modules/Macros

  •    HWSSSCH0
    

Fix information

  • Fixed component name

    IMS V11

  • Fixed component ID

    5635A0200

Applicable component levels

  • R100 PSY UK90907

       UP13/01/19 P F301

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



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Document information


More support for:

IMS

Software version:

100

Reference #:

PM70098

Modified date:

2013-02-04

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