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PM44437: CICS/TS SHUTDOWN HANGS INTERMITTEND AFTER DFHWK0105I WARM KEYPOINT SUCCESSFUL , BECAUSE OF OPEN ECI TCPIPSERVICE .

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Intermittend CICS/TS shutdown hangs after DFHWK0105I WARM
    KEYPOINT SUCCESSFUL . The Trace is filled with:
    TCP   1 DS 0004 DSSR  ENTRY WAIT_OLDW
      DFHZDSP,TCP_SHUT,01D34464,CSTP,NO,MISC
    TCP   1 DS 0005 DSSR  EXIT  WAIT_OLDW/OK
    Socked Domain shows an open ECI :
    ==SO: SOCKETS DOMAIN TCPIPSERVICE BLOCK SUMMARY
    Name Status Port Backlog Listen_Token Tranid URMname SSL
    IP_Address
    ECI  OPEN   2006      0  017C3000     CIEP   ........ NO
    INADDR_ANY
    
    PM25851/UK64258 did not solve the problem.
    
    CICS/TS has to be canceled.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS users.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: CICS hangs during a normal shutdown if  *
    *                      there are closed sockets that have not  *
    *                      been removed from an ECI TCPIPSERVICE.  *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Hang in CICS shutdown due to DFHSODM being in an indefinite
    wait on resource SODOMAIN SO_LTEPTY.
    
    The reason is that TCP/IP has returned errno 1,112 (1112)
    EOPNOTSUPP to an ECI request, DFHIEIE error recovery has treated
    that as a severe error and has not removed the socket request
    from the TCPIPSERVICE even though the socket has been closed.
    
    If the TCPIPSERVICE is manually closed using IMMCLOSE, CICS will
    shutdown normally.
    
    Additional keywords: msgDFHWK0105I WK0105I WK0105
    

Problem conclusion

  • DFHSOCK has been changed to treat errno 1,112 EOPNOTSUPP the
    same way as errno 1,121 ECONNRESET for SEND and RECEIVE
    requests. That is, as if the client has closed the connection.
    The socket will be closed and DFHIEIE will remove the socket
    from the TCPIPSERVICE.
    

Temporary fix

  • FIX AVAILABLE BY PTF ONLY
    

Comments

APAR Information

  • APAR number

    PM44437

  • Reported component name

    CICSTS FOR VSE

  • Reported component ID

    564805400

  • Reported release

    B0P

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-07-26

  • Closed date

    2011-09-15

  • Last modified date

    2012-05-15

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

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

    UK72100

Modules/Macros

  •    DESIEIE  DESSOCK  DFHIEIE  DFHIEP   DFHSOCK
    

Fix information

  • Fixed component name

    CICSTS FOR VSE

  • Fixed component ID

    564805400

Applicable component levels

  • RB0P PSY UK72100

       UP11/11/01 P E511

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

Modified date:
15 May 2012