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Status Delivered
Workspace CICS Transaction Server for z/OS
Categories Runtime
Created by Guest
Created on Dec 14, 2015

RELATED IDEAS

CICS TCPIPService not closing in an orderly manner at shutdown.

The TCPIPService is not closed or deregistered during normal shutdown of a CICS listening region in a manner that allows for the workload to be shifted to another listening region in a seamless manner. The current process at shutdown will accept connections that the region can not process leading to the user community seeing failures that should not happen when there are multiple listeners for the port sharing the workload in a distributed manner. Likely the same situation can happen during startup depending on the order the resources are installed. During the startup and shutdown of CICS should not accept work that cannot be processed normally.

Idea priority Urgent
  • Guest
    Reply
    |     Jun 16, 2017

    This RFE is satisfied by CICS TS 5.4 which is generally available from today June 16th 2017.
    For more information see the announcement letter https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&supplier=897&letternum=ENUS217-113

    If you are using a TCPIPSERVICE resource for CICS web support with the HTTP protocol, when a command is issued to close the TCPIPSERVICE and there are unused HTTP persistent connections, CICS now ensures that the TCPIPSERVICE closes within 30 seconds or within the time as specified in the TCPIPSERVICE SOCKETCLOSE attribute if this value is less than 30 seconds.

  • Guest
    Reply
    |     May 16, 2017

    This RFE is satisfied by CICS TS 5.4 which was announced on May 16th 2017 with a planned general availability date of June 16th 2017.
    For more information see the announcement letter https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&supplier=897&letternum=ENUS217-113

    If you are using a TCPIPSERVICE resource for CICS web support with the HTTP protocol, when a command is issued to close the TCPIPSERVICE and there are unused HTTP persistent connections, CICS now ensures that the TCPIPSERVICE closes within 30 seconds or within the time as specified in the TCPIPSERVICE SOCKETCLOSE attribute if this value is less than 30 seconds.

  • Guest
    Reply
    |     Sep 5, 2016

    This is something we would like to address. The RFE is being moved into 'Planned for Future release' status. Please note:
    IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.

  • Guest
    Reply
    |     Mar 22, 2016

    I've hit this a few times as well and investigated closing the TCPIP Service before telling the CICS to shut down on the same principle as de-registering from Generic VTAM.

    This did work well but I kept forgetting to Open the service after the region had restarted.

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