PM64619: PROVIDE NEW SESSION MESSAGE LIMIT FEATURE

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• New Session Message Limit feature to allow automatic persistent
  session rebalancing when a persistent session has reached a user
  specified number of sent messages.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of IMS Connect Extentions V2.3         *
  ****************************************************************
  * PROBLEM DESCRIPTION: Provide new Session Message Limit       *
  *                      feature                                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  This APAR is addressing the following:
  1. New Session Message Limit feature to allow automatic
  persistent session re-balancing when a persistent session
  has reached a user specified number of messages.
  2. The CEX IVP does not support messages exit HWSSMPL0.
  3. If OTMA degraded performance for Global Warning is active,
  IMS only sets a degraded status of Global Warn.
  CEX Routing will continue to send messages to a
  datastore in Global Warn status if that is the only choice
  available. Currently, IMS does not set Global Fail so it
  is possible to abend IMS.
  4. CEX Rules Based Routing does not provide an option to have
  CEX send an RSM to the client when there are no available
  datastore candidates available.
  Transaction routing supplies and option to return the
  message to IMS Connect with the original datastore or
  to reject the message with an RSM. If the client is using
  a Generic datastore name and it is returned to IMS Connect,
  Message HWSS0742W is issued because the generic datastore
  name is not known to IMS Connect.
  5. Refresh command issues messages, CEX2021, CEX2022, and
  CEX22023 even if the command ends with RC=4
  

Problem conclusion

Temporary fix

Comments

• The following changes have been made for the above issues:
  1. With this new feature active and the SYSPLEX distributor
  being used, when a persistent session has reached a
  user specified number of sent messages, IMS Connect
  Extensions will close the session. When a new persistent
  is subsequently requested, the SYSPLEX distributor will
  rebalance the sessions.
  2. Add 4 new test cases to the IVP that are the same as test
  cases 1 - 4 but that use exit HWSSMPL0.
  3. A new Option is added to the CEXROUTE command that allows
  the ability to treat the Global Warn condition as if it
  was a Global Fail condition. If this option is chosen,
  CEX Routing will not route to a datatore that is in
  Global Warn status.
  4. A new option of the CEXROUTE command is provided that
  provides the ability to have CEX return an RSM to the
  client and prevent the HWSS0742W message.
  5. Corrected Refresh command to not issue messages when
  the command fails due to RC=4
  

APAR Information

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

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

  UK80469

Modules/Macros

• CEX#MPDT CEX#MPSM CEX#SHCS CEX#SHEL CEXACL10
  CEXBDDSG CEXBDSI1 CEXCONS  CEXCONSS CEXCPSR  CEXCR62  CEXCSE06
  CEXCSE07 CEXCSE08 CEXCSE09 CEXCSKT  CEXDFDRV CEXEFW   CEXEPR
  CEXEVTPR CEXEVT01 CEXEVWTR CEXEXRTR CEXE05   CEXGUIW  CEXIVP6
  CEXIVP7  CEXIVP8  CEXIVP9  CEXJRNEX CEXMAIN  CEXMPDEP CEXMSGCM
  CEXMSGL  CEXMSGT  CEXOPDRV CEXPRED0 CEXPRED1 CEXPUBMN CEXPUDRV
  CEXRCDPR CEXRCDUT CEXREAD  CEXROUT0 CEXR168  CEXSALUT CEXSVC01
  CEXTECL  CEXTECL1 CEXTEOT  CEXTPXML H28S230J
  

Fix information

• Fixed component name

  IMS CONNECT EXT

• Fixed component ID

  5655K4800

Applicable component levels

• R230 PSY UK80469

     UP12/08/01 P F207

Fix is available

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