A fix is available
APAR status
Closed as program error.
Error description
Reopen APAR PI36985 for R4.2 . This is the sequence of events : -------------------------------- 1) CEMT SET MQCONN NOTCONNECTED / stop and CKTI is correctly terminated 2) CEMT S MQCONN CONNECT / start XL6SE1G0 Cannot open the initiation queue. MQCC=2 MQRC=2195 . Problem happens only if there is long running task running in the system at the time of the stop of the MQ connection. . Additional Symptom(s) Search Keyword(s): KIXREVxxx
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All CICS Users. * **************************************************************** * PROBLEM DESCRIPTION: DFHMQ0480 with MQCC=2 and MQRC=2195 * * received on all requests to WMQ after * * disconnecting then reconnecting to WMQ. * **************************************************************** * RECOMMENDATION: * **************************************************************** CICS is connected to WebSphere MQ and a task that performs WMQ work executes to completion on an L8 TCB. This TCB is subsequently reused by a non-WMQ related long running task. CICS is disconnected from the WMQ queue manager, then reconnected. However, the disconnection process never fully completed as the long running task on the L8 TCB prevents CICS from disassociating WMQ from the L8 TCB. As a consequence all WMQ requests result in a DFHMQ0480 message with MQCC=2 and MQRC=2195. In an alternative scenario where CICS and WMQ are not reconnected, but instead the WMQ queue manager is quiesced, the queue manager will not complete shutdown until the long running task in CICS has completed. Additional keywords: msgDFHMQ0480 MQ0480 MQRC_UNEXPECTED_ERROR
Problem conclusion
DFHMQDSC has been changed to issue an END CONTEXT for all MQ threads when shutting down the CICS MQ attachment. The fix from PI60847 has also been included. DFHMQTRI has been changed to include two new trace entries to trace when the END CONTEXT is driven. The CICS Transaction Server for z/OS V5.1 Trace Entries manual (SC34-2873-00) will have additional trace entries added to the CICS WebSphere MQ trace points section in Table 92 following AP A029: AP A02A DFHMQDSC RA 2 About to issue MQ END CONTEXT 1 Subsystem name AP A02B DFHMQDSC RA 2 Return from MQ END CONTEXT 1 FRB
Temporary fix
FIX AVAILABLE BY PTF ONLY
Comments
APAR Information
APAR number
PI62770
Reported component name
CICS TS Z/OS V5
Reported component ID
5655Y0400
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-05-19
Closed date
2016-06-14
Last modified date
2016-07-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI38763
Modules/Macros
DFHEIQMQ DFHMQAEX DFHMQBAS DFHMQBR9 DFHMQCOD DFHMQCON DFHMQCTL DFHMQDIS DFHMQDSC DFHMQDSL DFHMQIG DFHMQIN1 DFHMQMON DFHMQPOP DFHMQPRM DFHMQPUL DFHMQQCN DFHMQRET DFHMQRP DFHMQRS DFHMQSSQ DFHMQTM DFHMQTRC DFHMQTRD DFHMQTRI DFHMQTRQ DFHMQTRU DFHMQTSK
SC34287300 |
Fix information
Fixed component name
CICS TS Z/OS V5
Fixed component ID
5655Y0400
Applicable component levels
R800 PSY UI38763
UP16/06/24 P F606
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:
04 July 2016