PK99769: START CKBR GET ABENDAMQH DUE TO LENGERR EIBRESP 22

APAR status

• Closed as unreproducible in next release.

Error description

• This APAR is created to make a fix of apar PK80840 ( closed
  as RET ).
  You applied PTF UK41527 for APAR PK71609 along with other PTFs
  and FMIDs and now receive the following message each time a
  WebSphere MQSeries bridge message is processed.
  .
  DFHMQ0704E date time applid CKBR trannum EIBRESP=22 EIBRESP2=0
             returned for EXEC CICS call. EIBFN=1008.
  This accompanied by an LE abend U4094 and CICS abend AMQH.
  The EIBFN 1008 is an EXEC CICS START and the EIBRESP 22 is a
  LENGERR condition. A system dump for the DFHMQ0704E message
  indicates the LENGTH on the EC START command for the CKBP
  transaction has a value of zero resulting in the LENGERR,
  however a previous AP A109 trace entry correctly traces the
  length of the MQ message headers for x'0520' bytes.
  The zero length value is being set by DFHMQBR0 from field
  dfhbp020 in the C WSA ( Writable Static Area ).  The C++
  compiler generates an @@INIT@ csect to initialize the WSA.
  The Prelinker utility included the DFHMQBR0, DFHMQRB2 and
  DFHMQRB3 modules and produced output OBJ DFHMQR0@ which
  contained a merged WSA and a single @@INIT@ csect, however
  the DFHMQR2@ and DFHMQR3@ prelinker output OBJ members were
  also included in the PTF.  In this instance, due to the SMPE
  installation of the JCI6503 FMID and the UK41527 PTF, the
  sequence of the INCLUDEs were reordered and the binder used the
  @@INIT@ csect from DFHMQR3@ which did not fully map the WSA.
  .
  Only one OBJ output from the merged input XOBJ members should
  be included in the PTF which contains a merged WSA and a single
  @@INIT@ csect.
  .
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION: Runtime errors may occur when the       *
  *                      CICS owned MQ bridge is started due to  *
  *                      incorrect initialisation of the WSA     *
  *                      for DFHMQBR0.                           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Runtime errors may occur when the CICS owned MQ bridge is
  started, for example:
  
  ABENDAMQH DFHMQ0704E CKBR CKBP START LENGERR EIBRESP 22.
  
  The errors may be due to incorrect initialisation of the WSA for
  DFHMQBR0 which resulted from INCLUDE statements for DFHMQR0@,
  DFHMQR2@ and DFHMQR3@ being reordered by SMP/E at the time
  when DFHMQBR0 was link-edited.
  
  Only the include statement for DFHMQR0@ should be present when
  DFHMQBR0 is link-edited.
  

Problem conclusion

Temporary fix

• FIX AVAILABLE BY PTF ONLY
  

Comments

• The reported problem was found to be unreproducible at CICS TS
  4.1 and so this APAR is being closed UR1.
  

APAR Information

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

  PK94929

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

Fix information

• Fixed component name

  CICS TS Z/OS V4

• Fixed component ID

  5655S9700

Applicable component levels

• R603 PSY

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