IC66899: CLIENT EXIT RESPONSE 'MQXCC_SEND_AND_REQUEST_SEC_MSG' CAUSES MEMORY VIOLATION AND CHANNEL TERMINATION

WebSphere MQ V7.0.1 for i5/OS Fix Pack 7.0.1.3
WebSphere MQ V7.0 Fix Pack 7.0.1.3

APAR status

• Closed as program error.

Error description

• When using a server side channel security exit with no
  corresponding client side exit, the exit causes the channel to
  close unexpectedly. The client throws an MQRC2009
  (MQRC_CONNECTION_BROKEN) and if multiplexing is in use, any
  other applications using the channel also lose their connection.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  This issue affects users of the WebSphere MQ (WMQ) classes for
  Java Message Service (JMS) and the WMQ classes for Java that
  have a security exit defined on the queue manager side of a
  channel which returns an exit response of
  MQXCC_SEND_AND_REQUEST_SEC_MSG and no security exit
  defined on the client side of the channel.
  
  Platforms affected:
  All Distributed (iSeries, all Unix and Windows)
  ****************************************************************
  PROBLEM SUMMARY:
  The client was sending a user ID (UID) flow
  rather than a security flow in response to the security exit's
  request.
  

Problem conclusion

• The client now correctly responds to
  MQXCC_SEND_AND_REQUEST_SEC_MSG with a null security flow, rather
  than a UID flow.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
                     v7.0
  Platform           Fix Pack 7.0.1.3
  --------           --------------------
  Windows            tbc_p700_0_1_3
  AIX                tbc_p700_0_1_3
  HP-UX (PA-RISC)    tbc_p700_0_1_3
  HP-UX (Itanium)    tbc_p700_0_1_3
  Solaris (SPARC)    tbc_p700_0_1_3
  Solaris (x86-64)   tbc_p700_0_1_3
  iSeries            tbc_p700_0_1_3
  Linux (x86)        tbc_p700_0_1_3
  Linux (x86-64)     tbc_p700_0_1_3
  Linux (zSeries)    tbc_p700_0_1_3
  Linux (Power)      tbc_p700_0_1_3
  
  The latest available maintenance can be obtained from
  'WebSphere MQ Recommended Fixes'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
  
  If the maintenance level is not yet available, information on
  its planned availability can be found in 'WebSphere MQ
  Planned Maintenance Release Dates'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
  ---------------------------------------------------------------
  

Temporary fix

Comments

APAR Information

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

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

Fix information

• Fixed component name

  WMQ WINDOWS V7

• Fixed component ID

  5724H7220

Applicable component levels

• R700 PSY

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