IT38929: On AIX, when an IBM MQ queue manager starts then the AMQP process fails to start and produces a Java Core and FDC

APAR status

• Closed as program error.

Error description

• When starting a queue manager on AIX , the AMQP process fails.
  A Java core file is produced with the following information.
  
  1CICMDLINE     /usr/mqm/amqp/bin/../../java/jre64/jre/bin/java
  -Dcom.ibm.mq.mqxr.service.type=amqp
  
  A failure data capture (FDC) record is also produced.
  +========================================FFDC
  Start========================================+
  | Product           :- IBM MQ AMQP First Failure Symptom Report
  
  | Operating System  :- AIX
                             |
  | Product Long Name :- IBM MQ Advanced Message Queuing Protocol
  Support classes for Java   |
  | Vendor            :- IBM Corporation
                             |
  | Program Name      :- java
  
  | UserID            :- mqm
                             |
  | Java Version      :- 1.8.0_281
                             |
  | Thread            :- name=main priority=5 group=main
  ccl=sun.misc.Launcher$
  AppClassLoader@8657af |
  |                   :- ba
                             |
  | Source Class      :- com.ibm.mq.MQXRService.MQXRService
  
  | Source Method     :- start
                             |
  | Probe Id          :- XR06072014
                             |
  | FileInformation   :- /data/wmq/var/mqm/errors/AMQP0.FDC
  
  | Loaded from       :-
  jar:file:/data/wmq/usr/mqm/amqp/lib/AMQPListener.jar!/com/ibm/mq
  /MQXRService/MQXRService.class
                         |
  | QueueManager      :- *******
                             |
  |---------------------------------------------------------------
  ---------------------------|
  
  No MQM Function Stack Available
  
  :---------------------------------------------------------------
  ---------------------------:
  : Exception cause:
                             :
  :---------------------------------------------------------------
  ---------------------------:
  
  com.ibm.mq.MQXRService.MQInvocationException: MQCC 2, MQRC 2583
  MQRC_INSTALLATION_MISMATCH
          at
  com.ibm.mq.MQXRService.MQConnection.<init>(MQConnection.java:206
  )
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  <span style="background-color:rgb(255, 255, 255)">All users who
  have the AMQP (mqm.amqp.rte) component installed on a system
  where the MQ installation path is resolved using a symbolic
  link.</span>
  
  
  Platforms affected:
  AIX
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  <span style="background-color:rgb(255, 255, 255)">On AIX, if the
  IBM MQ installation path was a symbolic link then an
  </span><span style="background-color:rgb(255, 255,
  255)">MQRC_INSTALLATION_MISMATCH error was returned during AMQP
  startup.  This was due to an </span><span
  style="background-color:rgb(255, 255, 255)">incorrect text
  comparison between the symbolic link and the resolved</span>
  <span style="background-color:rgb(255, 255, 255)">path.</span>
  

Problem conclusion

• <span style="background-color:rgb(255, 255, 255)">The IBM MQ
  code has been modified so that paths are fully resolved</span>
  <span style="background-color:rgb(255, 255, 255)">before trying
  to compare them.</span>
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.2 LTS   9.2.0.6
  v9.x CD    9.2.5
  
  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

  MQ BASE V9.2

• Fixed component ID

  5724H7281

Applicable component levels