JR33536: MQ CONNECTOR TEST CONNECT CAUSES AGENT TO CRASH

APAR status

• Closed as program error.

Error description

• MQ Connector Test Connect causes ASBAgent to crash, javacore and
  core dump are generated.
  
  Stack trace shows:
  
  #10 <signal handler called>
  #11 0xf7f3f5bd in _dl_close () from /lib/ld-linux.so.2
  #12 0xf7edeee4 in dlclose_doit () from /lib/libdl.so.2
  #13 0xf7f3a3b6 in _dl_catch_error () from /lib/ld-linux.so.2
  #14 0xf7edf2fc in _dlerror_run () from /lib/libdl.so.2
  #15 0xf7edef1a in dlclose () from /lib/libdl.so.2
  #16 0xd09be473 in CC_WSMQUtil::unresolveMqiMethodPointers ()
     from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  #17 0xd09be824 in CC_WSMQUtil::resolveMqiMethodPointers ()
     from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  #18 0xd096a308 in CC_WSMQConnection::setMode () from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  #19 0xd09dd218 in
  CC_WSMQPropertyHandler::processConnectionProperties ()
     from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  #20 0xd0964f3b in CC_WSMQConnection::CC_WSMQConnection ()
     from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  #21 0xd0968b7c in
  CC_WSMQConnection_createInstance__PROPERTYSET_3ERRORLIST_3 ()
     from
  /usr/opt/app/IBM/InformationServer/Server/DSComponents/bin/libcc
  wsmq.so
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  MQ Connector users with an environment where only MQ Server or
  only MQ Client is installed.
  ****************************************************************
  PROBLEM DESCRIPTION:
  When only MQ Server is installed,
  (1) Set 'Mode' property to 'Client' and press 'Test' button on
  MQ Connector.
  (2) Set 'Mode' property to 'Server' and press 'Test' button on
  MQ Connector.
  Then, ASBAgent abends.
  
  When only MQ Client is installed,
  (1) Set 'Mode' property to 'Server' and press 'Test' button on
  MQ Connector.
  (2) Set 'Mode' property to 'Client' and press 'Test' button on
  MQ Connector.
  Then, ASBAgent abends.
  
  ****************************************************************
  RECOMMENDATION:
  Apply the patch
  ****************************************************************
  

Problem conclusion

• When either of MQ client or server library failed to be loaded,
  the unload always failed because of null pointer of the library.
  It is necessary to unload it only when the library was
  successfull loaded.
  

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

  WIS DATASTAGE

• Fixed component ID

  5724Q36DS

Applicable component levels

• R810 PSN

     UP