PH27391: POSSIBLE HANG DURING JMS SESSION CLOSE CALLED FROM EXCEPTION HANDLER

APAR status

• Closed as program error.

Error description

• A possible hang condition may occur when closing a JMS session
  from within an onException handler that has been invoked due to
  the underlying transport (network connection) failing.
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server                                      *
  ****************************************************************
  * PROBLEM DESCRIPTION: Possible hang when closing a JMS        *
  *                      session within an onException handler.  *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Thread hang in onException handler invoked due to an
  underlying transport failure (e.g. network error).
  

Problem conclusion

• Changed async send thread start-up and added checks for its
  existence before waiting on it.
  
  The fix for this APAR is targeted for inclusion in fix pack
  9.0.5.6. For more information, see 'Recommended Updates for
  WebSphere Application Server':
  https://www.ibm.com/support/pages/node/715553
  

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

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels

• R900 PSY

     UP