PM90680: Timing problem when replicationinterval=0 after failover causes session data to not be retrieved from the remote grid.

APAR status

• Closed as program error.

Error description

• When performing a failover of a session from one application
  server to another with the WebSphere eXtreme Scale session
  manage property of replicationInterval=0, data can potentially
  not be retrieved from the remote grid to restore the session on
  another server.
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of WebSphere eXtreme Scale that   *
  *                  use                                         *
  *                  session replication.                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: Data might not be retrieved             *
  *                      from the remote data grid to restore    *
  *                      the                                     *
  *                      session on another server when it is    *
  *                      failing over.                           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  When the replicationInterval property is set to 0, a timing
  issue
  exists.  Data cannot be retrieved between two servers.
  

Problem conclusion

• The timing issue was resolved and the error no longer occurs.
  

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

  WS EXTREME SCAL

• Fixed component ID

  5724X6702

Applicable component levels

• R711 PSY

     UP

• R850 PSY

     UP