PI56083: NullPointerException from ReplicatedPartition TrackingTempReplic a

APAR status

• Closed as program error.

Error description

• A NullPointerException is logged in the FFDC files.
  
  FFDC Exception:java.lang.NullPointerException SourceId:com.ibm.w
  java.lang.NullPointerException
  at com.ibm.ws.objectgrid.replication.ReplicatedPartition.trackin
  at com.ibm.ws.objectgrid.replication.ReplicatedPartition.becomeP
  at com.ibm.ws.objectgrid.replication.ReplicatedPartition.process
  at com.ibm.ws.objectgrid.replication.ReplicatedPartition.handleM
  at com.ibm.ws.objectgrid.server.impl.ShardImpl.handleRoleTransit
  at com.ibm.ws.objectgrid.server.impl.IDLShardImpl.handleRoleTran
  at com.ibm.ws.objectgrid.server.container.ObjectGridContainerImp
  at com.ibm.ws.objectgrid.server.container.IDLObjectGridContainer
  at com.ibm.ws.objectgrid.server.container.IDLObjectGridContainer
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolE
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPool
  at com.ibm.ws.objectgrid.thread.XSThreadPool$Worker.run(XSThread
  
  This can coincide with loss of data if an Inactive shard is prom
  
  ReplicatedPar I   CWOBJ1532I: SimpleGrid:mapSet:0 (moving from s
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  WebSphere eXtreme Scale users who installed *
  *                  APAR PI45073 and are running the ORB        *
  *                  transport or mixed levels with the XIO      *
  *                  transport. Users also have large partition  *
  *                  sizes, requiring longer than 3 minutes to   *
  *                  replicate a shard from scratch or           *
  *                  experience                                  *
  *                  intermittent network issues or timeouts     *
  *                  that                                        *
  *                  occur during replication.                   *
  ****************************************************************
  * PROBLEM DESCRIPTION: NullPointerException from               *
  *                      ReplicatedPartition                     *
  *                      TrackingTempReplica                     *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  A NullPointerException is logged in the FFDC files.
  FFDC Exception:java.lang.NullPointerException
  SourceId:com.ibm.ws.objectgrid.replication.XIOIDLReplicatedParti
  tion.becomePrimary ProbeId:428
  Reporter:com.ibm.ws.objectgrid.replication.XIOIDLReplicatedParti
  tion@470e995a
  java.lang.NullPointerException
  at
  com.ibm.ws.objectgrid.replication.ReplicatedPartition.trackingTe
  mpReplica(ReplicatedPartition.java:1629)
  at
  com.ibm.ws.objectgrid.replication.ReplicatedPartition.becomePrim
  ary(ReplicatedPartition.java:1058)
  at
  com.ibm.ws.objectgrid.replication.ReplicatedPartition.processPri
  maryWork(ReplicatedPartition.java:630)
  at
  com.ibm.ws.objectgrid.replication.ReplicatedPartition.handleMigr
  ationEvent(ReplicatedPartition.java:539)
  at
  com.ibm.ws.objectgrid.server.impl.ShardImpl.handleRoleTransition
  (ShardImpl.java:338)
  at
  com.ibm.ws.objectgrid.server.impl.IDLShardImpl.handleRoleTransit
  ion(IDLShardImpl.java:1017)
  at
  com.ibm.ws.objectgrid.server.container.ObjectGridContainerImpl.d
  oContainerWork(ObjectGridContainerImpl.java:889)
  at
  com.ibm.ws.objectgrid.server.container.IDLObjectGridContainerImp
  l.doContainerWork(IDLObjectGridContainerImpl.java:416)
  at
  com.ibm.ws.objectgrid.server.container.IDLObjectGridContainerImp
  l$2.run(IDLObjectGridContainerImpl.java:370)
  at
  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExec
  utor.java:1157)
  at
  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExe
  cutor.java:627)
  at
  com.ibm.ws.objectgrid.thread.XSThreadPool$Worker.run(XSThreadPoo
  l.java:309)
  This can coincide with loss of data if an Inactive shard is
  promoted to Primary.
  ReplicatedPar I   CWOBJ1532I: SimpleGrid:mapSet:0 (moving from
  server xsServer05 (xsServer05_C-8), promoting inactive to
  primary) in transition.
  

Problem conclusion

• The NullPointerException was resolved.
  

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

• R860 PSY

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