PM34773: IWNR1060E DURING SUSPEND COMMAND FOR HYPERSWAP SESSION

APAR status

• Closed as program error.

Error description

• In certain circumstances, an unexpected IWNR1060E Error message
  may occur during a
  Suspend command for Sessions using z/OS HyperSwap.
  This results from an internal NullPointerException in method
  ESSElementCreator.getSSIDFromBoxNameAndLSS.
  
  Stack Trace from Error:
  runCommand: operation received unexpected exception
  java.lang.NullPointerException
          at
  com.ibm.csm.server.hw.ess.ccw.ESSElementCreator.getSSIDFromBoxNa
  meAndLSS(Unknown Source)
          at
  com.ibm.csm.server.session.ZOSHyperswapManager.getSsidMap(Unknow
  n Source)
          at
  com.ibm.csm.server.session.ZOSHyperswapManager.getSuspendHypersw
  apBuffer(Unknown Source)
          at
  com.ibm.csm.server.session.ZOSHyperswapManager.callIOSSuspend(Un
  known Source)
          at
  com.ibm.csm.server.session.SessionMgr.runOperation(Unknown
  Source)
          at
  com.ibm.csm.server.session.SessionMgr.runCommand(Unknown Source)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
  Method)
          at
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
  Impl.java:79)
          at
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
  AccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:618)
          at
  com.ibm.csm.server.communication.ClientRequest.processCommandPar
  cel(Unknown Source)
          at
  com.ibm.csm.server.communication.ClientRequest.buildResponse(Unk
  nown Source)
          at
  com.ibm.csm.server.communication.ClientRequest.access$100(Unknow
  n Source)
          at
  com.ibm.csm.server.communication.ClientRequest$BuildResponseActi
  on.run(Unknown Source)
          at
  java.security.AccessController.doPrivileged(AccessController.jav
  a:214)
          at javax.security.auth.Subject.doAs(Subject.java:495)
          at
  com.ibm.csm.server.communication.ClientRequest.work(Unknown
  Source)
          at
  com.ibm.csm.util.thread.ThreadPool$WorkerBee.run(Unknown Source)
  

Local fix

Problem summary

• In certain circumstances an unexpected IWNR1060E message may
  occur during a suspsned command.
  

Problem conclusion

• The problem occurs if the element is not found when looking up
  the SSID while creating the buffer for the IOS suspend. A check
  has been added for the Null Pointer Exception case.
  

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

  TPC FOR REPL Z/

• Fixed component ID

  5608TRMZ0

Applicable component levels

• R41B PSY

     UP

• R42B PSY

     UP