PH23757: EJB PERSISTENT TIMER/DESERIALIZED CONTEXT FAILS WITH CWWKC1004E (UNAVAILABLE CONTEXT) AFTER MPCONTEXTPROPAGATION-1.0 DISABLED

20.0.0.4: WebSphere Application Server Liberty 20.0.0.4
20.0.0.5: WebSphere Application Server Liberty 20.0.0.5

APAR status

• Closed as program error.

Error description

• The following error happens after you disable
  mpContextPropagation-1.0 and then try to use thread context
  that was previously captured when mpContextPropagation-1.0
  was
  enabled. This can happen with contextual proxies created by
  a
  ContextService or with EJB Persistent Timers.
  
  java.lang.IllegalStateException: CWWKC1004E: Thread context
  provider com.ibm.ws.concurrent.mp.cleared.context.provider
  is unavailable.
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescrip
  torImpl$1.run(ThreadContextDescriptorImpl.java:151)
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescrip
  torImpl$1.run(ThreadContextDescriptorImpl.java:138)
  	at
  java.base/java.security.AccessController.doPrivileged(Access
  Controller.java:703)
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescrip
  torImpl.<init>(ThreadContextDescriptorImpl.java:138)
  	at
  com.ibm.wsspi.threadcontext.ThreadContextDeserializer.deseri
  alize(ThreadContextDeserializer.java:34)
  	at
  com.ibm.ws.concurrent.persistent.internal.TaskInfo.deseriali
  zeThreadContext(TaskInfo.java:152)
  	at
  com.ibm.ws.concurrent.persistent.internal.InvokerTask.run(In
  vokerTask.java:413)
  
  This is fixed in
  https://github.com/OpenLiberty/open-liberty/issues/11199
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Liberty                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: EJB persistent timer / deserialized     *
  *                      context fails with CWWKC1004E           *
  *                      (UNAVAILABLE CONTEXT) after             *
  *                      mpContextPropagation-1.0 disabled       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The following error happens after you disable
  mpContextPropagation-1.0 and then try to use thread context that
  was previously captured when mpContextPropagation-1.0 was
  enabled. This can happen with contextual proxies created by a
  ContextService or with EJB Persistent Timers.
  
  It is possible that the jaxrs-2.1 feature might have enabled and
  disabled mpContextPropagation-1.0 without you explicitly
  adding/removing it from the server.xml.  Because there was a
  window of a couple of months during which the jaxrs-2.1 feature
  automatically pulled in parts of mpContextPropagation-1.0, it is
  possible for users of jaxrs-2.1 to experience this problem if
  they created EJB persistent timers or serialized contextual
  proxies and later moved up to a new version of Liberty where the
  jaxrs-2.1 feature no longer automatically pulls in parts of
  mpContextPropagation-1.0.
  
  java.lang.IllegalStateException: CWWKC1004E: Thread context
  provider com.ibm.ws.concurrent.mp.cleared.context.provider is
  unavailable.
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescriptorI
  mpl$1.run(ThreadContextDescriptorImpl.java:151)
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescriptorI
  mpl$1.run(ThreadContextDescriptorImpl.java:138)
  	at
  java.base/java.security.AccessController.doPrivileged(AccessCont
  roller.java:703)
  	at
  com.ibm.ws.context.service.serializable.ThreadContextDescriptorI
  mpl.<init>(ThreadContextDescriptorImpl.java:138)
  	at
  com.ibm.wsspi.threadcontext.ThreadContextDeserializer.deserializ
  e(ThreadContextDeserializer.java:34)
  	at
  com.ibm.ws.concurrent.persistent.internal.TaskInfo.deserializeTh
  readContext(TaskInfo.java:152)
  	at
  com.ibm.ws.concurrent.persistent.internal.InvokerTask.run(Invoke
  rTask.java:413)
  

Problem conclusion

• Deserialization code path is updated to skip over the clearing
  of MicroProfile Context Propagation context types if
  MicroProfile Context Propagation is not enabled.
  
  The fix for this APAR is currently targeted for inclusion in fix
  pack 20.0.0.4.  Please refer to the Recommended Updates page for
  delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

Temporary fix

• Re-enable mpContextPropagation-1.0
  

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

  WAS LIBERTY COR

• Fixed component ID

  5725L2900

Applicable component levels

• RCD0 PSY

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