JR39667: ILLEGALARGUMENTEXCEPTION OR CLASSCASTEXCEPTION OCCURS WHILE PASSING A JAVA OBJECT PARAMETERS

Interim fixes for IBM Business Process Manager (BPM) Version 7.5
Version 7.5 Refresh Pack 1 for the IBM Business Process Manager products
WebSphere Enterprise Service Bus V7.5 Refresh Pack 1 (7.5.1.0)

APAR status

• Closed as program error.

Error description

• IllegalArgumentException or ClassCastException occurs while
  passing a Java Object parameters over the SCA or EJB bindings
  due to an incompatibility between the Object's classloader and
  the classloader of the current scope.
  
  
  [5/19/11 23:19:27:250 EDT]     FFDC
  Exception:java.lang.IllegalArgumentException
  SourceId:com.ibm.ws.sca.internal.java.handler.JavaImplementation
  Handler.processMessage ProbeId:399
  Reporter:com.ibm.ws.sca.internal.java.handler.JavaImplementation
  Handler@78ee78ee
  java.lang.IllegalArgumentException: argument type mismatch
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
  Impl.java:60)
   at
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
  AccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
   at
  com.ibm.ws.sca.internal.java.handler.JavaReflectionAdapter$2.run
  (JavaReflectionAdapter.java:152)
   at
  java.security.AccessController.doPrivileged(AccessController.jav
  a:202)
   at
  com.ibm.ws.sca.internal.java.handler.JavaReflectionAdapter.invok
  e(JavaReflectionAdapter.java:149)
   at
  com.ibm.ws.sca.internal.java.handler.JavaImplementationHandler.i
  nvokeSync(JavaImplementationHandler.java:447)
   at
  com.ibm.ws.sca.internal.java.handler.JavaImplementationHandler.p
  rocessMessage(JavaImplementationHandler.java:195)
   at
  com.ibm.ws.sca.internal.message.impl.MessageDispatcherImpl.proce
  ssMessageWithPCI(MessageDispatcherImpl.java:755)
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM Process Center and Process Server       *
  *                  customers                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION: A java.lang.IllegalArgumentException:   *
  *                      argument type mismatch is thrown when   *
  *                      calling a target through a sync import  *
  *                      binding.                                *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The problem is caused by the incorrect context classloader being
  used by the Import Binding.
  

Problem conclusion

• This fix is available via iFix JR39667.
  

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:

  PM63187

Fix information

• Fixed component name

  BPM ADVANCED

• Fixed component ID

  5725C9400

Applicable component levels

• R750 PSY

     UP