IT04256: JAVA.LANG.CLASSCASTEXCEPTION THROWN FROM FLOW ORDER MEDIATION PRIMITIVE

Version 8.5 Refresh Pack 6 for the IBM Business Process Manager products

APAR status

• Closed as program error.

Error description

• A java.lang.ClassCastException is thrown when a message is
  routed via a
  Flow Order Mediation primitve with the following stack:
  
  Caused by: java.lang.ClassCastException:
  com.ibm.ws.sibx.smobo.impl.
  ServiceMessageObjectImpl incompatible with
  com.ibm.ws.sibx.smobo.x.impl.
  ServiceMessageObjectImpl
   at
  com.ibm.ws.sibx.mediation.primitives.floworder.FlowOrderMediatio
  n.
  mediate(FlowOrderMediation.java:163)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.
  performInvocation(JavaMediationPrimitive.java:766)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.
  performInvocationWithCatch(JavaMediationPrimitive.java:602)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.inv
  oke
  (JavaMediationPrimitive.java:422)
   at com.ibm.ws.sibx.scax.mediation.engine.MediationPrimitive.
  invokeConnections(MediationPrimitive.java:348)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.
  fireOutputTerminals(JavaMediationPrimitive.java:868)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.
  performInvocation(JavaMediationPrimitive.java:788)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.
  performInvocationWithCatch(JavaMediationPrimitive.java:602)
   at
  com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.inv
  oke
  (JavaMediationPrimitive.java:422)
   at com.ibm.ws.sibx.scax.mediation.engine.MediationPrimitive.
  invokeConnections(MediationPrimitive.java:348)
   at
  com.ibm.ws.sibx.scax.mediation.engine.Input.invoke(Input.java:24
  5)
   at com.ibm.ws.sibx.scax.mediation.engine.RequestFlow.invokeFlow
  (RequestFlow.java:135)
   at com.ibm.ws.sibx.scax.mediation.engine.MediationFlow.
  invokeRequestFlow(MediationFlow.java:169)
   at com.ibm.wsspi.sibx.mediation.flow.ejb.MediationFlowBean.
  invokeRequestFlow(MediationFlowBean.java:292)
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users of WebSphere Enterprise Service Bus v7 and Business
  Process Manger v7 and v8 running in eager parsing mode who make
  use of the Flow Order Mediation Primitive in their applications.
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  When using a Flow Order Mediation Primitive in a flow a Class
  Cast Exception could be seen if the flow is running in eager
  parsing mode. The exception is thrown as the code assumes that
  lazy parsing mode is in operation.
  

Problem conclusion

• The code has been altered to ensure that the Flow Order
  Mediation Primitive can be used without error in both lazy and
  eager parsing modes.
  
  | MDVPARTL - WESB 8.5.5.0 | Introduced by APAR IC97708
  

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

  WESB IN BPM

• Fixed component ID

  AIMCMFC00

Applicable component levels

• R850 PSY

     UP