PI92731: "CORBA.MARSHAL: INCOMPATIBILITY BETWEEN STUB AND TIE" ON WEBSPHERE SCHEDULER APPLICATION.

9.0.0.8: WebSphere Application Server traditional V9.0 Fix Pack 8
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
9.0.0.9: WebSphere Application Server traditional V9.0 Fix Pack 9
9.0.0.10: WebSphere Application Server traditional V9.0 Fix Pack 10
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
9.0.0.11: WebSphere Application Server traditional V9.0 Fix Pack 11
9.0.5.0: WebSphere Application Server traditional Version 9.0.5 Refresh Pack
9.0.5.1: WebSphere Application Server traditional Version 9.0.5 Fix Pack 1
9.0.5.2: WebSphere Application Server traditional Version 9.0.5 Fix Pack 2
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
9.0.5.3: WebSphere Application Server traditional Version 9.0.5 Fix Pack 3
9.0.5.4: WebSphere Application Server traditional Version 9.0.5 Fix Pack 4
9.0.5.5: WebSphere Application Server traditional Version 9.0.5 Fix Pack 5
WebSphere Application Server traditional 9.0.5.6
9.0.5.7: WebSphere Application Server traditional Version 9.0.5 Fix Pack 7
9.0.5.8: WebSphere Application Server traditional Version 9.0.5.8
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
9.0.5.9: WebSphere Application Server traditional Version 9.0.5.9
9.0.5.10: WebSphere Application Server traditional Version 9.0.5.10
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21
9.0.5.11: WebSphere Application Server traditional Version 9.0.5.11

APAR status

• Closed as program error.

Error description

• We can implement a WebSphere scheduler task that calls a
  session bean as EJB3.x.
  When WebSphere scheduler is configured on a cluster and one of
  the cluster members tries to handle the scheduled task, there
  is a possibility that the scheduler service sends ejb methods
  like create/process to remote cluster members. This remote ejb
  call results in the CORBA.MARSHAL Incompatibility error.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Scheduler API                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: Incompatibility between Stub and Tie    *
  *                      reported for Scheduler TaskHandler      *
  *                      interface                               *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  When an implementation of the
  com.ibm.websphere.scheduler.TaskHandler interface is provided
  in an EJB 3.0 or later module, the following error may occur
  if the Scheduler attampts to make a remote call to the bean:
  org.omg.CORBA.MARSHAL: Incompatibility between Stub and Tie
  0x7f
  at offset 0x4d8  vmcid: IBM  minor code: 8F3  completed: No
  at
  com.ibm.rmi.iiop.CDRReader.read_abstract_interface(CDRReader.jav
  a:1628)
  at
  com.ibm.websphere.scheduler._EJSRemoteCSLModelRootTaskHandler_1e
  041c44_Tie.process(_EJSRemoteCSLModelRootTaskHandler_1e041c44_Ti
  e.java:100)
  at
  com.ibm.websphere.scheduler._EJSRemoteCSLModelRootTaskHandler_1e
  041c44_Tie._invoke(_EJSRemoteCSLModelRootTaskHandler_1e041c44_Ti
  e.java)
  at
  com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDe
  legate.java:631)
  

Problem conclusion

• WebSphere Application Server provides an RMIC generated Stub
  class for the Scheduler TaskHandler iterface, which is not
  compatible with the EJB 3.x style generated Tie class. A
  change will be made to the EJB Container to generate a Tie for
  the TaskHandler implementation that is compatible with the
  RMIC generated Stub. The error will no longer occur.
  
  The fix for this APAR is currently targeted for inclusion in
  fix packs 8.5.5.14 and 9.0.0.8.  Please refer to the
  Recommended Updates page for delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

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

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels

• R850 PSY

     UP

• R900 PSY

     UP