[GERONIMO-813] ServiceContextInterceptor assumes tcp transport

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0-M4, 1.0-M5
• Fix Version/s: 1.0-M4, 1.0-M5
• Component/s: CORBA
• Security Level: public (Regular issues)
• Assignee: David Jencks
• Reporter: David Jencks
• Created: 26/Jul/05 06:07
• Updated: 07/Aug/06 15:05
• Resolved: 30/Jul/05 17:04

Description

When using corba to communicate with another app server, sometimes we see an exception like:

org.omg.CORBA.MARSHAL: java.lang.ClassCastException thrown while marshaling the reply: null vmcid: 0x0 minor code: 0 completed: Yes
at org.openejb.corba.CorbaApplicationServer.getEJBObject(CorbaApplicationServer.java:72)
at org.openejb.server.ServerFederation.getEJBObject(ServerFederation.java:119)
at org.openejb.proxy.ReplacementStrategy$1.writeReplace(ReplacementStrategy.java:81)
at org.openejb.proxy.SerializationHandler.writeReplace(SerializationHandler.java:101)
at org.openejb.proxy.EJBObjectImpl.writeReplace(EJBObjectImpl.java:115)
at sun.reflect.GeneratedMethodAccessor107.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:896)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1011)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278)
at org.openejb.proxy.SerializationHandler.copyObj(SerializationHandler.java:113)
at org.openejb.corba.util.Util.writeObject(Util.java:453)
at org.openejb.corba.StandardServant._invoke(StandardServant.java:342)
at com.sun.corba.se.internal.POA.GenericPOAServerSC.dispatchToServant(GenericPOAServerSC.java:517)
at com.sun.corba.se.internal.POA.GenericPOAServerSC.internalDispatch(GenericPOAServerSC.java:207)
at com.sun.corba.se.internal.POA.GenericPOAServerSC.dispatch(GenericPOAServerSC.java:109)
at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:252)
at com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
at com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)

After 2 days of tracing through the corba code, I discoverd this was due to an NPE in ServiceContextInterceptor due to assuming RequestInfoExt has a connection. I suspect that somehow local optimization got turned on thus leading to no connections, hence NPE's