i had faced this exception when invoking the statefull session bean. I am using java version "1.2.2" Classic VM (J2RE 1.2.2 IBM build ca122-20000915 (JIT enabled: jitc)) . Running in AIX with 1G of memory.
java.lang.NullPointerException at java.io.DataOutputStream.writeUTF(DataOutputStream.java:315) at java.io.ObjectOutputStream.writeUTF(ObjectOutputStream.java:1529) at com.evermind.server.ejb.StatefulSessionObjectInfo.writeExternal(StatefulSession ObjectInfo.java:31) at java.io.ObjectOutputStream.outputObject(ObjectOutputStream.java(Compiled Code)) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java(Compiled Code)) at com.evermind.server.rmi.RMIOutputStream.writeType(RMIOutputStream.java(Compiled Code)) at com.evermind.server.rmi.RMICallHandler.run(RMICallHandler.java(Compiled Code)) at com.evermind.util.ThreadPoolThread.run(ThreadPoolThread.java(Compiled Code)) Thanks.... seawolf __________________________________________________ Do You Yahoo!? Great stuff seeking new owners in Yahoo! Auctions! http://auctions.yahoo.com