Hi,

I am trying the Axis2SampleDocLitService example in
the Axis2.0 user guide. I ran WSDL2Java against the
sample wsdl, and I was able to get the server up and
running. However, for the client, i am getting a
runtime exception while sending the message to server:
(I did use the tcpmon and see that the server was
sending a proper message back to the client, so this
seems to be a client side serialization problem): 

     [java] java.lang.RuntimeException : Data binding
error
     [java]     at
org.apache.axis2.userguide.Axis2SampleDocLitServiceStub.fromOM(Axis2SampleDocLitServiceStub.java:877)
     [java]     at
org.apache.axis2.userguide.Axis2SampleDocLitServiceStub.echoString
(Axis2SampleDocLitServiceStub.java:500)
     [java]     at
echoStringClient.main(echoStringClient.java:59)
     [java]     at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
     [java]     at
sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
     [java]     at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     [java]     at
java.lang.reflect.Method.invoke(Method.java:585)
     [java]     at
org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:202)
     [java]     at
org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:134)
     [java]     at
org.apache.tools.ant.taskdefs.Java.run (Java.java:710)
     [java]     at
org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:178)
     [java]     at
org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
     [java]     at
org.apache.tools.ant.UnknownElement.execute
(UnknownElement.java:275)
     [java]     at
org.apache.tools.ant.Task.perform(Task.java:364)
     [java]     at
org.apache.tools.ant.Target.execute(Target.java:341)
     [java]     at
org.apache.tools.ant.Target.performTasks
(Target.java:369)
     [java]     at
org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
     [java]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1185)
     [java]     at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets
(DefaultExecutor.java:40)
     [java]     at
org.apache.tools.ant.Project.executeTargets(Project.java:1068
)
     [java]     at
org.apache.tools.ant.Main.runBuild(Main.java:668)
     [java]     at org.apache.tools.ant.Main.startAnt
(Main.java:187)
     [java]     at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
     [java]     at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
     [java] Caused by: java.lang.NullPointerException 
     [java]     at
org.apache.axis2.userguide.Axis2SampleDocLitServiceStub.fromOM(Axis2SampleDocLitServiceStub.java:823)
     [java]     ... 23 more


Can anyone help???
thanks



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