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From "Jiang Liu" <S3075...@student.rmit.edu.au>
Subject Unable to invoke Ode services
Date Thu, 08 Feb 2007 04:22:16 GMT
Hi all,
it has been trouble me for days that i can not invoke an Ode deployed BPEL service. I am using
the latest Ode (version 504778). I have a very simple HelloWorld BPEL and there is no problem
of deploying the process.

When i invoke it, i always get follow exceptions no matter what i changed to both server and
client sides:

E:\Workplace_Webservices\Ode_helloworld_client\client\build\classes>java -Djava.e
xt.dirs=c:\Jar_lib ode.bpel.unit_test_wsdl.Client
java.lang.NullPointerException
        at com.ctc.wstx.sw.BaseNsStreamWriter.doWriteDefaultNs(BaseNsStreamWriter
.java:528)
        at com.ctc.wstx.sw.SimpleNsStreamWriter.writeDefaultNamespace(SimpleNsStr
eamWriter.java:111)
        at com.ctc.wstx.sw.SimpleNsStreamWriter.writeNamespace(SimpleNsStreamWrit
er.java:119)
        at org.apache.axiom.om.impl.MTOMXMLStreamWriter.writeNamespace(MTOMXMLStr
eamWriter.java:146)
        at org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serializeElem
ent(StreamingOMSerializer.java:243)
        at org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serializeNode
(StreamingOMSerializer.java:76)
        at org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serialize(Str
eamingOMSerializer.java:59)
        at org.apache.axiom.om.impl.util.OMSerializerUtil.serializeByPullStream(O
MSerializerUtil.java:473)
        at org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElemen
tImpl.java:823)
        at org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsum
e(OMElementImpl.java:848)
        at org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElemen
tImpl.java:819)
        at org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.internalSerialize(SOA
PEnvelopeImpl.java:180)
        at org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsum
e(OMElementImpl.java:848)
        at org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImp
l.java:419)
        at org.apache.axis2.transport.http.SOAPOverHTTPSender$AxisSOAPRequestEnti
ty.handleOMOutput(SOAPOverHTTPSender.java:190)
        at org.apache.axis2.transport.http.SOAPOverHTTPSender$AxisSOAPRequestEnti
ty.writeRequest(SOAPOverHTTPSender.java:232)
        at org.apache.commons.httpclient.methods.EntityEnclosingMethod.writeReque
stBody(EntityEnclosingMethod.java:495)
        at org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBa
se.java:1973)
        at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.ja
va:993)
        at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(Http
MethodDirector.java:397)
        at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMet
hodDirector.java:170)
        at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java
:396)
        at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java
:346)
        at org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(Abstr
actHTTPSender.java:541)
        at org.apache.axis2.transport.http.SOAPOverHTTPSender.send(SOAPOverHTTPSe
nder.java:119)
        at org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessag
eWithCommons(CommonsHTTPTransportSender.java:335)
        at org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(Comm
onsHTTPTransportSender.java:204)
        at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:674)
        at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOp
eration.java:237)
        at org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxi
sOperation.java:202)
        at ode.bpel.unit_test_wsdl.HelloWorldStub.hello(HelloWorldStub.java:144)
        at ode.bpel.unit_test_wsdl.Client.main(Client.java:15)

I have tried change service's logic, client's access point value etc. All failed, so could
anyone help me out here? 

Best Regards
------------------------------
Jiang Liu
Student Number: 3075163
CS/Yallara Name: ljiang
RMIT, Melbourne

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