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https://issues.apache.org/jira/browse/AXIS2-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504961
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Gokuldas K Pillai commented on AXIS2-1964:
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We got the same issue in our project. However, we fixed it with a work around -
if you convert the offending XML to string and then parse it back, there was no
issue. Binding is through xmlbeans.
Here "enrollConsumerDoc" is of type EnrollConsumerDocument (our domain specific
object) which extends org.apache.xmlbeans.XmlObject
Before this our code was simply calling the web-service like below:
{code}
_stub.enrollConsumer(enrollConsumerDoc);
{code}
The workaround code is as below:
{code}
StringWriter w = new StringWriter();
enrollConsumerDoc.save(w, new XmlOptions().setSavePrettyPrint());
String parsedText = w.getBuffer().toString();
enrollConsumerDoc =
EnrollConsumerDocument.Factory.parse(parsedText);
// Now make the call to the web-service endpoint represented by
"_stub"
_stub.enrollConsumer(enrollConsumerDoc);
{code}
This works!
> Null Pointer Exception in Service STUB class at
> _operationClient.execute(true); line for AXIS2 1.1.1
> -----------------------------------------------------------------------------------------------------
>
> Key: AXIS2-1964
> URL: https://issues.apache.org/jira/browse/AXIS2-1964
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: codegen
> Affects Versions: 1.1.1
> Environment: WINDOWS, JAVA1.4, RAD IDE
> Reporter: Vivek Gawande
> Assignee: Amila Chinthaka Suriarachchi
> Attachments: Jira-1964-Files.zip
>
>
> The recently released version 1.1.1 gives following NPE. It works fine with
> AXIS2 (1 and 1.1) versions though. The WorkflowServiceAdapterServiceStub is
> my service stub class.
> java.lang.NullPointerException
> at
> com.ctc.wstx.sw.BaseNsStreamWriter.doWriteDefaultNs(BaseNsStreamWriter.java:528)
> at
> com.ctc.wstx.sw.SimpleNsStreamWriter.writeDefaultNamespace(SimpleNsStreamWriter.java:111)
> at
> com.ctc.wstx.sw.SimpleNsStreamWriter.writeNamespace(SimpleNsStreamWriter.java:119)
> at
> org.apache.axiom.om.impl.MTOMXMLStreamWriter.writeNamespace(MTOMXMLStreamWriter.java:146)
> at
> org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serializeElement(StreamingOMSerializer.java:243)
> at
> org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serializeNode(StreamingOMSerializer.java:76)
> at
> org.apache.axiom.om.impl.serialize.StreamingOMSerializer.serialize(StreamingOMSerializer.java:59)
> at
> org.apache.axiom.om.impl.util.OMSerializerUtil.serializeByPullStream(OMSerializerUtil.java:473)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:823)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:848)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:819)
> at
> org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.internalSerialize(SOAPEnvelopeImpl.java:180)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:848)
> at
> org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImpl.java:419)
> at
> org.apache.axis2.transport.http.SOAPOverHTTPSender$AxisSOAPRequestEntity.handleOMOutput(SOAPOverHTTPSender.java:190)
> at
> org.apache.axis2.transport.http.SOAPOverHTTPSender$AxisSOAPRequestEntity.writeRequest(SOAPOverHTTPSender.java:232)
> at
> org.apache.commons.httpclient.methods.EntityEnclosingMethod.writeRequestBody(EntityEnclosingMethod.java:495)
> at
> org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:1973)
> at
> org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:993)
> at
> org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:397)
> at
> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.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(AbstractHTTPSender.java:541)
> at
> org.apache.axis2.transport.http.SOAPOverHTTPSender.send(SOAPOverHTTPSender.java:119)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:335)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:204)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:674)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:237)
> at
> org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:202)
> at
> com.gnw.eprocess.svc.wf.WorkflowServiceAdapterServiceStub.createWorkItem(WorkflowServiceAdapterServiceStub.java:240)
> at
> com.gnw.eprocess.svc.wf.test.WorkflowServiceAdapterServiceStubTest.testCreateWorkItem(WorkflowServiceAdapterServiceStubTest.java:85)
> I compared the files generated for 1.1.1 with 1.1 and there is mismatch on
> the line where it sets Action attribute
> 1.1 Generated Code: _operationClient.getOptions().setAction("");
> 1.1.1 Generated Code:
> _operationClient.getOptions().setAction("http://wf.svc.eprocess.gnw.com/WorkflowServiceAdapter/createWorkItemRequest";);
>
> We were actually looking for the fix of Bug 1856 in 1.1.1 as our IBM
> Webservice WSDL contains Abstract element, which is causing problems writing
> handlers on our service side on the SOAP Request after deserialization. But
> now the client stopped creating SOAP Request because of above NPE. I am not
> sure whether the Bug 1856 and above problem is related.
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