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https://issues.apache.org/jira/browse/AXIS2-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476891
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Roland Küstermann commented on AXIS2-1964:
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I don't know if this helps, but as soon as I set a breakpoint to the execute
method, and debug it..., it seems to work. Is this perhaps kind of related to a
thread issue?
> 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
> Assigned To: 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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