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https://issues.apache.org/jira/browse/AXIS2-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973670#action_12973670
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Isuru Eranga Suriarachchi commented on AXIS2-4809:
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Hi Srijith,
Are you using Axis2 1.4 libraries in your client class path? Is there any
special reason for not using the latest release?
If this issue is there with the latest release as well, please provide a sample
client code from which we can reproduce the issue.
Thanks,
~Isuru
> NullPointerException in internalSerializeAndConsume
> ---------------------------------------------------
>
> Key: AXIS2-4809
> URL: https://issues.apache.org/jira/browse/AXIS2-4809
> Project: Axis2
> Issue Type: Bug
> Components: om
> Affects Versions: 1.4
> Environment: A centralized server hosting the web -service, with
> multiple clients consuming the same. JAVA 1.6 runtime. Linux Platform. Axis2
> is bundleized in an OSGi runtime.
> Reporter: Srijith Kochunni
> Priority: Critical
> Original Estimate: 264h
> Remaining Estimate: 264h
>
> We invoke one of our our web services using Axis2, without any databinding,
> because the response payload might be too huge. This is how we invoke the
> same.
>
> clientOptions = new Options();
> clientOptions.setCallTransportCleanup(true);
> clientOptions = setReuseHTTPClient(clientOptions);
>
> EndpointReference targetEPR = new
> EndpointReference(endpointURI);
> clientOptions.setTo(targetEPR);
> clientOptions.setAction(wsAction);
> setHTTPKeepAlive(clientOptions, keepAlive);
> ServiceClient svcClient = new ServiceClient();
> svcClient.setOptions(clientOptions);
> result = svcClient.sendReceive(requestOmElement);
> The request OM Element is derived from the Adb generated source code, from
> the WSDL. It was working correctly for quite some time, but recently randomly
> it is seen that we get this following exception
> java.lang.NullPointerException
> at
> org.apache.axiom.om.impl.llom.OMSourcedElementImpl.internalSerializeAndConsume(OMSourcedElementImpl.java:664)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:918)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:947)
> at
> org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.serializeInternally(SOAPEnvelopeImpl.java:240)
> at
> org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.internalSerialize(SOAPEnvelopeImpl.java:228)
> at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:947)
> at
> org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImpl.java:471)
> at
> org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:79)
> at
> org.apache.axis2.transport.http.AxisRequestEntity.writeRequest(AxisRequestEntity.java:84)
> at
> org.apache.commons.httpclient.methods.EntityEnclosingMethod.writeRequestBody(EntityEnclosingMethod.java:499)
> at
> org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:2114)
> at
> org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1096)
> at
> org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398)
> at
> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
> at
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
> at
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:346)
> at
> org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(AbstractHTTPSender.java:542)
> at
> org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:189)
> at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:364)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:208)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:448)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:401)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:228)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
> at
> org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:548)
> at
> org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:528)
> Following this we looked into the Axiom sources as well, and see that in
> OMSourcedElementImpl, the dataSource is becoming null for some reason. We are
> creating a new datasource and in our auto-generated code, we could see that
> the data Source is set in the request OMElement
> public org.apache.axiom.om.OMElement getOMElement (
> final javax.xml.namespace.QName parentQName,
> final org.apache.axiom.om.OMFactory factory) throws
> org.apache.axis2.databinding.ADBException{
>
> org.apache.axiom.om.OMDataSource dataSource =
> new
> org.apache.axis2.databinding.ADBDataSource(this,MY_QNAME){
> public void
> serialize(org.apache.axis2.databinding.utils.writer.MTOMAwareXMLStreamWriter
> xmlWriter) throws javax.xml.stream.XMLStreamException {
>
> GetLocationsRequest.this.serialize(MY_QNAME,factory,xmlWriter);
> }
> };
> return new org.apache.axiom.om.impl.llom.OMSourcedElementImpl(
> MY_QNAME,factory,dataSource);
>
> }
> This issue has become very critical for us and any help / ideas /
> patches would be much appreciated. We had posted the same on Axis-user
> mailing list. There have been no responses so far. We are willing to provide
> any further information required.
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