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https://issues.apache.org/jira/browse/AXIS2-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ruwan Linton updated AXIS2-4809:
--------------------------------
Comment: was deleted
(was: As we do not have enough information to proceed on this)
> 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
> Assignee: Isuru Eranga Suriarachchi
> 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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