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https://issues.apache.org/jira/browse/AXIS2-5944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16727056#comment-16727056
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Andreas Veithen commented on AXIS2-5944:
----------------------------------------
The line where the {{NullPointerException}} is thrown is:
{code:java}
ClusteringAgent clusteringAgent =
cc.getAxisConfiguration().getClusteringAgent();
{code}
{{cc}} is the {{ConfigurationContext}} and there is a null check right before,
so the only possible reason is that the {{AxisConfiguration}} is null. That
would happen after calling {{terminate}} on the {{ConfigurationContext}}.
So probably there is a bug in your application where you use a stub or
{{ServiceClient}} after destroying the {{ConfigurationContext}}.
> NullPointer Exception on AbstractContext.needPropertyDifferences
> ----------------------------------------------------------------
>
> Key: AXIS2-5944
> URL: https://issues.apache.org/jira/browse/AXIS2-5944
> Project: Axis2
> Issue Type: Bug
> Affects Versions: 1.6.2
> Reporter: Santosh Raman
> Priority: Critical
>
> In Production, we are seeing NullPointer exception being thrown randomly when
> calling an Axis2 webservice.
> From the stack trace it looks like it happens when the axis2 client is
> trying to process the response.
> The webservice calls an ESB layer and the ESB layer calls the external
> interface.The ESB layer is just a pass through.
> The stack trace is
> Caused by: java.lang.NullPointerException
> at
> org.apache.axis2.context.AbstractContext.needPropertyDifferences(AbstractContext.java:239)
> at
> org.apache.axis2.context.AbstractContext.setProperty(AbstractContext.java:202)
> at
> org.apache.axis2.transport.http.HTTPSender.handleResponse(HTTPSender.java:270)
> at org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:194)
> at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:404)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:231)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:443)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
> at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
> at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:555)
> at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:531)
> at
> curam.custom.webservices.edrs.impl.NFWSElectronicDQRecipientService.onlineQueryByID(NFWSElectronicDQRecipientService.java:175)
> at
> curam.custom.webservices.edrs.impl.NFElectronicDQUtil.invokeOnlineQueryByID(NFElectronicDQUtil.java:452)
> at
> curam.custom.nfprogramintegrity.disqualification.facade.impl.NFEPIDisqualification.getElectornicDQDetailsListBySsn(NFEPIDisqualification.java:555)
> at
> curam.custom.nfprogramintegrity.disqualification.facade.impl.NFEPIDisqualification.getDQSearchRecordsFromEDRS(NFEPIDisqualification.java:491)
> at sun.reflect.GeneratedMethodAccessor352.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
> at java.lang.reflect.Method.invoke(Method.java:508)
> at curam.util.internal.CuramSessionBean.invoke(CuramSessionBean.java:297)
>
> Thanks
> Santosh
>
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