Hi Ramidu, [found few typo error in previous reply] please do apologize.
Anyway what i need to know, How you terminate your client operations ? Anyway, found similar sort of issues reported [1] and possible workaround in [2] [1]https://wso2.org/jira/browse/CARBON-10439 [2]https://wso2.org/jira/browse/ESBJAVA-2419 Cheers, Dushan On Tue, Mar 11, 2014 at 9:37 PM, Dushan Abeyruwan <[email protected]> wrote: > Hi Ramidu > Can I know I you terminate your client operations? when searching issue > related to the stack you posted, it seems like the client handler shutdown > immediately but still there are some requests being processing. > > based on the searching [1] reported similar issue and to avoid what we > have suggested [2] > [1]https://wso2.org/jira/browse/CARBON-10439 > [2]https://wso2.org/jira/browse/ESBJAVA-2419 > > > Cheers, > Dushan > > > > > https://wso2.org/jira/browse/CARBON-10439 > > > > > On Tue, Mar 11, 2014 at 3:15 PM, Ramindu Deshapriya <[email protected]>wrote: > >> Hi, >> >> I have written 50+ Integration Tests for the Google Drive Cloud Connector >> using a ServiceClient to send messages to the ESB. I use the following >> method to build the client: >> >> public static OperationClient buildMEPClient(EndpointReference endpoint, >> OMElement request) throws AxisFault { >> >> ServiceClient serviceClient = new ServiceClient(); >> >> Options serviceOptions = new Options(); >> serviceOptions.setTo(endpoint); >> serviceOptions.setAction("mediate"); >> serviceClient.setOptions(serviceOptions); >> MessageContext messageContext = new MessageContext(); >> >> SOAPEnvelope soapEnvelope = >> TransportUtils.createSOAPEnvelope(request); >> messageContext.setEnvelope(soapEnvelope); >> OperationClient mepClient = >> serviceClient.createClient(ServiceClient.ANON_OUT_IN_OP); >> mepClient.addMessageContext(messageContext); >> return mepClient; >> } >> >> after which I call mepClient.execute(true) to receive a response in the >> following manner within each test: >> >> mepClient = ConnectorIntegrationUtil.buildMEPClient(new EndpointReference( >> getProxyServiceURL(CONNECTOR_NAME + "_" + >> methodName)), >> requestEnvelope); >> mepClient.execute(true); >> MessageContext responseMsgCtx = >> mepClient.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE); >> >> However, when running this test suite, sometimes I receive random >> NullPointerExceptions on different methods. Note that I do not get this >> exception on the same test methods, rather I might get it on one or two >> random methods during a single test run or I might not get it at all. The >> stack trace for a typical occurrence is; >> >> 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:451) >> at >> >> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:278) >> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442) >> at >> >> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:398) >> at >> >> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:224) >> at >> org.apache.axis2.client.OperationClient.execute(OperationClient.java:149) >> at >> >> org.wso2.carbon.connector.integration.test.googledrive.GoogledriveConnectorIntegrationTest.testgetCommentByIDOptionalParams(GoogledriveConnectorIntegrationTest.java:1316) >> >> In these instances, I have noticed that the correct response is returned >> by >> the backend API via monitoring the wire log, however, the test will simply >> fail giving the above stack trace. >> >> Is there any way to overcome this issue? >> >> Thanks. >> >> >> >> -- >> View this message in context: >> http://wso2-oxygen-tank.10903.n7.nabble.com/ESB-Getting-random-NullPointerException-on-Operation-Client-during-Connector-Integration-Tests-tp93294.html >> Sent from the WSO2 Development mailing list archive at Nabble.com. >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> > > > > -- > Dushan Abeyruwan | Associate Tech Lead > Integration Technologies Team > PMC Member Apache Synpase > WSO2 Inc. http://wso2.com/ > Blog:http://dushansview.blogspot.com/ > Mobile:(0094)713942042 > > -- Dushan Abeyruwan | Associate Tech Lead Integration Technologies Team PMC Member Apache Synpase WSO2 Inc. http://wso2.com/ Blog:http://dushansview.blogspot.com/ Mobile:(0094)713942042
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