Hi all, I've partially fixed the problem by changing the call: sender.sendReceiveNonBlocking(payload, callback) with sender.sendReceiveNonBlocking(getPayload(), callback);
I've also tried to add the property options.setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE); as described here (http://www.wso2.net/kb/87) but in that case some messages (for some obscure reason) are not delivered. Michele Michele Mazzucco wrote: > Hi all, > > is it possible to send multiple request with the same > ServiceClient/OperationClient? If yes, could anybody explain me why I'm > getting a NullPointerException when multiple requests are issued with > the same sender object (please see the stack trace below)? I'm using the > latest nightly build and, if I'm right, I remember the same code worked > successfully some time ago. Any idea? > > Thanks, > Michele > > ERROR Sender$StressTestCallback:onError - Received error: > org.apache.axis2.AxisFault: java.lang.NullPointerException > at > org.apache.axis2.util.CallbackReceiver.receive(CallbackReceiver.java:65) > at org.apache.axis2.engine.AxisEngine.receiveFault(AxisEngine.java:589) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:281) > at > org.apache.axis2.transport.http.HTTPWorker.service(HTTPWorker.java:238) > at > org.apache.axis2.transport.http.server.DefaultHttpServiceProcessor.doService(DefaultHttpServiceProcessor.java:179) > at > org.apache.http.protocol.HttpService.handleRequest(HttpService.java:123) > at > org.apache.axis2.transport.http.server.DefaultHttpServiceProcessor.run(DefaultHttpServiceProcessor.java:246) > at > edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) > at > edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) > at java.lang.Thread.run(Thread.java:595) > Caused by: java.lang.Exception: org.apache.axis2.AxisFault: > java.lang.NullPointerException; nested exception is: > java.lang.NullPointerException > at > org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:185) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:709) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) > at > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667) > at > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) > at > org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) > at java.lang.Thread.run(Thread.java:595) > Caused by: java.lang.NullPointerException > at > org.apache.axis2.addressing.AddressingHelper.getAnonymousParameterValue(AddressingHelper.java:78) > at > org.apache.axis2.handlers.addressing.AddressingWSDLValidationHandler.checkAnonymous(AddressingWSDLValidationHandler.java:70) > at > org.apache.axis2.handlers.addressing.AddressingWSDLValidationHandler.invoke(AddressingWSDLValidationHandler.java:39) > at org.apache.axis2.engine.Phase.invoke(Phase.java:380) > at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:515) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:486) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:283) > at > org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:145) > ... 16 more > > at org.apache.axis2.AxisFault.<init>(AxisFault.java:159) > ... 10 more > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]