Consume the webservice in PI Box

Dear Experts,
I have created a Java Class that calls a webservice deployed in PI 7.1. Below is the java code
     private String sendingDataToPISystem(String userName, String password, String endPointReference, String nameSpace, String serviceName, String localPart, Object inputData)
          String returnValue = null;
          try
               QName serviceQName = new QName(nameSpace, serviceName);
               QName portQName = new QName(nameSpace, localPart);
               Service service = Service.create(new URL(endPointReference), serviceQName);
               Map map = ((BindingProvider)service.getPort(portQName, serviceQName.getClass())).getRequestContext();
               map.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, endPointReference);
               map.put(BindingProvider.USERNAME_PROPERTY, userName);
               map.put(BindingProvider.PASSWORD_PROPERTY, password);
               service.addPort(portQName, HTTPBinding.HTTP_BINDING, new URI(endPointReference).toString());
               Dispatch<Object> dispatch = service.createDispatch(portQName, Object.class, Service.Mode.PAYLOAD);
               dispatch.invoke(inputData);
               returnValue = "SUCCESS";
          }catch(Exception exception)
               returnValue = "FAILURE";
               exception.printStackTrace();
          }finally
               return returnValue;
This code is not throwing any error but at the same time unable to make a call to webservice in PI box
Note: I am using NWDS CE 7.1 SP 10PAT0001
Please Advice what should be done, inorder to make my Java class work.

Hi Tiny,
Now when executed from java i am getting the following exception. Please help
javax.xml.ws.WebServiceException: SEI <javax.xml.namespace.QName> is not known to client ServiceContext!
at com.sap.engine.services.webservices.espbase.client.jaxws.core.SAPServiceDelegate.getPort(SAPServiceDelegate.java:237)
at javax.xml.ws.Service.getPort(Service.java:94)
at com.olam.iolam.services.IOLAMServices.sendingDataToPISystem(IOLAMServices.java:334)
at com.olam.iolam.services.IOLAMServices.fetchIOLAMRecords(IOLAMServices.java:162)
at com.olam.sourcewebservice.SourceWebService.fetchIOLAMRecords(SourceWebService.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.sap.engine.services.webservices.runtime.JavaClassImplementationContainer.invokeMethod(JavaClassImplementationContainer.java:96)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process0(RuntimeProcessingEnvironment.java:353)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.preProcess(RuntimeProcessingEnvironment.java:329)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process(RuntimeProcessingEnvironment.java:211)
at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPostWOLogging(ServletDispatcherImpl.java:155)
at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPostWithLogging(ServletDispatcherImpl.java:96)
at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPost(ServletDispatcherImpl.java:66)
at com.sap.engine.services.webservices.servlet.SOAPServletExt.doPost(SOAPServletExt.java:90)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:66)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:32)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:431)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:289)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:376)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:85)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:160)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:67)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:309)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.run(Processor.java:222)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:152)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:247)

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Regardings

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