title: "org.apache.cxf.interceptor.Fault: null while invoking" exception resolution please? I cannot find a reason for this. (logs attached)
body: <p>While consuming SOAP service, I am getting this error. I just dun get it what is the reason. it all works fine for invoking services methods with no arguments. I am not getting why parameters are not passed when I try to invoke a method with parameters. This message is for SOAP 1.1</p>
  
  <p>My SOAP Message is:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
       &lt;S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/"  
        xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance" 
  
      &lt;S:Header/&gt;
       &lt;S:Body&gt;
           &lt;ns2:addPerson xmlns:ns2="http://service.accounting.cassit.com/"&gt;
               &lt;fName xsi:type="xsd:string"&gt;vbn&lt;/fName&gt;
               &lt;lName xsi:type="xsd:string"&gt;yyyy&lt;/lName&gt;
               &lt;gender xsi:type="xsd:string"&gt;879&lt;/gender&gt;
               &lt;age xsi:type="xsd:int"&gt;90&lt;/age&gt;
           &lt;/ns2:addPerson&gt;
       &lt;/S:Body&gt;
   &lt;/S:Envelope&gt;
  </code></pre>
  
  <p>and exception is:</p>
  
  <pre><code>org.apache.cxf.interceptor.Fault: null while invoking public boolean com.aqi.service.PersonServiceImpl.addPerson(java.lang.String,java.lang.String,java.lang.String,int) with params [null, null, null, null].
      at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:159)
      at org.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.createFault(AbstractJAXWSMethodInvoker.java:86)
      at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:133)
      at org.apache.cxf.jaxws.JAXWSMethodInvoker.invoke(JAXWSMethodInvoker.java:61)
      at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:75)
      at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      at java.util.concurrent.FutureTask.run(FutureTask.java:138)
      at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
      at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:106)
      at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:255)
      at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:113)
      at org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:102)
      at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:464)
      at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:188)
      at org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java:148)
      at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:179)
      at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:103)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
      at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:159)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
      at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
      at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
      at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
      at java.lang.Thread.run(Thread.java:619)
  Caused by: java.lang.IllegalArgumentException
      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:597)
      at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:173)
      at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:89)
  </code></pre>