WebService has no input parameter throw unwinding exception

[Anonymous]

hi all:

 i create a webservice with no input parameter,

 the webservice design:

 

the job design:

when call the ws it throws the exception message below:

{http://www.talend.org/service/}GetAllMSNUM has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
	at org.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.createFault(AbstractJAXWSMethodInvoker.java:267)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
	at org.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.invoke(AbstractJAXWSMethodInvoker.java:232)
	at org.apache.cxf.jaxws.JAXWSMethodInvoker.invoke(JAXWSMethodInvoker.java:85)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:74)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$2.run(ServiceInvokerInterceptor.java:126)
	at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:131)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
	at org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:247)
	at org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:79)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1182)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1116)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
	at org.eclipse.jetty.server.Server.handle(Server.java:534)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at com.ctc.wstx.stax.WstxInputFactory.createSR(WstxInputFactory.java:770)
	at com.ctc.wstx.stax.WstxInputFactory.createXMLStreamReader(WstxInputFactory.java:345)
	at org.apache.cxf.staxutils.StaxUtils.createXMLStreamReader(StaxUtils.java:1801)
	at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:647)
	at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:586)
	at local_project.webservicexwebserviceporttype_getallmsnum_0_1.WebservicexWebServicePortType_GetAllMSNUM$ESBProvider_tESBProviderRequest_1.invoke(WebservicexWebServicePortType_GetAllMSNUM.java:583)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179)
	at org.apache.cxf.jaxws.JAXWSMethodInvoker.performInvocation(JAXWSMethodInvoker.java:66)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
	... 31 more

the  exported file is attached.

please help me, thank you