开发CXF客户端的时候，会报一下错误：
本来以为是CXF的错误，到最后发现竟然是json的错误！
需要加入以下一个jar包：
问题解决
警告: Application{http://webservice.hxb.its.ct.siemens.com/}TopoServiceImplService#{http://webservice.hxb.its.ct.siemens.com/}getToPoInfohas thrown exception, unwinding now
org.apache.cxf.interceptor.Fault:net/sf/json/JSONArray
atorg.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
atorg.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.createFault(AbstractJAXWSMethodInvoker.java:213)
atorg.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
atorg.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.invoke(AbstractJAXWSMethodInvoker.java:178)
atorg.apache.cxf.jaxws.JAXWSMethodInvoker.invoke(JAXWSMethodInvoker.java:66)
atorg.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:75)
atorg.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
atjava.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
atjava.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
atjava.util.concurrent.FutureTask.run(Unknown Source)
atorg.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
atorg.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:107)
atorg.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262)
atorg.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
atorg.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:237)
atorg.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:214)
atorg.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:194)
atorg.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:130)
atorg.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:225)
atorg.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:145)
atjavax.servlet.http.HttpServlet.service(HttpServlet.java:637)
atorg.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:201)
atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
atorg.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
atorg.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
atorg.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
atjava.lang.Thread.run(Unknown Source)
Caused by:java.lang.NoClassDefFoundError: net/sf/json/JSONArray
atcom.siemens.ct.its.hxb.server.ciinstance.service.external.impl.WSCIInstanceServiceImpl.getToPoInfo(WSCIInstanceServiceImpl.java:125)
atcom.siemens.ct.its.hxb.webservice.TopoServiceImpl.getToPoInfo(TopoServiceImpl.java:39)
atsun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
atsun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
atsun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
atjava.lang.reflect.Method.invoke(Unknown Source)
atorg.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
atorg.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
... 31more