json数据传回前台报错。
2011-05-22 11:19:58,640 ERROR [org.apache.struts.actions.DispatchAction] - <Dispatch[/getSbdmlist] to method 'getSbzt' returned an exception>java.lang.reflect.InvocationTargetException 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.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270) at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187) at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at cn.com.sedee.centermanager.appclass.CharacterEncodingFitler.doFilter(CharacterEncodingFitler.java:29) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source)Caused by: java.lang.NoClassDefFoundError: net/sf/ezmorph/Morpher at cn.com.sedee.struts.action.SbdmbAction.outPrint(SbdmbAction.java:121) at cn.com.sedee.struts.action.SbdmbAction.getSbzt(SbdmbAction.java:103) ... 36 more2011-05-22 11:19:58,640 WARN [org.apache.struts.action.RequestProcessor] - <Unhandled Exception thrown: class javax.servlet.ServletException>2011-5-22 11:19:58 org.apache.catalina.core.StandardWrapperValve invoke严重: Servlet.service() for servlet action threw exceptionjava.lang.NoClassDefFoundError: net/sf/ezmorph/Morpher at cn.com.sedee.struts.action.SbdmbAction.outPrint(SbdmbAction.java:121) at cn.com.sedee.struts.action.SbdmbAction.getSbzt(SbdmbAction.java:103) 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.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270) at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187) at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at cn.com.sedee.centermanager.appclass.CharacterEncodingFitler.doFilter(CharacterEncodingFitler.java:29) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source)
public ActionForward getSbzt(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, InterruptedException { Map model=new HashMap(); String strid=(String)request.getParameter("paramid"); List<Sbdmb> list=sbdmbService.getSbdmb(strid); PingSBZT pingSBZT = new PingSBZT(); List objlist=new ArrayList(); for (int i = 0; i < list.size(); i++) { String sbmc = list.get(i).getSbmc().toString(); String sbip = list.get(i).getSbip().toString(); String zt = pingSBZT.pingSBZT(sbip); System.out.println("设备名称:"+sbmc+":"+zt); SbdmbDto dto=new SbdmbDto(); dto.setId(list.get(i).getSbId()); dto.setSbmc(sbmc); dto.setSbzt(list.get(i).getSbzt()); dto.setSblx(list.get(i).getSblxb().getSblxmc()); dto.setSbip(sbip); dto.setLjzt(zt); objlist.add(dto); } model.put("sbdmlist", objlist); outPrint(request,response,model); return null; } public void outPrint(HttpServletRequest request, HttpServletResponse response, Map model) { PrintWriter writer = null; response.setContentType("text/text; charset=utf-8"); try { writer = response.getWriter(); } catch (IOException e) { model.put("error", "error.action.AjaxAction.outprint_writer"); } if (model.isEmpty()) writer.println("0"); else { prePrint(request, response, model); JSONObject json = new JSONObject(); json.putAll(model); writer.println(json); writer.close(); } }prePrint(request, response, model); 121 JSONObject json = new JSONObject(); json.putAll(model); writer.println(json); writer.close();