Ajax Request background Data return exception and prompt 404 method name does not exist

1, the normal use of Ajax to the background data, the prompt method name does not exist, the Ajax front-end normal, method class Bean injection Normal, the method annotation is normal. However, an exception occurred while parsing the parameter.

@RequestMapping (value= "/getproject") @ResponseBodypublic map<string,object> getproject (@RequestBody map< String, object> paramap,httpservletrequest request) {map<string, object> Map = new hashmap<string, Object > (); String projectName = (string) paramap.get ("ProjectName");

An exception occurred during a strong turn and was not captured. Specifically why this anomaly will affect the request for the resolution is not yet known, there is a big God know please leave a message to explain, thank you.

2. The method cannot return the data directly to the page after normal flow. Tip exceptions are as follows:

October 19, 2016 2:36:47 pm org.apache.catalina.core.StandardWrapperValve invoke severity: Servlet.service () for Servlet Spring-mvc t Hrew exceptionjavax.servlet.ServletException:File "/jsp/error.jsp" not Foundat Org.apache.jasper.servlet.JspServlet.handleMissingResource (jspservlet.java:335) at Org.apache.jasper.servlet.JspServlet.serviceJspFile (jspservlet.java:301) at Org.apache.jasper.servlet.JspServlet.service (jspservlet.java:260) at Javax.servlet.http.HttpServlet.service ( httpservlet.java:723) 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.ApplicationDispatcher.invoke ( applicationdispatcher.java:646) at Org.apache.catalina.core.ApplicationDispatcher.doInclude ( applicationdispatcher.java:551) at Org.apache.catalina.core.ApplicationDispatcher.include ( applicationdispatcher.java:488) at Org.springframework.web.servlet.view.InternalResourCeview.rendermergedoutputmodel (internalresourceview.java:229) at Org.springframework.web.servlet.view.AbstractView.render (abstractview.java:264) at Org.springframework.web.servlet.DispatcherServlet.render (dispatcherservlet.java:1208) at Org.springframework.web.servlet.DispatcherServlet.processDispatchResult (dispatcherservlet.java:992) at Org.springframework.web.servlet.DispatcherServlet.doDispatch (dispatcherservlet.java:939) at Org.springframework.web.servlet.DispatcherServlet.doService (dispatcherservlet.java:856) at Org.springframework.web.servlet.FrameworkServlet.processRequest (frameworkservlet.java:920) at Org.springframework.web.servlet.FrameworkServlet.doPost (frameworkservlet.java:827) at Javax.servlet.http.HttpServlet.service (httpservlet.java:643) at Org.springframework.web.servlet.FrameworkServlet.service (frameworkservlet.java:801) at Javax.servlet.http.HttpServlet.service (httpservlet.java:723) at Org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (Applicationfilterchain.java:290) at Org.apache.catalina.core.ApplicationFilterChain.doFilter (applicationfilterchain.java:206) at Org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal (hiddenhttpmethodfilter.java:77) at Org.springframework.web.filter.OncePerRequestFilter.doFilter (onceperrequestfilter.java:107) at Org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (applicationfilterchain.java:235) at Org.apache.catalina.core.ApplicationFilterChain.doFilter (applicationfilterchain.java:206) at Com.zhaopin.common.filter.SessionFilter.doFilter (sessionfilter.java:111) 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:88) at Org.springframework.web.filter.OncePerRequestFilter.doFilter (onceperrequestfilter.java:107) 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:103) at Org.apache.catalina.core.StandardEngineValve.invoke (standardenginevalve.java:109) at Org.apache.catalina.connector.CoyoteAdapter.service (coyoteadapter.java:293) at Org.apache.coyote.http11.Http11Processor.process (http11processor.java:861) at Org.apache.coyote.http11.http11protocol$http11connectionhandler.process (http11protocol.java:606) at Org.apache.tomcat.util.net.jioendpoint$worker.run (jioendpoint.java:489) at Java.lang.Thread.run (thread.java:745)

Online search-related information is repeated submissions of data. Check front end discovery, add a <a href= "" > in front of the button that binds the point-click event. This href= "" affected the response jump caused.

Depressed notes under these "accident" stories, the Memory (debugging Pain) Remember (simple bug waste time) ........ ........

Ajax Request background Data return exception and prompt 404 method name does not exist