Jakarta ee com.google.gwt.user.client.rpc.StatusCodeException:404_Jakarta Ee_Gwt_Error Handling

Jakarta ee com.google.gwt.user.client.rpc.StatusCodeException:404

jakarta-ee gwt error-handling

Jakarta ee com.google.gwt.user.client.rpc.StatusCodeException:404,jakarta-ee,gwt,error-handling,Jakarta Ee,Gwt,Error Handling,我在google GWT中有以下错误404： “谷歌应用程序引擎Java和GWT应用程序开发代码。” 这个叫做connactr的程序 [ERROR] [connectr] - com.google.gwt.user.client.rpc.StatusCodeException: 404 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>

我在google GWT中有以下错误404： “谷歌应用程序引擎Java和GWT应用程序开发代码。”

这个叫做connactr的程序

[ERROR] [connectr] - com.google.gwt.user.client.rpc.StatusCodeException: 404 <html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
<title>Error 404 NOT_FOUND</title>
</head>
<body>
<h2>HTTP ERROR: 404</h2>
<p>Problem accessing /connectr/loginService. Reason:
<pre>    NOT_FOUND</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>                                                                   
</body>
</html>

具有相关的impl类。你知道怎么了吗

提前谢谢大家,，

Idan。

404您共享的错误信息太少。您需要在服务器端共享gwt抛出的确切异常，以获得明确的答案

首先检查您是否有相关的impl类，以及它是否在claaspath中，即jetty应该加载它

检查它是否在从客户端进行rpc调用时实例化。rpc服务调用是否到达正确的服务impl

检查并解决impl在服务器端引发的任何异常

看起来或多或少是编码/编译问题-检查这是否与

  <!-- ===================== Login Service ===================== -->
  <servlet>
  <servlet-name>loginService</servlet-name>
  <servlet-class>com.metadot.book.connectr.server.LoginServiceImpl</servlet-class>

  </servlet>

 <servlet-mapping>
<servlet-name>loginService</servlet-name>
  <url-pattern>/connectr/loginService</url-pattern>
</servlet-mapping>

   java.lang.VerifyError: Expecting a stackmap frame at branch target 188 in method     com.metadot.book.connectr.server.servlets.LoginFilter.doFilter(Ljavax/servlet/ServletReques
t;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V at offset 8
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2404)
at java.lang.Class.getConstructor0(Class.java:2714)
at java.lang.Class.newInstance0(Class.java:343)
at java.lang.Class.newInstance(Class.java:325)
at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)
at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:92)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:662)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:197)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:241)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:148)
at com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngineLauncher.java:97)
at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509)
at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068)
at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811)
at com.google.gwt.dev.DevMode.main(DevMode.java:311)