Struts 2.x No result defined for action 异常

这是我跑struts2的第一个例子，跑的也够郁闷的，这个问题烦了我几个钟。。。

2011-5-10 10:10:17 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn 警告: Could not find action or result No result defined for action com.augur.action.LoginAction and result success at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:364) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266) at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252) atorg.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488) at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395) 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.Http11AprProcessor.process(Http11AprProcessor.java:864) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1665) at java.lang.Thread.run(Thread.java:662)

刚开始的login.jsp页面代码如下

<%@ page language="java" contentType="text/html; charset=gbk" pageEncoding="gbk"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk"> <title>My JSP 'index.jsp' starting page</title> </head> <body> <form action="login.action" method="post"> <table align="center"> <caption>用户登录></caption> <tr> <td>用户名：<input type="text" name="username"/></td> </tr> <tr> <td>密  码：<input type="text" name="password" /></td> </tr> <tr align="center"> <td colspan="2"><input type="submit" value="登录" name="submit"/><input type="reset" value="重置"name="reset"/></td> </tr> </table> </form> </body> </html>

LoginAction.java的代码如下

package com.augur.action;

public class LoginAction { private String username; private String password; public String getUsername() { return username; }

public void setUsername(String username) { this.username = username; }

public String getPassword() { return password; }

public void setPassword(String password) { this.password = password; }

public String execute() throws Exception { if("1".equals(getUsername()) && "1".equals(getPassword())) { System.out.println("验证通过。。。"); return "success"; } else { System.out.println("验证失败...."); return "failure"; } } }

struts.xml文件如下

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1/EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <package name="struts2" extends="struts-default"> <action name="login" class="com.augur.action.LoginAction"> <result name="success">/welcome.jsp</result> <result name="failure">/error.jsp</result> </action> </package> </struts>

这个原因找了很久，网上说的原因也一大堆，关于格式转换错误的我觉得都不可能，这是很简单的一个例子。全都是String 类型的，压根可能性很低。试了好几个方法都不行。头大了几个钟。后面网上看到了login.jsp页面里面form的action属性的login.action和struts的action标签的name属性要对应，并且login的头字母要大写，也就是login.jsp里面form的action属性要改为Login.action，而struts.xml文件里面的action的name 也要对应的改为Login，发现这个错误真的很低级。当然造成这个错误可能也有其他原因。这只是其中之一。

原文地址：http://blog.chinaunix.net/uid-9554081-id-2000842.html

转载于:https://www.cnblogs.com/caiyao/p/4132886.html

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