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Struts 2.x No result defined for action 异常
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這是我跑struts2的第一個例子，跑的也夠郁悶的，這個問題煩了我?guī)讉€鐘。。。
?
| 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)
|
剛開始的login.jsp頁面代碼如下
| <%@?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>用戶登錄></caption>
????????????<tr>
????????????????<td>用戶名：<input?type="text"?name="username"/></td>
????????????</tr>
????????????<tr>
????????????????<td>密 碼：<input?type="text"?name="password"?/></td>
????????????</tr>
????????????<tr?align="center">
????????????????<td?colspan="2"><input?type="submit"?value="登錄"?name="submit"/><input?type="reset"?value="重置"name="reset"/></td>
????????????</tr>
????????</table>
????</form>
??</body>
</html>
|
LoginAction.java的代碼如下
| 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("驗證通過。。。");
????????????return?"success";
????????}
????????else
????????{
????????????System.out.println("驗證失敗....");
????????????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> |
?這個原因找了很久，網(wǎng)上說的原因也一大堆，關(guān)于格式轉(zhuǎn)換錯誤的我覺得都不可能，這是很簡單的一個例子。全都是String 類型的，壓根可能性很低。試了好幾個方法都不行。頭大了幾個鐘。后面網(wǎng)上看到了login.jsp頁面里面
form的action屬性的login.action和struts的action標(biāo)簽的name屬性要對應(yīng)，并且login的頭字母要大寫，也就是login.jsp里面form的action屬性要改為Login.action，而struts.xml文件里面的action的name 也要對應(yīng)的改為Login，發(fā)現(xiàn)這個錯誤真的很低級。當(dāng)然造成這個錯誤可能也有其他原因。這只是其中之一。 原文地址：http://blog.chinaunix.net/uid-9554081-id-2000842.html
轉(zhuǎn)載于:https://www.cnblogs.com/caiyao/p/4132886.html
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