登录成功后点击分类列表 2015-09-22 11:05:50,632There is no Action mapped for namespace /admin and action name showCategory. - [unknown location] at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:189) at org.apache.struts2.impl.StrutsA

登录成功后点击分类列表
2015-09-22 11:05:50,632There is no Action mapped for namespace /admin and action name showCategory. - [unknown location]
at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:189)
at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
at org.apache.struts2.components.ActionComponent.executeAction(ActionComponent.java:287)
at org.apache.struts2.components.ActionComponent.end(ActionComponent.java:173)
at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:42)
at org.apache.jsp.admin.allCategory_jsp._jspx_meth_s_005faction_005f0(allCategory_jsp.java:291)
at org.apache.jsp.admin.allCategory_jsp._jspService(allCategory_jsp.java:133)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:88)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:619)

struts.xml 配置如下

<?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>

	<constant name="struts.objectFactory" value="spring"/>

	<constant name="struts.configuration.xml.reload" value="true" />

	<constant name="struts.multipart.maxSize" value="5242880"/>

	<package name="struts2" extends="struts-default" namespace="/">

		<action name="loginAction" class="loginAction">

			<result name="success">admin/index.jsp</result>

			<result name="error">Login.jsp</result>

		</action>

		

		<action name="addArticle" class="addArticle">

			<result name="success">admin/addArticle.jsp</result>

		</action>

		

		<action name="deleteArticle" class="deleteArticle">

			<result name="success">admin/allArticle.jsp</result>

		</action>

		

		<action name="showAllArticle" class="showAllArticle">

			<result name="success">admin/allArticle.jsp</result>

		</action>

		

		<action name="showArticle" class="showArticle">

			<result name="success">article.jsp</result>

		</action>

		

		<action name="showArticleByCat" class="showArticleByCat">

			<result name="success">category.jsp</result>

		</action>

		

		<action name="showTopTenArticle" class="showTopTenArticle">

		</action>

		

		<action name="addComment" class="addComment">

			<result name="success">article.jsp</result>

		</action>

		

		<action name="deleteComment" class="deleteComment">

			<result name="success">admin/allComment.jsp</result>

		</action>

		

		<action name="showComment" class="showComment">

			<result name="success">article.jsp</result>

		</action>

		

		<action name="getAllComment" class="getAllComment">

			<result name="success">admin/allComment.jsp</result>

		</action>

		

		<action name="addAlbum" class="com.blog.action.AddAlbum">

			<result name="success">admin/allAlbum.jsp</result>

			<result name="error">admin/allAlbum.jsp</result>

		</action>

		

		<action name="deleteAlbum" class="com.blog.action.DeleteAlbum">

			<result name="success">admin/allAlbum.jsp</result>

		</action>

		

		<action name="showAlbum" class="com.blog.action.ShowAlbum">

		</action>

		

		<action name="photoUpload" class="com.blog.action.PhotoUpload">

			<result name="success">admin/allAlbum.jsp</result>

		</action>

		

		<action name="addCategory" class="addCategory">

			<result name="success">admin/allCategory.jsp</result>

		</action>

		

		<action name="showCategory" class="showCategory">

		</action>

		

		<action name="deleteCategory" class="deleteCategory">

			<result name="success">admin/allCategory.jsp</result>

		</action>

		

		<action name="showPhoto" class="com.blog.action.ShowPhoto">

			<result name="success">photo.jsp</result>

		</action>

		

		<action name="showRss" class="showRss">

			<result name="success">rss.xml</result>

		</action>

	</package>

</struts>    

web.xml 配置如下

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="3.0" 

	xmlns="http://java.sun.com/xml/ns/javaee" 

	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 

	http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

  <display-name></display-name>	

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

  

    <filter>

  	<filter-name>struts2</filter-name>

  	<filter-class>

  		org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter

  	</filter-class>

  </filter>

  <filter-mapping>

  	<filter-name>struts2</filter-name>

  	<url-pattern>/*</url-pattern>

  </filter-mapping>

  

  <context-param>

	<param-name>contextConfigLocation</param-name>

	<param-value>classpath:applicationContext.xml</param-value>

  </context-param>

  

  <listener>

		<listener-class>

			org.springframework.web.context.ContextLoaderListener

		</listener-class>

  </listener>

  

  <error-page>        

  	<error-code>404</error-code>        

  	<location>/404.jsp</location> 

  </error-page>

  

  <error-page>        

  	<error-code>500</error-code>        

  	<location>/404.jsp</location> 

  </error-page>

</web-app>

我很纳闷，然后到百度上搜了一下，发现铺天盖地的都是这个异常，长达14页多
根据网友回答反复尝试确认折腾一早上之后，还是没找到错误
我的struts.xml是在src目录下的 希望高手来帮忙一下。