ssh关于命名空间的问题
搭建ssh框架做个小练习。出现以下错误。
The server encountered an internal error () that prevented it from fulfilling this request.

exception 

Unable to instantiate Action, StudentAction, defined for 'addStudent' in namespace '/'StudentAction
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:319)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:400)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:194)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:501)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)


web.xml文件配置是这样的。
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
  <display-name>Struts Blank</display-name>

  <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>

  <welcome-file-list>
  <welcome-file>index.html</welcome-file>
  </welcome-file-list>

</web-app>
struts.xml配置文件是这样的。

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
  <package name="default" namespace="/" extends="struts-default">  
  <action name="addStudent" class="StudentAction" method="addStudent">
  <result name="succ">succ.jsp</result>
  </action>  
  </package>
</struts>
哪位前辈指点一二，不胜感激

------解决方案--------------------
namespace="/"去掉

class="X.X.X.X.StudentAction" 加上包名
------解决方案--------------------
看看bean id 和struts.xml里面的class匹配不匹配
我的异常网推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.aiyiweb.com/java-web/317.html