The Struts dispatcher cannot be found在struts2中出现的问题

 
The Struts dispatcher cannot be found.  This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for this tag. - [unknown location]
 at org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:60)
 at org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:44)
 at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:48)


解决办法:
1.引入
<%@ taglib prefix="s"  uri="/struts-tags" %>

2.在web.xml中未将拦截的*.action改成/* 

 

 <filter>
  	<filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>  
  </filter>
  <filter-mapping>
  	<filter-name>struts2</filter-name>
	<url-pattern>/*</url-pattern>
  </filter-mapping>

 

 

一般第二种 情况比较多。是没有改WEB.XML中的拦截

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