Struts2标签错误：using Struts tags without the associat解决

<filter-mapping>       <filter-name>struts2</filter-name>       <url-pattern>*.jsp</url-pattern>   </filter-mapping>   <filter-mapping>       <filter-name>struts2</filter-name>       <url-pattern>/struts/*</url-pattern>   </filter-mapping>   

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