<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>
错因:filter-name上下文不一致
改正:
filter-name上下必须得一样
总结:
常常会因为tomcat的配置文件部署出错导致无法启动tomcat