严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
struts2中StrutsPrepareAndExecuteFilter 异常如果是2.1.3之前的版本用org.apache.struts2.dispatcher.FilterDispatcher,否则用org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter。
因为从Struts2.1.3开始,将废弃ActionContextCleanUp过滤器,而在StrutsPrepareAndExecuteFilter过滤器中包含相应的功能。在web.xml中做修改红色字体部分
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>actionPackages</param-name>
<param-value>com.cjm.web.action</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
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