Question

struts2.2.1升级为2.3.15.1时出现错误

2013-08-28 10:37:54,954 [main] ERROR [org.apache.struts2.dispatcher.Dispatcher] - Dispatcher initialization failed
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:132)
at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:514)
at com.opensymphony.xwork2.inject.ContainerImpl$8.call(ContainerImpl.java:547)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:584)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:545)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:258)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration

Answer 1

<!-- 新版的配置方法 -->
<filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>


<!-- 新版的配置方法2 -->
<filter>
    <filter-name>struts2Prepare</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
</filter>
<!-- 这中间可以加入sitemesh的过滤器，不在需要ActionContextCleanUp -->
<filter>
    <filter-name>struts2Execute</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
</filter>

Answer 2

看看web.xml中配置的 Dispatcher对不对，路径可能不对。
自己点开核心jar，看看能不能找到。

追问

核心jar包可以找到的