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出现一个很诡异的有关问题,一直没解决,求解决办法

2013-12-28 
出现一个很诡异的问题,一直没解决,求解决方法HTTP Status 500 - Unable to instantiate Action, RegeditAc

出现一个很诡异的问题,一直没解决,求解决方法
HTTP Status 500 - Unable to instantiate Action, RegeditAction, defined for 'regedit' in namespace '/'RegeditAction

--------------------------------------------------------------------------------

type Exception report

message Unable to instantiate Action, RegeditAction, defined for 'regedit' in namespace '/'RegeditAction

description The server encountered an internal error that prevented it from fulfilling this request.

exception 

Unable to instantiate Action, RegeditAction,  defined for 'regedit' in namespace '/'RegeditAction
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:307)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:388)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:187)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:76)


root cause 

java.lang.ClassNotFoundException: RegeditAction
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:146)
com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)
com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:212)
com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:132)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139)
com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:109)
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:288)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:388)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:187)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:76)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.37 logs.

无法实例化,到底是哪里出问题了?
[解决办法]
没用Spring

<action name="regedit" class="com.myEdition.action.RegeditAction">

用Spring就检查struts2-spring支持包和spring配置

[解决办法]
java.lang.ClassNotFoundException: RegeditAction
<action name= "regedit" class="RegeditAction" method="execute">
写全称,若要简写请集成spring。

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