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《JSP项目开发案例》中的第一个都市信息系统有疑问（2）
发表在JavaWeb图书答疑
2014-03-24
是否精华
是
否
版块置顶:
是
否
请老师帮我看看我这个运行提示到底是哪里出了问题？
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Filter execution threw an exception
root cause
java.lang.NoClassDefFoundError: Could not initialize class com.yxq.action.IndexAction
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:123)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:154)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:143)
com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:113)
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:275)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:365)
com.opensymphony.xwork2.DefaultActionInvocation.access$000(DefaultActionInvocation.java:38)
com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:83)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.<init>(DefaultActionInvocation.java:74)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:189)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:41)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:494)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.27 logs.
Apache Tomcat/7.0.27
离成功运行项目仅一步之遥，真是着急啊。另外我将01项目导入eclipse会出现小红叉，里面的错误不会改，怎么办啊？为什么给我们的项目要么导入eclipse时没有project,要么就是导入了，却出现小红叉？不是应该给我们些没有问题的项目吗？我们这些初学者看到这么多代码都不认识怎么改呢？
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Filter execution threw an exception
root cause
java.lang.NoClassDefFoundError: Could not initialize class com.yxq.action.IndexAction
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:123)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:154)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:143)
com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:113)
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:275)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:365)
com.opensymphony.xwork2.DefaultActionInvocation.access$000(DefaultActionInvocation.java:38)
com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:83)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.<init>(DefaultActionInvocation.java:74)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:189)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:41)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:494)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.27 logs.
Apache Tomcat/7.0.27
离成功运行项目仅一步之遥，真是着急啊。另外我将01项目导入eclipse会出现小红叉，里面的错误不会改，怎么办啊？为什么给我们的项目要么导入eclipse时没有project,要么就是导入了，却出现小红叉？不是应该给我们些没有问题的项目吗？我们这些初学者看到这么多代码都不认识怎么改呢？
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