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HTTP Status 500 - Unable to instantiate Action, com.hy.action.StudentsAction, defined for 'Students_query' in namespace '/students'com.hy.action.StudentsAction

醒來(lái)的只是軀殼

2015-08-26

源自：使用Struts2+Hibernate開(kāi)發(fā)學(xué)生信息管理功能 3-5

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醒來(lái)的只是軀殼提問(wèn)者
2015-08-26

com.opensymphony.xwork2.XWorkException:?Unable?to?instantiate?Action,?com.hy.action.StudentsAction,??defined?for?'Students_query'?in?namespace?'/students'com.hy.action.StudentsAction
	at?com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:314)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:395)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:194)?~[xwork-core-2.3.24.jar:2.3.24]
	at?org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)?~[struts2-core-2.3.24.jar:2.3.24]
	at?org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37)?~[struts2-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)?~[xwork-core-2.3.24.jar:2.3.24]
	at?org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:554)?[struts2-core-2.3.24.jar:2.3.24]
	at?org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)?[struts2-core-2.3.24.jar:2.3.24]
	at?org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)?[struts2-core-2.3.24.jar:2.3.24]
	at?org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)?[catalina.jar:7.0.57]
	at?org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)?[catalina.jar:7.0.57]
	at?org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)?[catalina.jar:7.0.57]
	at?org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)?[catalina.jar:7.0.57]
	at?org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)?[catalina.jar:7.0.57]
	at?org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)?[catalina.jar:7.0.57]
	at?org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)?[catalina.jar:7.0.57]
	at?org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)?[catalina.jar:7.0.57]
	at?org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)?[catalina.jar:7.0.57]
	at?org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)?[catalina.jar:7.0.57]
	at?org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)?[tomcat-coyote.jar:7.0.57]
	at?org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)?[tomcat-coyote.jar:7.0.57]
	at?org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)?[tomcat-coyote.jar:7.0.57]
	at?org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)?[tomcat-coyote.jar:7.0.57]
	at?java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)?[?:1.8.0_45]
	at?java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)?[?:1.8.0_45]
	at?org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)?[tomcat-coyote.jar:7.0.57]
	at?java.lang.Thread.run(Thread.java:745)?[?:1.8.0_45]
Caused?by:?java.lang.ClassNotFoundException:?com.hy.action.StudentsAction
	at?org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)?~[catalina.jar:7.0.57]
	at?org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)?~[catalina.jar:7.0.57]
	at?com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:152)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:135)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:188)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:178)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.factory.DefaultActionFactory.buildAction(DefaultActionFactory.java:22)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:148)?~[xwork-core-2.3.24.jar:2.3.24]
	at?com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:295)?~[xwork-core-2.3.24.jar:2.3.24]
	...?26?more