运行struct2错误的解决办法

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1、Strutshasdetectedanunhandledexception:Messages:1.com.bjsxt.struts2.action.TeacherAction2.UnabletoinstantiateAction,com.bjsxt.struts2.action.TeacherAction,definedfor'Teacher_add'innamespace'/actions'com.bjsxt.struts2.action.TeacherActionFile:org/apache/catalina/loader/WebappC

2、lassLoader.javaLinenumber:1,387StacktracesUnabletoinstantiateAction,com.bjsxt.struts2.action.TeacherAction,definedfor'Teacher_add'innamespace'/actions'com.bjsxt.struts2.action.TeacherActioncom.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.j

3、ava:306)com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:387)com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:186)org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)org.apache.struts2.impl.St

4、rutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)org.apache.struts2.dispa

5、tcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:76)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.jav

6、a:235)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)org.apache.cat

7、alina.core.StandardHostValve.invoke(StandardHostValve.java:128)org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)org.apache.catalina.connector.CoyoteAdapter.service(Co

8、yoteAdapter.java:286)org.apache.coyote.http11.Http11AprProcessor.process(Ht