我想创建一个简单的 Web 项目应用程序。我正在使用 struts2 和 hibernate,我对这两个框架都是新手,我收到了这个错误:
无法实例化操作,org.project.actions.UserAction,为命名空间'/'中的'saveUser'定义需要使用AnnotationConfiguration实例 com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java: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.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) 根本原因 org.hibernate.MappingException:需要使用 AnnotationConfiguration 实例 org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1634) org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1589) org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1568) org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1542) org.hibernate.cfg.Configuration.configure(Configuration.java:1462) org.hibernate.cfg.Configuration.configure(Configuration.java:1448) org.project.actions.UserAction.(UserAction.java:23) sun.reflect.NativeConstructorAccessorImpl.newInstance0(本机方法) sun.reflect.NativeConstructorAccessorImpl.newInstance(未知来源) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(未知来源) java.lang.reflect.Constructor.newInstance(未知来源) java.lang.Class.newInstance0(未知来源) java.lang.Class.newInstance(未知来源) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:119) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:150) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139) com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:109) com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:287) 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.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)
我曾尝试使用 AnnotationConfiguration() 创建 SessionFactory,但出现同样的错误。请帮忙。提前致谢。