javax.servlet.ServletException: duplicate import: User
   at embarcador.database.web.plugin.HibernatePlugIn.initHibernate(HibernatePlugIn.java:162)
   at embarcador.database.web.plugin.HibernatePlugIn.init(HibernatePlugIn.java:121)
   at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:1158)
   at org.apache.struts.action.ActionServlet.init(ActionServlet.java:473)
   at javax.servlet.GenericServlet.init(GenericServlet.java:256)
   at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)
   at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
   at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3421)
   at org.apache.catalina.core.StandardContext.start(StandardContext.java:3609)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
   at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:307)
   at org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
   at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:492)
   at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:400)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
   at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358)
   at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
   at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
   at org.apache.catalina.core.StandardService.start(StandardService.java:497)
   at org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
   at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
   at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:324)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)