@Jfinal  你好，项目中遇到下面的异常，按网上的解决方案都试过了，可仍然没办法解决，能否帮忙解决，感谢. Jfinal版本是1.4的

[ERROR]-[Thread: qtp176942404-36]-[com.jfinal.core.ActionHandler.handle()]: /login

com.jfinal.plugin.activerecord.ActiveRecordException: java.lang.RuntimeException: The TableMapping of model: com.canyou.model.User not exists. Please add mapping to ActiveRecordPlugin(activeRecordPlugin.addMapping(tableName, YourModel.class)).

at com.jfinal.plugin.activerecord.Model.find(Model.java:424)

at com.jfinal.plugin.activerecord.Model.findFirst(Model.java:453)

at com.canyou.service.LoginService.findByUserName(LoginService.java:132)

at com.canyou.service.LoginService.login(LoginService.java:59)

at com.canyou.controller.LoginController.login(LoginController.java:73)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:55)

at com.canyou.shiro.ShiroInterceptor.intercept(ShiroInterceptor.java:97)

at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:51)

at com.jfinal.core.ActionHandler.handle(ActionHandler.java:73)

at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:72)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)

at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)

at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)

at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)

at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)

at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)

at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)

at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)

at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)

at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)

at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)

at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)

at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)

at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)

at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)

at org.eclipse.jetty.server.Server.handle(Server.java:365)

at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)

at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:937)

at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:998)

at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:856)

at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)

at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)

at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)

at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)

at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)

at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.RuntimeException: The TableMapping of model: com.canyou.model.User not exists. Please add mapping to ActiveRecordPlugin(activeRecordPlugin.addMapping(tableName, YourModel.class)).

at com.jfinal.plugin.activerecord.TableInfoMapping.getTableInfo(TableInfoMapping.java:42)

at com.jfinal.plugin.activerecord.Model.checkTableName(Model.java:434)

at com.jfinal.plugin.activerecord.Model.find(Model.java:397)

at com.jfinal.plugin.activerecord.Model.find(Model.java:422)

... 44 more