om.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Invalid state, the Connection object is closed.
at com.jfinal.plugin.activerecord.Model.find(Model.java:565)
at com.gxkj.backstage.model.LackWork.findAll(LackWork.java:34)
at com.gxkj.backstage.controller.MainIndexController.jqgz(MainIndexController.java:132)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.jfinal.aop.Invocation.invoke(Invocation.java:73)
at com.gxkj.core.interceptor.PermissionInterceptor.intercept(PermissionInterceptor.java:61)
at com.jfinal.aop.Invocation.invoke(Invocation.java:67)
at com.gxkj.core.interceptor.SessionInter