超市管理系统

进入了主界面，但是点击没反应

出现下面错误

com.microsoft.sqlserver.jdbc.SQLServerException: Connection reset

创建数据库连接失败！

at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(Unknown Source)

at com.microsoft.sqlserver.jdbc.TDSChannel.read(Unknown Source)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.Prelogin(Unknown Source)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(Unknown Source)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.loginWithoutFailover(Unknown Source)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)

at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at com.mingrisoft.dao.GetConnection.getCon(GetConnection.java:21)

at com.mingrisoft.dao.FeelDao.selectProvide(FeelDao.java:40)

at com.mingrisoft.panel.FeelWarePanel.getMessage(FeelWarePanel.java:176)

at com.mingrisoft.mainFrame.RemoveButtomFrame$1.valueChanged(RemoveButtomFrame.java:170)

at javax.swing.JTree.fireValueChanged(Unknown Source)

at javax.swing.JTree$TreeSelectionRedirector.valueChanged(Unknown Source)

at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(Unknown Source)

at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(Unknown Source)

at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(Unknown Source)

at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(Unknown Source)

at javax.swing.JTree.setSelectionPath(Unknown Source)

at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(Unknown Source)

at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(Unknown Source)

at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressed(Unknown Source)

at java.awt.Component.processMouseEvent(Unknown Source)

at javax.swing.JComponent.processMouseEvent(Unknown Source)

at java.awt.Component.processEvent(Unknown Source)

at java.awt.Container.processEvent(Unknown Source)

at java.awt.Component.dispatchEventImpl(Unknown Source)

at java.awt.Container.dispatchEventImpl(Unknown Source)

at java.awt.Component.dispatchEvent(Unknown Source)

at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)

at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)

at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)

at java.awt.Container.dispatchEventImpl(Unknown Source)

at java.awt.Window.dispatchEventImpl(Unknown Source)

at java.awt.Component.dispatchEvent(Unknown Source)

at java.awt.EventQueue.dispatchEventImpl(Unknown Source)

at java.awt.EventQueue.access$500(Unknown Source)

at java.awt.EventQueue$3.run(Unknown Source)

at java.awt.EventQueue$3.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)

at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)

at java.awt.EventQueue$4.run(Unknown Source)

at java.awt.EventQueue$4.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)