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Thread: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: Communications link failure

  1. #1
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    Default com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: Communications link failure

    com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: Communications link failure

    The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Construc tor.java:525)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:41 1)
    at com.mysql.jdbc.SQLError.createCommunicationsExcept ion(SQLError.java:1117)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:350)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(Connecti onImpl.java:2393)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(Co nnectionImpl.java:2430)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(Connecti onImpl.java:2215)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImp l.java:813)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connect ion.java:47)
    at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Construc tor.java:525)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:41 1)
    at com.mysql.jdbc.ConnectionImpl.getInstance(Connecti onImpl.java:399)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonReg isteringDriver.java:334)
    at java.sql.DriverManager.getConnection(DriverManager .java:579)
    at java.sql.DriverManager.getConnection(DriverManager .java:221)
    at lotus.Login.jButton1MouseClicked(Login.java:138)
    at lotus.Login.access$000(Login.java:21)
    at lotus.Login$1.mouseClicked(Login.java:63)
    at java.awt.AWTEventMulticaster.mouseClicked(AWTEvent Multicaster.java:270)
    at java.awt.Component.processMouseEvent(Component.jav a:6508)
    at javax.swing.JComponent.processMouseEvent(JComponen t.java:3321)
    at java.awt.Component.processEvent(Component.java:627 0)
    at java.awt.Container.processEvent(Container.java:222 9)
    at java.awt.Component.dispatchEventImpl(Component.jav a:4861)
    at java.awt.Container.dispatchEventImpl(Container.jav a:2287)
    at java.awt.Component.dispatchEvent(Component.java:46 87)
    at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:4832)
    at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:4501)
    at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:4422)
    at java.awt.Container.dispatchEventImpl(Container.jav a:2273)
    at java.awt.Window.dispatchEventImpl(Window.java:2719 )
    at java.awt.Component.dispatchEvent(Component.java:46 87)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.j ava:723)
    at java.awt.EventQueue.access$200(EventQueue.java:103 )
    at java.awt.EventQueue$3.run(EventQueue.java:682)
    at java.awt.EventQueue$3.run(EventQueue.java:680)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:76)
    at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:87)
    at java.awt.EventQueue$4.run(EventQueue.java:696)
    at java.awt.EventQueue$4.run(EventQueue.java:694)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:76)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java: 693)
    at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:244)
    at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:163)
    at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:151)
    at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:147)
    at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:139)
    at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:97)
    Caused by: java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(Du alStackPlainSocketImpl.java:69)
    at java.net.AbstractPlainSocketImpl.doConnect(Abstrac tPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress( AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractP lainSocketImpl.java:182)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.j ava:157)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.j ava:391)
    at java.net.Socket.connect(Socket.java:579)
    at java.net.Socket.connect(Socket.java:528)
    at java.net.Socket.<init>(Socket.java:425)
    at java.net.Socket.<init>(Socket.java:241)
    at com.mysql.jdbc.StandardSocketFactory.connect(Stand ardSocketFactory.java:257)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)


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    Default Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: Communications link failure

    Did you have a question about your com.mysql.jdbc.exceptions.jdbc4.CommunicationsExce ption: or are you logging your progress here?

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