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POHow to fix java.rmi.ConnectionException in java?
 

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  1. POHow to fix java.rmi.ConnectionException in java?
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    <p>I have a Java application with 3 projects. Server, Common and Client. When I'm going to get the stub using Naming.lookup, an error raised. Here is the Exception</p> <pre><code>java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: java.net.ConnectException: Connection timed out: connect at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619) at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216) at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202) at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:340) at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source) at java.rmi.Naming.lookup(Naming.java:101) at com.simulator.connector.ServerConnector.&lt;init&gt;(ServerConnector.java:60) at com.simulator.connector.ServerConnector.getServerConnector(ServerConnector.java:85) at com.simulator.ui.tester.LoginUI.initServer(LoginUI.java:65) at com.simulator.ui.tester.LoginUI.btLoginActionPerformed(LoginUI.java:268) at com.simulator.ui.tester.LoginUI.access$200(LoginUI.java:40) at com.simulator.ui.tester.LoginUI$3.actionPerformed(LoginUI.java:126) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at com.jtattoo.plaf.BaseButtonListener.mouseReleased(BaseButtonListener.java:60) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:688) at java.awt.EventQueue$3.run(EventQueue.java:686) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:702) at java.awt.EventQueue$4.run(EventQueue.java:700) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:699) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) Caused by: java.net.ConnectException: Connection timed out: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:69) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391) at java.net.Socket.connect(Socket.java:579) at java.net.Socket.connect(Socket.java:528) at java.net.Socket.&lt;init&gt;(Socket.java:425) at java.net.Socket.&lt;init&gt;(Socket.java:208) at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:146) at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613) ... 48 more </code></pre> <p>Server,</p> <pre><code>private void startServer() throws RemoteException { Registry registry = LocateRegistry.createRegistry(1099); registry.rebind("MyServer", new RemoteFactoryImpl()); } </code></pre> <p>Client,</p> <pre><code>private ServerConnector() throws NotBoundException, MalformedURLException, RemoteException { try { remoteFactory = (RemoteFactory) Naming.lookup("rmi://localhost:1099/MyServer"); } catch (ConnectException ex) { ex.printStackTrace(); } catch (UnknownHostException ex) { ex.printStackTrace(); } catch (NotBoundException ex) { ex.printStackTrace(); } catch (MalformedURLException ex) { ex.printStackTrace(); } catch (RemoteException ex) { ex.printStackTrace(); } } </code></pre> <p>When I run this program I got that error after 10 seconds. </p>
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    1. USBilbo Baggins
    1. USuser2999888
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    1. COdo you have the server running before running the client?
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      1. POHow to fix java.rmi.ConnectionException in java?
      1. USSionnach733
    2. COYes. I run the server and then run the client
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      1. USuser2999888
    3. COcan you show the main methods where you run each? do you have a while loop in the server code so that it keeps running?
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      1. POHow to fix java.rmi.ConnectionException in java?
      1. USSionnach733
 

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