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POJava RMI NotBoundException while executing with ant
 

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  1. POJava RMI NotBoundException while executing with ant
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    <p>I'm trying to write a little game with Java RMI and I have to use Apache Ant to run it. Unfortunately, when I use ant to execute the server and the client jar, it crashes with a NotBoundException. But when I execute the jars via command line (java -jar ...), everything works fine. I can't figure out what's going wrong with the ant script.</p> <p>Important Server Code:</p> <pre><code>public class GameServer extends UnicastRemoteObject implements IGameServer { public GameServer() throws RemoteException { //... } // some methods here public static void main(String[] args) throws RemoteException { RemoteServer.setLog(System.out); // create new GameServer Object and make it available via the Registry LocateRegistry.createRegistry(Registry.REGISTRY_PORT); Registry registry = LocateRegistry.getRegistry(); GameServer server = new GameServer(); registry.rebind("GameServer", server); } } </code></pre> <p>Important Client Code:</p> <pre><code>public class GameClient extends UnicastRemoteObject implements IGameClient { public GameClient(String name) throws RemoteException, NotBoundException { this.name = name; Registry registry = LocateRegistry.getRegistry(); server = (IGameServer) registry.lookup("GameServer"); server.login(this.name, this); } // some methods here } </code></pre> <p>The Important Ant Code:</p> <pre><code>&lt;target name="jar" depends="compile"&gt; &lt;jar destfile="${export}/FlyHuntClient.jar"&gt; &lt;fileset dir="${build}" /&gt; &lt;fileset dir="." includes="res/**" /&gt; &lt;manifest&gt; &lt;attribute name="Main-Class" value="client.GameClientLauncher" /&gt; &lt;attribute name="Class-Path" value="./" /&gt; &lt;attribute name="Permissions" value="all-permissions" /&gt; &lt;/manifest&gt; &lt;/jar&gt; &lt;jar destfile="${export}/FlyHuntServer.jar"&gt; &lt;fileset dir="${build}" /&gt; &lt;manifest&gt; &lt;attribute name="Main-Class" value="server.GameServer" /&gt; &lt;attribute name="Class-Path" value="./" /&gt; &lt;attribute name="Permissions" value="all-permissions" /&gt; &lt;/manifest&gt; &lt;/jar&gt; &lt;/target&gt; &lt;target name="run"&gt; &lt;parallel&gt; &lt;java jar="${export}/FlyHuntServer.jar" fork="true" /&gt; &lt;java jar="${export}/FlyHuntClient.jar" fork="true" /&gt; &lt;/parallel&gt; &lt;/target&gt; </code></pre> <p>The Exception:</p> <pre><code>$ ant run Buildfile: [trimmed...]/build.xml run: [java] Nov 05, 2013 4:21:12 PM sun.rmi.server.UnicastServerRef logCall [java] Feiner: RMI TCP Connection(1)-127.0.0.1: [127.0.0.1: sun.rmi.registry.RegistryImpl[0:0:0, 0]: java.rmi.Remote lookup(java.lang.String)] [java] Nov 05, 2013 4:21:12 PM sun.rmi.server.UnicastServerRef logCall [java] Feiner: RMI TCP Connection(2)-127.0.0.1: [127.0.0.1: sun.rmi.registry.RegistryImpl[0:0:0, 0]: void rebind(java.lang.String, java.rmi.Remote)] [java] Nov 05, 2013 4:21:12 PM sun.rmi.server.UnicastServerRef logCallException [java] Fein: RMI TCP Connection(1)-127.0.0.1: [127.0.0.1] exception: [java] java.rmi.NotBoundException: GameServer [java] at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:137) [java] at sun.rmi.registry.RegistryImpl_Skel.dispatch(Unknown Source) [java] at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:409) [java] at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:267) [java] at sun.rmi.transport.Transport$1.run(Transport.java:177) [java] at sun.rmi.transport.Transport$1.run(Transport.java:174) [java] at java.security.AccessController.doPrivileged(Native Method) [java] at sun.rmi.transport.Transport.serviceCall(Transport.java:173) [java] at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556) [java] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811) [java] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670) [java] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [java] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [java] at java.lang.Thread.run(Thread.java:744) [java] [java] Nov 05, 2013 4:21:12 PM sun.rmi.server.UnicastServerRef logCall [java] Feiner: RMI TCP Connection(3)-127.0.0.1: [127.0.0.1: sun.rmi.transport.DGCImpl[0:0:0, 2]: java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[], long, java.rmi.dgc.Lease)] [java] Exception in thread "main" java.rmi.NotBoundException: GameServer [java] at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:137) [java] at sun.rmi.registry.RegistryImpl_Skel.dispatch(Unknown Source) [java] at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:409) [java] at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:267) [java] at sun.rmi.transport.Transport$1.run(Transport.java:177) [java] at sun.rmi.transport.Transport$1.run(Transport.java:174) [java] at java.security.AccessController.doPrivileged(Native Method) [java] at sun.rmi.transport.Transport.serviceCall(Transport.java:173) [java] at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556) [java] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811) [java] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670) [java] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [java] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [java] at java.lang.Thread.run(Thread.java:744) [java] at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275) [java] at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252) [java] at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:378) [java] at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source) [java] at client.GameClient.&lt;init&gt;(Unknown Source) [java] at client.GameClientLauncher.main(Unknown Source) </code></pre>
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    1. USBoris Pavlović
    1. USfirefexx
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    1. COafter developing the application further, the issue seems fixed now, but I have no idea what was wrong..
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      1. USfirefexx
    2. COI suggest you forget about any problems you encounter running in the IDE or via ANT. They are of no practical interest or concern. The only thing that matters is the production deployment.
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      1. POJava RMI NotBoundException while executing with ant
      1. USuser207421
 

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