Hi, I wrote a HelloWorld EJB 3 and HelloClient to test remote access JBoss server, but failed as IP changed by firewall. The server is linux and using JBoss 4.0.4.GA with jdk1.5.0_09. I tried to start JBoss with "run.sh -c default -b <external IP>" , jboss cannot start with error : anonymous wrote : 2007-06-30 21:16:12,840 ERROR [org.jboss.remoting.transport.socket.SocketServerInvoker] Error starting ServerSocket. Bind port: 3873, bind address: /202.155.230.102 | 2007-06-30 21:16:12,841 ERROR [org.jboss.remoting.transport.Connector] Error starting connector. | java.net.BindException: Cannot assign requested address | at java.net.PlainSocketImpl.socketBind(Native Method) | at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359) | at java.net.ServerSocket.bind(ServerSocket.java:319) | at java.net.ServerSocket.(ServerSocket.java:185) | at javax.net.DefaultServerSocketFactory.createServerSocket(ServerSocketFactory.java:169) | at org.jboss.remoting.transport.socket.SocketServerInvoker.createServerSocket(SocketServerInvoker.java:186) | at org.jboss.remoting.transport.socket.SocketServerInvoker.start(SocketServerInvoker.java:136) | at org.jboss.remoting.transport.Connector.start(Connector.java:316) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:585) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:995) | at $Proxy0.start(Unknown Source) | at org.jboss.system.ServiceController.start(ServiceController.java:417) | at org.jboss.system.ServiceController.start(ServiceController.java:435) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:585) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) | at $Proxy4.start(Unknown Source) | at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302) | at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | then tried to start JBoss with "run.sh -c default -b <internal IP>" , then got below error anonymous wrote : javax.naming.CommunicationException [Root exception is java.rmi.ConnectException: Connection refused to host: <internal IP>; nested exception is: | java.net.ConnectException: Connection timed out: connect] EJB Source Code | // HelloWorldBean.java | package hi; | | import javax.ejb.Stateless; | | @Stateless(name="HelloWorld") | public class HelloWorldBean implements HelloWorldRemote { | | public String sayHi (){ | System.out.println("sayHi"); | return "Hello world!"; | } | | } | // HelloWorldRemote.java | package hi; | | import javax.ejb.Remote; | | @Remote | public interface HelloWorldRemote { | public String sayHi (); | } | Client Source code | // main.java | package helloclient; | import hi.HelloWorldRemote; | import java.sql.SQLException; | | public class Main { | private static HelloWorldRemote helloRemote; | public Main() { | } | public static void main(String[] args) throws SQLException { | if( args.length > 0 ) | MyContext.setUrl(args[0]); | try { | helloRemote = (HelloWorldRemote) MyContext.lookup("HelloWorld/remote"); | System.out.println(helloRemote.sayHi()); | } catch( Exception e ) { | System.out.println(e); | } | System.exit(0); | | } | | } | | // MyContext.java | package helloclient; | | import java.util.Properties; | import javax.naming.Context; | import javax.naming.InitialContext; | import javax.naming.NamingException; | | public class MyContext | { | private static String url = "localhost:1099"; | private static Context context; | private static MyContext uniqueInstance; | | private MyContext() throws NamingException { | Properties props = new Properties(); | props.setProperty("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory"); | props.setProperty("java.naming.provider.url", new String("jnp://" + getUrl())); | props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces"); | context = new InitialContext(props); | } | | public static Object lookup( String ejbName ) throws NamingException { | if( uniqueInstance == null ) | uniqueInstance = new MyContext(); | System.out.println("getUrl " +getUrl()); | System.out.println("ejbName " + ejbName); | System.out.println(context.toString()); | | return context.lookup( ejbName); | } | | public static MyContext getInstance() throws NamingException { | if( uniqueInstance == null ) | uniqueInstance = new MyContext(); | return uniqueInstance; | } | | public static String getUrl() { | return url; | } | | public static void setUrl(String aUrl) { | url = aUrl; | } | | } | | | Please help View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059363#... 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