I have a client swing application that connects to my server with RMI and invokes the business part of my project that are managed in EJB container.(EJB3)
when i run my swing application in my system, there is no exception for me. but wen i change the client System (from another system)
i encounter to this exception

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Nov 25, 2008 11:16:10 AM com.sun.corba.ee.impl.transport.SocketOrChannelConnecti
onImpl <init>
WARNING: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR
_TEXT; hostname: 192.168.1.2; port: 3700"
org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed: No
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(O
RBUtilSystemException.java:2690)
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(O
RBUtilSystemException.java:2711)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(
SocketOrChannelConnectionImpl.java:261)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(
SocketOrChannelConnectionImpl.java:274)
at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.create
Connection(SocketOrChannelContactInfoImpl.java:130)
at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.begin
Request(CorbaClientRequestDispatcherImpl.java:192)
at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaC
lientDelegateImpl.java:181)
at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClie
ntDelegateImpl.java:325)
at org.omg.CORBA.portable.ObjectImpl._is_a(Unknown Source)
at org.omg.CosNaming.NamingContextHelper.narrow(Unknown Source)
at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.
java:131)
at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialConte
xt.java:220)
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.jav
a:160)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398
)
at javax.naming.InitialContext.lookup(Unknown Source)
at bank.app.client.view.LoginForm.login(LoginForm.java:235)
at bank.app.client.view.LoginForm.access$000(LoginForm.java:24)
at bank.app.client.view.LoginForm$3.actionPerformed(LoginForm.java:181)
at javax.swing.JTextField.fireActionPerformed(Unknown Source)
at javax.swing.JTextField.postActionEvent(Unknown Source)
at javax.swing.JTextField$NotifyAction.actionPerformed(Unknown Source)
at javax.swing.SwingUtilities.notifyAction(Unknown Source)
at javax.swing.JComponent.processKeyBinding(Unknown Source)
at javax.swing.JComponent.processKeyBindings(Unknown Source)
at javax.swing.JComponent.processKeyEvent(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.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)

at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Sour
ce)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Sour
ce)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(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.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)
Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection ref
used: connect
at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSock
etFactory.java:347)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(
SocketOrChannelConnectionImpl.java:244)
... 43 more
Caused by: java.net.ConnectException: Connection refused: connect
at sun.nio.ch.Net.connect(Native Method)
at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility
.java:105)
at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSock
etFactory.java:332)
... 44 more

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more information about my system.
web application: glassfish
firewall: serverside and client side (Both of them) are closed
my JNDI setting for glassfish is

prop.setProperty("java.naming.factory.initial", "com.sun.enterprise.naming.SerialInitContextFactory");
prop.setProperty("java.naming.factory.url.pkgs", "com.sun.enterprise.naming");
prop.setProperty("java.naming.factory.state", "com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl");
prop.setProperty("org.omg.CORBA.ORBInitialHost", "192.168.1.2");
prop.setProperty("org.omg.CORBA.ORBInitialPort", "3700");


the ORB port listener is open 3700
192.168.1.2 : ip server