i have this exception"
Exception in thread "main" org.jinterop.dcom.common.JIException: An internal error occurred.
at org.jinterop.dcom.core.JIRemUnknownServer.call(JIRemUnknownServer.java:158)
at org.jinterop.dcom.core.JIRemUnknownServer.addRef_ReleaseRef(JIRemUnknownServer.java:181)
at org.jinterop.dcom.core.JISession.releaseRef(JISession.java:805)
at org.jinterop.dcom.core.JIComServer.createInstance(JIComServer.java:777)
at jinterop.JInterop.main(JInterop.java:41)
Caused by: java.net.ConnectException: Connection timed out: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Net.java:364)
at sun.nio.ch.Net.connect(Net.java:356)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:623)
at java.nio.channels.SocketChannel.open(SocketChannel.java:184)
at org.jinterop.dcom.transport.JIComTransport.attach(JIComTransport.java:100)
at rpc.Stub.attach(Stub.java:106)
at org.jinterop.dcom.core.JIRemUnknownServer.call(JIRemUnknownServer.java:142)
… 4 more".

i use version 2.08,
and i work on windows 7.
below is my code

JISystem.setAutoRegisteration(true);
JISession session = JISession.createSession("localhost","admin","password");
JIComServer comServer = new JIComServer(JIProgId.valueOf("Excel.Application"),"127.0.0.1",session);

//Instantiate the COM Server
IJIComObject excelObject = comServer.createInstance();
…..
…..
…..

the exception occurs when creating com server in the last line of code above.

please help me, to solve this issue.
thanks in advance.