RMI Problem - Urgent

It looks that your client tries to connect to a wrong port or this host (port) is not accessible from the client machine. May the problem is that you can't connect to the RMI registry. To check this, try to establish a connection with the telnet application from the client host:
telnet <registry host> <registry port>

hi Venci75,
     I tried to run "nmap" command and the output as follows:
Port       State       Service
21/tcp     open        ftp
25/tcp     open        smtp
135/tcp    open        loc-srv
139/tcp    open        netbios-ssn
465/tcp    open        smtps
1433/tcp   open        ms-sql-s
5800/tcp   open        vnc
5900/tcp   open        vnc
8888/tcp   open        sun-answerbook

So port 8888 is already open. I think the telnet service doesn't care. It uses tcp to make a connection via port 8888, right? How about rmi registry? Do i need to set it using a command "rmiregistry"? How can I check this table?
Thanks a lot!!
 

hi Venci75,
     I tried to run "nmap" command and the output as follows:
Port       State       Service
21/tcp     open        ftp
25/tcp     open        smtp
135/tcp    open        loc-srv
139/tcp    open        netbios-ssn
465/tcp    open        smtps
1433/tcp   open        ms-sql-s
5800/tcp   open        vnc
5900/tcp   open        vnc
8888/tcp   open        sun-answerbook

So port 8888 is already open. I think the telnet service doesn't care. It uses tcp to make a connection via port 8888, right? How about rmi registry? Do i need to set it using a command "rmiregistry"? How can I check this table?
Thanks a lot!!
 

In addition to the client and the server you have to start the rmi registry (rmiregistry from the java bin directory).

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