Exception in thread "main" java.net.ConnectException: Connection timed out

I have implemented a TCP server in java. I'm using the ServerSocket. And listening to connections using the accept() method.
I always get an

Code:

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Exception in thread "main" java.net.ConnectException: Connection timed out

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at the client side. This occurs after numerous connections..

can you help me?

If you are sure that the server is still running when you are trying to connect from your timed out client, then make sure that you are not doing any time consuming task in your connection acceptance method of your server socket.