Writing messages to client socket using DataOutputStream to Server Socket only sent after closing the Client Socket why?

Question

I had a Socket-Client programming in Java . I am using DataOutputStream to send messages to the Server Socket . Sometimes writed messages on DataOutputstream was not sent to the

Answer 1

You have posted too much code, but 99 times out of 100 in these cases where you only see the data after the stream / program has closed your problem is that you are never flushing the data after it is written

Answer 2

Have you tried calling SetSockOption with TCP_NODELAY?

• http://docs.oracle.com/javase/6/docs/api/java/net/SocketOptions.html

• http://www.ibm.com/developerworks/linux/library/l-hisock/index.html

• http://en.wikipedia.org/wiki/Nagle%27s_algorithm