Java Socket connecting and suddenly disconnecting

Asked Mar 20 '13 at 16:37

Active Feb 10 '17 at 14:48

Viewed 508 times

I have a Java application that needs to connect to IP 10.2.200.12 , port 3002. In this application i send some data to this host and receive its answer, then i close the connection. The problem is I connect to this address but some seconds after my connection is falling. I try connecting using Hercules, and in the log appeared this messagges

Connecting to 10.2.200.12... Connected to 10.2.200.12 And some seconds later... Connection Closed

In my application (client) i connect using this

String ip="10.2.200.12"
int port=3002
Socket s=new Socket(ip,port)

Some ideas?? I need to establish connection so i can send data and receive it... Thankss

edited Feb 10 '17 at 14:48

asked Mar 20 '13 at 16:37

Guillermo Zooby

This is most likely your connection timing out. See [this](http://stackoverflow.com/questions/4969760/set-timeout-for-socket). – m0skit0 Mar 20 '13 at 16:41
Better put a debug point at server code to see what's happening, bcoz connection is closed after its established. – Himanshu Bhardwaj Mar 20 '13 at 16:43
1

Is the connection closed *before* or *after* you sent some data? - What does your client do after successful connection? – JimmyB Mar 20 '13 at 17:04
I cant debug at server code, because I dont have access to it, but i will try establishing connection as Hanno explains. – Guillermo Zooby Mar 20 '13 at 17:20
1

Sorry, as M0skit0 explained – Guillermo Zooby Mar 20 '13 at 17:31
Under what circumstances are you logging 'connection closed'? – user207421 Apr 02 '13 at 14:13
@m0skit0 How can it be most likely a connect timeout when he has logged 'connected'? – user207421 Apr 02 '13 at 14:15
@EJP sorry, I misunderstood the question. Try to connect with [netcat](http://netcat.sourceforge.net/) and see what happens. – m0skit0 Apr 02 '13 at 15:44

Java Socket connecting and suddenly disconnecting

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