ABOUT SOCKETS (HELP!)

I know this is a PHP forum, but this is really urgent!! A close friend of mine has got many trouble with this problem while developing a Java chat. Any help would be really appreciated. Thanks David. Problem is as follows: I'm programming an applet java chat but I have a big problem and I don't > know how to do. > When I test my application, I do this test with another person > and when one of them starting send information quickly and other > disconnects from the chat, the last disconnect without problems but this afects the > person who is sending information quickly and produce that this person > disconnects abrubtly. > > I think this problem occurs because some network object has a bad use of > synchronized or need to put a synchronized in it, but I don't know where I > have to put it.... Can somebody know about it or how can I solve this > problem? > > Thank you very much > > Regards, > > Gisella