On Mon, Dec 8, 2008 at 12:20 AM, karthikeyan subbannan <skarthikeyan8384 at gmail.com> wrote: > I have one problem in centos4.4.That is when i run a java Swing > Based application(non stop Application ie ,24/7) in centos4.4 the X Window > system takes 100% of cpu usage....When i restart the system it will come > down.After few hours it will again go to 100%...please tell me solution..... Memory Leak or some other bug, in the Swing Based application? I doubt that the bug is in X. Have you posted on the mailing list for that application and/or filed a bug on it? Before you seek a solution, you need to diagnose the problem.