Hi Stanley, >But the same app, compiled with GCJ, consumes an ever increasing >amount of memory every second its running until it eventually crashes >due to lack of memory. I agree with Bryce that a testcase would be useful. Are you using threads? There's a known issue that MinGW libgcj leaks 24 bytes for each thread created. -- Mohan http://www.thisiscool.com/ http://www.animalsong.org/