any free software availaible to check memory leakage in a j2ee war file

Hello friends , is there any free software availaible to check memory leakage in a j2ee war file , else some paid software or tool
[144 byte] By [rohit_mca2000a] at [2007-10-2 19:18:25]
# 1
NetBeans Profiler is free but you need to be running 1.5 or higher or use a modified 1.4.2 VM. http://www.netbeans.org/products/profiler/
YoGeea at 2007-7-13 21:01:04 > top of Java-index,Java Essentials,Java Programming...
# 2
What about Jconsole? That comes with the JDK distribution and certainly plots memory usage, not sure how much detail you get.
armalcolma at 2007-7-13 21:01:04 > top of Java-index,Java Essentials,Java Programming...
# 3
thanks YoGee and Armacolm , trying these options
rohit_mca2000a at 2007-7-13 21:01:04 > top of Java-index,Java Essentials,Java Programming...