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Created attachment 112295 [details] 4 Histo of java.exe with 100% cpu while debugging J2EE CPU takes 100% and process works too slow to take up.Even after 5-10 minutes CPU takes 100% to RUN. While the same project works fine with eclipse Indigo though it took 50-80% CPU but it works fast and with normal time. I am using Intel core 2 Duo 2.93GHz 4 GB of RAM
The number of instances really does not us help to identify what the CPU does. Can you please take a CPU snapshot? What is consuming the CPU? NetBeans, or your J2EE application? If it's NetBeans, please use http://wiki.netbeans.org/FaqProfileMeNow. If it is the J2EE application, then the comparisons of CPU snapshots taken when running with Eclipse attached and taken when running with NetBeans attached, should reveal where the problem is.