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It is very slow and freezen when copy codes in editor. jdk:1.6.10beta24
Can you please capture several thread dumps when IDE is slow? http://wiki.netbeans.org/GenerateThreadDump
Yes please, capture some thread dumps and attach them here. Also, what file type were you editing and how big (approximately) were both that file and the text you were pasting? What build (About -> Help) were you using? Could you please attach the log file here, it's in <ide-userdir>/var/log/messages.log. Thanks
Created attachment 68152 [details] the log
qingyue, we need the thread dumps generated at the times when the IDE is slow/frozen, please. Thank you
Created attachment 69024 [details] threaddrump by StackTrace. how to save drump by ctrl break?
Thanks for the threaddumps. Unfortunately the first two show absolutely no activity and the third one only shows some activity in 'GSF Source Worker Thread'. I would expect activity in AWT thread which blocks rendering and generally any events processing. Are you sure that the dumps were taken when the IDE was frozen? This can be hard to achieve if the freeze periods are short...
It is probably a duplicate of issue 124094 - at least no information that was given proves wrong and no new pieces of information were given. Making this issue a duplicate of issue 124094, feel free to reopen if it is not the case. *** This issue has been marked as a duplicate of 124094 ***