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Created attachment 117307 [details] profiler snapshot NetBeans 7.1.1 JDK 6u30 64-bit (Server VM) Windows 7 64-bit -- Closed all editor tabs and wanted to open another file from the Navigator. Tried to scroll the Navigator window but the IDE did not respond. The AWT-EventQueue-1 thread seems to be busy doing something with nodes and their listeners. See the attached files (thread dump, application snapshot - both generated using JVisualVM bundled with JDK 6u30).
Created attachment 117308 [details] thread-dump
*** This bug has been marked as a duplicate of bug 205366 ***