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Created attachment 101322 [details] Thread dumps during exit See attached thread dumps. User dir did not initially have the index for local repo. Built a simple Maven project, then closed main window. Local repo indexing continued for a couple of minutes afterwards.
We saw similar thing at the usability study. The IDE downloaded the main maven index and then processed it in background (no progress indication after download completed). Later when reproducing with another user dir we found out it took several minutes and caused heavy I/O load, significantly affecting the IDE performance. And it also continued even after closing the IDE.
I think this was already fixed. *** This bug has been marked as a duplicate of bug 188883 ***