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This bug was originally marked as duplicate of bug 196813, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.4 (Build 20131114-5f4f15cc9d83) VM: Java HotSpot(TM) Client VM, 24.0-b56, Java(TM) SE Runtime Environment, 1.7.0_40-b43 OS: SunOS User Comments: alexvsimon: IDE hang Maximum slowness yet reported was 471487 ms, average is 471487
Created attachment 142191 [details] nps snapshot
Created attachment 142192 [details] a thread dump while IDE freezing
Stack shows that for some reason MIME resolver didn't find magic, so the entire huge file (mozilla-central.tar.bz2) is being downloaded to determine its MIME type. That's might be a regression introduced by http://hg.netbeans.org/cnd-main/rev/24b4673aa06d
http://hg.netbeans.org/cnd-main/rev/260ee43a50a5
Integrated into 'main-silver', will be available in build *201312260002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/260ee43a50a5 User: Vladimir Kvashin <vkvashin@netbeans.org> Log: fixed #238381 - org.openide.nodes.FilterNode.getActions: LowPerformance took 471487 ms