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This bug was originally marked as duplicate of bug 172715, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0 (Build 201403101706) VM: Java HotSpot(TM) Client VM, 25.0-b70, Java(TM) SE Runtime Environment, 1.8.0-b132 OS: Windows 8 User Comments: GUEST: <Please provide a description of the problem or the steps to reproduce> When i started netbeans, it start quick but responses very slow. Maximum slowness yet reported was 33403 ms, average is 33403
Created attachment 146677 [details] nps snapshot
Open project action called during the initial Opening projects process - further evaluation needed
Projects create their nodes too slow and inside the nodes mutex holding a write lock which effectively locks all access to nodes hierarchy. Build your nodes (or pre-build everything time-consuming) before setting children.keys: org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren -> org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.createNodes() 97.95994 22,954 ms (98%) 2,896 ms
only one report and no duplicate in over a year since nb 8.0 2014-04-10. Perhaps already gone. Closing