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This issue was reported manually by tmysik. It already has 7 duplicates Build: NetBeans IDE Dev (Build 20110922-f7ba31e7829d) VM: Java HotSpot(TM) 64-Bit Server VM, 19.1-b02, Java(TM) SE Runtime Environment, 1.6.0_24-b07 OS: Linux User Comments: tmysik: Opening and closing a folder in Projects view tmysik: PHP file opened tmysik: Fast openening and closing of many PHP files (adding licences) tmysik: Fast opening and closing PHP files (adding licences) tmysik: Fast openening and closing of many PHP files (adding licences) Maximum slowness yet reported was 23542 ms, average is 11127
Created attachment 111032 [details] nps snapshot
(In reply to comment #0) > This issue was reported manually by tmysik. Sorry, reported manually since I had to restart NB manually (totally unusable). Thanks.
Not sure exactly what is going on, but I think DefaultEMLookup.propertyChange should call updateLookups asynch; in the features snapshot, uL is called just once but there are 293 listeners. (I have no idea how this could be true; LoadOpenProjects is a singleton, for example, and when I try it, its resultChanged is called just once per selection change as expected.)
Last report is from one year old build: 110728. Works for me.