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This issue was reported manually by Sam.MIT. It already has 4 duplicates Build: NetBeans IDE Dev (Build 201402070001) VM: Java HotSpot(TM) 64-Bit Server VM, 25.0-b69, Java(TM) SE Runtime Environment, 1.8.0-b128 OS: Windows 7 User Comments: GUEST: When change a Wrapped library inside a Netbeans Platform app Sam.MIT: Right click on projects and Click on ->Source -> runConfigurations -> Browsers Maximum slowness yet reported was 10096 ms, average is 7276
Created attachment 145066 [details] nps snapshot
report 711834: AWT hangs in a swing/jdk method that doesn't do anything special (apart from synchronization) but Component's sync should be non controversial. In any case I could not find other threads holding the lock. What did find was other threads doing native IO that also got stuck. I assume the slowness was caused by general stress on the machine. all other reports are ancient, closing as wontfix, I haven't found anything to fix here.