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This bug was originally marked as duplicate of bug 192573, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.1 (Build 201510222201) VM: Java HotSpot(TM) 64-Bit Server VM, 25.92-b14, Java(TM) SE Runtime Environment, 1.8.0_92-b14 OS: Windows 10 User Comments: GUEST: Clicking an external link in a javadoc that lead to an non-javadoc page Maximum slowness yet reported was 21036 ms, average is 21036
Created attachment 161567 [details] nps snapshot
The slowness is caused by loading large html document. It looks like no NetBeans code is involved - all is done in JRE. Closing as wontfix.