Probably best to switch to 11.0 or 11.1 beta-1 and see if the problem can be reproduced there, change to a later JDK to see the difference as well.
Gj On Tue, 25 Jun 2019 at 18:44, František Kučera <konfere...@frantovo.cz> wrote: > Hello, > > last few days I experience sudden slownes of Netbeans IDE when I > navigate through Java source code or invoke the pop-up menu with > code-completion and JavaDoc. > > This is my configuration: > > Product Version: NetBeans IDE 8.2 (Build 201610071157) > Java: 1.8.0_212; OpenJDK 64-Bit Server VM 25.212-b03 > Runtime: OpenJDK Runtime Environment > 1.8.0_212-8u212-b03-0ubuntu1.18.04.1-b03 > System: Linux version 4.15.0-52-generic running on amd64; UTF-8; cs_CZ (nb) > > I have not upgraded Netbeans recently and the last JDK upgrade was > 2019-05-14 according to the APT log (and I have probably restarted after > that upgrade and Netbeans was not slow after the upgrade IIRC). I am not > aware of any relevant changes on my computer. And it worked well before. > > The project is small and Netbeans are slow even if I navigate through > e.g. java.lang.System. Sometimes it takes even 10 seconds until > something happens (navigate to the method declaration or show a pop-up > wit JavaDoc). Formerly I had problems with slow and unstable C/C++ > projects (slow or missing code completion or false-positive source code > errors) but now even Java projects are extremely slow. > > I found <http://wiki.netbeans.org/FaqSlowNetBeans> but I did not see any > solution of my problem there. I have also deleted ~/.cache/netbeans/8.2/ > and restarted the IDE, but it did not help. > > During waiting for the pop-up or navigation, Netbeans eats cca 100-250 % > of my CPU (according to htop). > > I used the profiling function in the IDE and find out that it spent e.g. > 6 seconds in com.sun.tools.javac.comp.Attr$ResultInfo.attr (). See > attached screenshot. Does the slowness come from JDK instead of > Netbeans? How can I debug it more? Maybe the reinstall or upgrade would > help but I would rather find the cause of such sudden change of speed of > my favorite IDE. > > Thanks, > > Franta > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org > For additional commands, e-mail: users-h...@netbeans.apache.org > > For further information about the NetBeans mailing lists, visit: > https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists
