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https://issues.apache.org/jira/browse/NETBEANS-5037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17300634#comment-17300634
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Dr Bryan J Higgs commented on NETBEANS-5037:
--------------------------------------------

Thank you for the clarification, [~geertjan] .

It does seem that the ball is in the JDK's support, as you say. 

But I don't understand (and perhaps they don't, either) why it is that things 
fail in one account, and not in another, even on the same machine.

The last entry on that JDK Bug System page says:

_When we set Preferences -> General -> "Prefer tabs" to "never"._
_It doesn't freeze in Full Screen and without the full screen._

So, I finally figured out where I could do that (in Apple System Preferences), 
set the Prefer tabs to "Never", and then started up NetBeans in my account. 
Plugins now no longer hangs. YAY! (I haven't looked elsewhere to see whether 
all the hangs have disappeared, as I never did that earlier; I only experienced 
a couple of them, and it got annoying to have to Force Quit every time.)

That may very well be the explanation about why some users have the problem and 
others don't.

Could NetBeans find some way of detecting on NetBeans startup that the tabbing 
mode is not set to "Never" in a user's account, and warn them about the 
problem, and the workaround?

 

> NetBeans dialog windows in Big Sur
> ----------------------------------
>
>                 Key: NETBEANS-5037
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-5037
>             Project: NetBeans
>          Issue Type: Bug
>          Components: editor - Search, editor - Settings, platform - Plugin 
> Manager
>    Affects Versions: 8.2, 12.0, 11.1, 11.3, 12.1, 12.2
>         Environment: macOS 11.0.2
>            Reporter: Donatello Santoro
>            Priority: Major
>         Attachments: netbeans.conf, settings.png
>
>
> In macOS Big Sur some NetBeans panels (settings and find in project) are 
> broken:
>  * they are shown in full screen, as tab, please see screenshot 
>  * when they are shown, NB completely hangs, with high CPU usage.
> I tried almost every version of NetBeans (from 8.2 to 12.2rc) with every JDK 
> (1.8, 11, 13, 15), with the same behavior.
> The only way I have to solve the issue is to run NB as sudo
> {code:java}
> sudo /Applications/NetBeans/Apache\ NetBeans\ 12.1.app/Contents/MacOS/netbeans
> {code}
> Of course this is a permission related issue, but it appears only on 
> NetBeans. Other Java apps seems not affected. On command line there are no 
> evidence of the crash.
> Finally, in our office we are 4 with the same MacBook, and same macOS (just 
> upgraded from Catalina to Big Sur). 2 out of 4 have this issue. The other 2 
> can run NB without the sudo command.



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