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From "Christian Lenz (JIRA)" <>
Subject [jira] [Commented] (NETBEANS-2525) Background Scanning Process for first NetBeans start took more than 15min
Date Thu, 16 May 2019 11:11:00 GMT


Christian Lenz commented on NETBEANS-2525:

The thing is, I can't deactivate (maybe via registry) the Virus and Threadsafety option, because
I got the message: This is managed from your organisation. FYI.

> Background Scanning Process for first NetBeans start took more than 15min
> -------------------------------------------------------------------------
>                 Key: NETBEANS-2525
>                 URL:
>             Project: NetBeans
>          Issue Type: Bug
>          Components: ide - Performance
>    Affects Versions: 11.0
>         Environment: Product Version: Apache NetBeans IDE 11.0 (Build incubator-netbeans-release-404-on-20190319)
> Java: 11.0.2; Java HotSpot(TM) 64-Bit Server VM 11.0.2+9-LTS
> Runtime: Java(TM) SE Runtime Environment 11.0.2+9-LTS
> System: Windows 10 version 10.0 running on amd64; Cp1252; de_DE (nb)
> User directory: C:\Users\Chrl\AppData\Roaming\NetBeans\11.0
> Cache directory: C:\Users\Chrl\AppData\Local\NetBeans\Cache\11.0
>            Reporter: Christian Lenz
>            Priority: Critical
>              Labels: performance
>         Attachments: 11.0 - messages.log, 11.0 - uigestures, Screenshot from 2019-05-15
09-10-54.png, nb-11.0-selfsampler.npss, nb-11.0-threaddump-1557855250946.tdump
> Steps to reproduce:
> * Open NetBeans 11.0 for the very first time
> * Choose yes to import settings from NetBeans 10.0 (No plugins, just settings)
> * After NetBeans opens, It imported 33 projects from my old NetBeans instance.
> * Install nb-javac.
> * It opens the projects.
> * Background scanning comes ups, need couple of minutes
> * Because of some HTML5 projects, Oracle JS Parser implementation installer comes up
> * Install Oracle JS Parser Implementation.
> * After first background scanning is finished the next one is coming up and takes even
> * Waiting until everything is finish. Round about 15-17 min.
> I added a heap dump, created via Visual VM (In case of sensitive data, I removed the
link, please give me a private link where I can upload it.
> No I don't want to not use importing settings. First it is possible and needed and second
because it is not a real world case. I want my settings from my old IDE and all my opened
projects. I don't want to import/open them one after one again, this is not a use case. And
I don't want to make the settings again and again, switching to a new version. Of course it
will not running as long as I open NetBeans w/o importing settings and opening all projects
but again this doesn't make sense.
> My projects are:
> * 5 Maven
> * 1 PHP
> * 4 HTML5
> * 14 Ant based NetBeans modules (Some 3rd-party, some from the Core)
> * 8 Maven based NetBeans modules (all 3rd-party)
> * 1 NetBeans Module suite project
> What information do you need more? I will add the messages.log too, but I need to clean
up my user dir again, because I opened NetBeans after the profiling again.

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