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https://issues.apache.org/jira/browse/NETBEANS-1412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735774#comment-16735774
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Christian Lenz commented on NETBEANS-1412:
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It is not a problem, it is not a bug, it is an improvement. I only want to say,
that deactivated plugins still takes time to scan on NetBeans startup. Little
calculation:
1 Plugin takes 20ms round about to scan while NetBeans startup, which is
deactivated.
If you have 250 plugins installed and you deactivated 150 in case of they are
broken, or not working that well but working good to activate them later, etc.
so you can calculate 150 * 20 = 3s. So we can win 3s of starting time of
NetBeans. This is a little impact, for sure, but if we have some other
improvements later etc, 3s are really nice to have it as a win. (And yes in
NetBeans 8.2 and 9 I had ~ 250 Plugins and I will definitely go to do it in
NetBeans 10 again). So again this could be an improvement, this is not a bug,
not a big problem, but I figured it out and I was wondering, why deactivated
plugins where scanned. There is really no reason for doing this. Thats it.
> NetBeans should not scan jars for deactivated plugins
> -----------------------------------------------------
>
> Key: NETBEANS-1412
> URL: https://issues.apache.org/jira/browse/NETBEANS-1412
> Project: NetBeans
> Issue Type: Improvement
> Components: ide - Performance, platform - Plugin Manager
> Affects Versions: Next
> Reporter: Christian Lenz
> Priority: Major
>
> When I deactivate plugins, they will still be inside the folder
> *C:\Users\Chrl\AppData\Roaming\NetBeans\8.2\modules*. When opening NetBeans I
> got over 100 warnings of dependencies that will upgraded:
> {code}
> WARNING [org.netbeans.core.modules]: had to upgrade dependencies for module
> arduino: added = [module org.netbeans.modules.projectuiapi.base/1 > 1.78.0,
> module org.openide.filesystems.nb, module org.openide.filesystems.compat8]
> removed = []; details: [Separate projectuiapi into desktop and NetBeans
> independent and dependent parts, Separation of desktop and cleanup]
> {code}
> So yes I installed arduino but I deactivated it. I deactivated a lot more
> like ruby and atmel and all are scanned. So for me, I don't want to deinstall
> those plugins, because I will loose the history of all plugins that I added
> months or years ago.
> So in my understanding, netbeans scans all jars inside of the modules folder
> and this takes time. Not that much, maybe some ms but if you have 150 addons
> installed, like me and NetBeans needs round about 20ms for that jar to scan
> at starting the IDE and give the warning, doesn't matter whether it is
> activated or not, it will increase the starting time. So 150 * 20ms = 3s. Of
> course this is not much but preventable.
> I would prefer to move deactivated plugins into a sub folder called
> deactivated and exclude them from scanning, if this is possible, How does
> that sounds?
> Cheers
> Chris
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