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https://issues.apache.org/jira/browse/NETBEANS-3039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921492#comment-16921492
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Christian Naitsirch commented on NETBEANS-3039:
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I think I found the reason why I got these problems.
Netbeans 8.2 used the JRE that was shipped with it. `$
applications/netbeans-8.2/bin/jre/bin/java -v` prints
??java version "1.8.0_101"??
??Java(TM) SE Runtime Environment (build 1.8.0_101-b13)??
??Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)??
Apache Netbeans seems to use the system's default JDK/JRE which is OpenJDK 8 on
my Debian system per default. Now after changing the netbeans_jdkhome to
Oracle's JDK 12 I do not have those issues when editing YAML files.
I wonder if the problem would also occur with a newer version of OpenJDK or is
Oracle's JDK required?
> Extreme slow down on large YAML files
> -------------------------------------
>
> Key: NETBEANS-3039
> URL: https://issues.apache.org/jira/browse/NETBEANS-3039
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 10.0, 11.0, 11.1
> Environment: Netbeans 11.1, GNU/Debian Stretch, KDE
> Reporter: Christian Naitsirch
> Priority: Major
> Labels: performance, yaml
> Attachments: profile.zip, services.yml
>
>
> When I work with Symfony web application (PHP framework) I usually have to
> edit larger YAML files. In the last releases Netbeans really slows down when
> editing those files. After some small changes in the file the loading
> indicator is displayed and everything gets extremely slow.
> This is why I still have to use Netbeans 8.2 which lacks some nice features
> (e.g. conditional breakpoints in PHP Debugger).
> I'll attach an example YAML file which makes my IDE unresponsive. I hope you
> can reproduce this issue.
> Other file types like large PHP files are not affected.
>
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