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https://issues.apache.org/jira/browse/NETBEANS-1962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16845740#comment-16845740
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ARUNAVA SINHA commented on NETBEANS-1962:
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Step #2, I was referring to development build ,After building the IDE from the
source code, the IDE can be run by running this command from the root directory
or from nbbuild directory
*ant tryme -Dtryme.jdkhome=""the jdk path""*
> Java 11: Opening Java source files from the JDK takes minutes
> -------------------------------------------------------------
>
> Key: NETBEANS-1962
> URL: https://issues.apache.org/jira/browse/NETBEANS-1962
> Project: NetBeans
> Issue Type: Bug
> Components: java - Platform, java - Source
> Affects Versions: 11.0
> Environment: Debian GNU/Linux 9, OpenJDK 11.0.1
> Reporter: Michael Groß
> Priority: Critical
> Attachments:
> 2019-01-19_Netbeans10_Java11_JavaPlatformManager_Sources_fast.png,
> 2019-01-19_Netbeans10_Java11_JavaPlatformManager_Sources_verySLOW.png,
> 2019-01-20_Netbeans10_Java8_JavaPlatformManager_Sources.png
>
>
> For Java 8 it is enough to provide the path to the
> /usr/lib/jvm/openjdk-8/src.zip with the source files of the JDK with the Java
> Platform Manager/Sources. The I can click on a class like java.lang.String
> the source file for it is opened almost immediately.
> For Java 11 providing the /usr/lib/jvm/openjdk-11/src.zip does not bring the
> source. There is no error message in the IDE log (View > IDE Log).
> Unpacking the src.zip and then including each folder herein, from java.base
> to java.xml.crypto works - but it took minutes on my machine at high CPU load
> (Intel(R) Pentium(R) CPU B940 @ 2.00GHz, SSD drive).
> Then I merged all sub-directories from the direcories java.base to
> java.xml.crypto together. The resulting structure is
> com/
> java/
> javax/
> jdk/
> org/
> sun/
> (such as the structure before Java 9). Now I can open the Java sources for
> Java 11 as fast as before.
> # Could you please adapt the program such that I can provide a src.zip for
> the JDK and it opens the sources from where?
> # Could you please write an error in the IDE log when the source file was
> not found (including the absolute path of that file)?
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