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Posted to commits@netbeans.apache.org by "Michael Groß (JIRA)" <ji...@apache.org> on 2019/01/20 15:18:00 UTC

[jira] [Created] (NETBEANS-1962) Java 11: Opening Java source files from the JDK takes minutes

Michael Groß created NETBEANS-1962:
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             Summary: 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
         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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