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Warning
titleUpgrade to 2.4

You CANNOT upgrade automatically to 2.4

Version 2.4 moves Java from being an "ecosystem" of multiple plugins to a single, stand-

along

alone plugin that encompasses most of the functionality formerly contained in the ecosystem. Specifically, 

  • Squid, Surefire and Jacoco have been rolled into the Java plugin.
  • FindBugs has been split off into an independent, optional plugin. To continue using it, upgrade it to version 2.4.

Unfortunately, SonarQube's update center cannot handle the switch gracefully. You may use the update center to download the new version of the plugin. However, you must manually remove the Surefire, JaCoCo, and Squid for Java plugins from$SONARQUBE_HOME/extensions/plugins.

  • FindBugs has been split off into an independent, optional plugin. To continue using it, upgrade it to version 2.4.
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    Tip
    titleLive example

    If you want to see a live example of the capabilities of the Java Ecosystem, you can have a look at SonarQube on SonarQube.

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    By default the Java plugin is provided with SonarQube. You can update it from the Update Center or download the latest release from this page header. Don't forget to check the upgrade notes.

    Usage

    Warning
    titleJava bytecode is required

    Analysing a Java project without providing the Java bytecode of the source files and of all the project dependencies (jar files) is possible but will lead to highly decrease the number of issues found by the analyzer (false-negatives). Moreover the detection of cycles between packages and the display of the DSM will be automatically deactivated. As soon as a class required to efficiently do an analysis is missing a warning like the following one is logged :

    [WARN] [08:40:21.769] Class 'XXXXXX' is not accessible through the ClassLoader.

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    Upgrade Notes

    Version 2.4

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