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Apache Maven Compiler Plugin Version 3.9.0 Released

The Apache Maven team is pleased to announce the release of the Apache Maven Compiler Plugin, version 3.9.0.

The Compiler Plugin is used to compile the sources of your project.

You should specify the version in your project’s plugin configuration:


Release Notes – Maven Compiler Plugin – Version 3.9.0

  • Bugs:

    • MCOMPILER-272 – When annotationProcessorPaths has multiple entries, only the transitive dependencies of the first entry are added
    • MCOMPILER-359 – plexus-java 0.9.10 causes a NullPointer in compiler-plugin 3.8.0
    • MCOMPILER-373 – Unable to compile MR jar code against older directories
    • MCOMPILER-410 – CI Broken by JDK 15 changes
    • MCOMPILER-455 – preparePaths does not take toolchain into account when parsing module-info.class
  • Improvements:

  • Tasks:

    • MCOMPILER-189 – Source Xref report is missing classes due to simple name collision, update maven-jxr-plugin
    • MCOMPILER-398 – Simplify the implementation of the inclusion/exclusion logic
    • MCOMPILER-467 – Improve compile mojo parameter multiReleaseOutput docs
  • Dependency upgrade:


  • The Apache Maven team