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Apache Maven Assembly Plugin Version 2.5.2 Released

The Apache Maven team is pleased to announce the release of the Apache Maven Assembly Plugin, version 2.5.2.

The Assembly Plugin for Maven is primarily intended to allow users to aggregate the project output along with its dependencies, modules, site documentation, and other files into a single distributable archive.

Most notable for this release are: Rewritten duplicate handling strategy, revised documentation. Please note that previously documented strategy was mostly wishful thinking, the currently documented strategy is hard reality :).

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


Release Notes – Maven Assembly Plugin – Version 2.5.2


  • MASSEMBLY-478 – allow overwriting newer files with older files contained within fileset
  • MASSEMBLY-558 – Assembly does not include runtime-dependency if test-dependency with shorter path exists
  • MASSEMBLY-565 – jar-with-dependencies: class from the source in project does NOT override the class in jar dependency
  • MASSEMBLY-569 – The numbering of the items in the FAQ on the site is messed up
  • MASSEMBLY-580 – dependencySet ignores directoryMode descriptor
  • MASSEMBLY-583 – DependencySet elements appear not to be able to target the same outputDirectory
  • MASSEMBLY-597 – Duplicate files added to archive when present in both dependencyset and fileset of the same assembly
  • MASSEMBLY-601 seems to have the components of a filter element in the wrong order
  • MASSEMBLY-609 – Misbehavior on multi-module projects, outputDirectory not being interpolated properly
  • MASSEMBLY-655 – Archive file resolution does not work as documented
  • MASSEMBLY-671 – Cryptic debug warning message needs improvement and/or documentation
  • MASSEMBLY-725 – Fix phase ordering
  • MASSEMBLY-726 – Fix artifact inclusion/exclusion filtering
  • MASSEMBLY-728 – Assembly plugin >= 2.5 thinks my group ID is too big
  • MASSEMBLY-729 – lineEnding ignored when file is not filtered
  • MASSEMBLY-730 – jar-with-dependencies : a file in a dependency is overridden by the same file in JDK / JRE
  • MASSEMBLY-731 – Assembly plugin bundles symlinks as emtpy folders when directoryMode is set on fileset
  • MASSEMBLY-732 – baseDirectory is ignored with files entries


  • MASSEMBLY-702 – Add default values for directoryMode / fileMode
  • MASSEMBLY-708 – predefined descriptors lack of permission definition for unix (directoryMode/fileMode)


-The Apache Maven team