Apache Commons Configuration

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  1. 5151c6a No need to nest in else. by Gary Gregory · 3 days ago master
  2. b0839bd Update commons-lang3 3.11 -> 3.12.0. by Gary Gregory · 6 days ago
  3. c6886ec Use varargs. by Gary Gregory · 8 days ago
  4. 9857c5a Raise embedded if into parent if. by Gary Gregory · 8 days ago
  5. 12df410 Clean up imports. by Gary Gregory · 8 days ago

Apache Commons Configuration

Build Status Coverage Status Maven Central Javadocs

Tools to assist in the reading of configuration/preferences files in various formats


More information can be found on the Apache Commons Configuration homepage. The Javadoc can be browsed. Questions related to the usage of Apache Commons Configuration should be posted to the user mailing list.

Where can I get the latest release?

You can download source and binaries from our download page.

Alternatively you can pull it from the central Maven repositories:



We accept Pull Requests via GitHub. The developer mailing list is the main channel of communication for contributors. There are some guidelines which will make applying PRs easier for us:

  • No tabs! Please use spaces for indentation.
  • Respect the code style.
  • Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
  • Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running mvn clean test.

If you plan to contribute on a regular basis, please consider filing a contributor license agreement. You can learn more about contributing via GitHub in our contribution guidelines.


This code is under the Apache Licence v2.

See the NOTICE.txt file for required notices and attributions.


You like Apache Commons Configuration? Then donate back to the ASF to support the development.

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