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If you don't yet have a ~/.m2/settings.xml file, you should create one, and copy the full contents above (obviously make sure to put in your username and password).

Use Maven

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3 or above

Make sure you're using a recent version of Maven. As of this writing, both Maven 23.20.1 and Maven 3 were known to work.In particular, avoid using either Maven 2.1.0 or 2.2.0 as both have know issues with the Sonatype Release Process. Maven 2.2.0 has a serious bug that affects deployments: MNG-4235. Maven 2.1.0 also is problematic, as it produces improper GPG signaturesor 3.0.4 is known to work.

For more information see the Prerequisites section of the Sonatype Maven Repository Usage Guide

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