[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.1:prepare (default-cli) on project project-numbering-howto: Unable to commit files
[ERROR] Provider message:
[ERROR] The svn command failed.
[ERROR] Command output:
[ERROR] svn: Commit failed (details follow):
[ERROR] svn: MKACTIVITY of '/svn/!svn/act/d6ecf2cb-807d-1742-a503-780103d3ff15': authorization failed: Could not authenticate to server: rejected Basic challenge (https://minimaxexamples.googlecode.com)