See <https://builds.apache.org/job/Mahout-Quality/1561/>
- Jenkins build is unstable: Mahout-Quality #1551 Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Build failed in Jenkins: Mahout-Quality #1555 Apache Jenkins Server
- Jenkins build is unstable: Mahout-Quality #1556 Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #155... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #156... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #156... Apache Jenkins Server
- Jenkins build is still unstable: Mahout-Quality #156... Apache Jenkins Server