See <https://builds.apache.org/job/PDFBox-trunk/1050/changes>
- Build failed in Jenkins: PDFBox-trunk #1046 Apache Jenkins Server
- Build failed in Jenkins: PDFBox-trunk #1047 Apache Jenkins Server
- Jenkins build is unstable: PDFBox-trunk #10... Apache Jenkins Server
- Jenkins build is still unstable: PDFBox... Apache Jenkins Server
- Jenkins build is back to stable : P... Apache Jenkins Server
