See <https://builds.apache.org/job/PDFBox-trunk/818/changes>
- Jenkins build became unstable: PDFBox-trunk #818 Apache Jenkins Server
- Jenkins build is still unstable: PDFBox-trunk #... Apache Jenkins Server
- Jenkins build is still unstable: PDFBox-tru... Apache Jenkins Server
- Jenkins build is still unstable: PDFBox... Apache Jenkins Server
- Jenkins build is back to stable : P... Apache Jenkins Server
