See <https://builds.apache.org/job/PDFBox%201.8.x%20(JDK7)/org.apache.pdfbox$pdfbox/131/changes>
- Jenkins build became unstable: PDFBox 1.8.x (JDK7) ... Apache Jenkins Server
- Jenkins build is back to stable : PDFBox 1.8.x ... Apache Jenkins Server
See <https://builds.apache.org/job/PDFBox%201.8.x%20(JDK7)/org.apache.pdfbox$pdfbox/131/changes>