Christoph Jahn

One of the less known libraries of the Apache Commons project is JXPath which implements XPath (and not only for accessing Java beans but of course also DOM structures). Documentation, however, is scarce so the tutorial provided on http://www.tfo-eservices.eu/wb_tutorials/media/JXPathTutorial/PDF/JXpathTutorial.pdf is something you want to look at.

I hadn’t looked into the topic of Java decompilers for quite a while and was interested to learn from a colleague about the Java Decompiler project. It comes with either an Eclipse plug-in or a stand-alone GUI that doesn’t require installation.
http://java.decompiler.free.fr/http://java.decompiler.free.fr/

I recently looked into the subject of cross-platform installation. In this context I have come across the multi-platform installer IzPack (there is also an interview on InfoQ). Although this creates Java installers, as opposed to native formats like MSI or RPM which I prefer, it seems to be an interesting product. So I will spend [...]

Nicolas Whitehead has written a very nice series of articles on Java run-time monitoring. They are published at the IBM Developer Works site and you should definitely check them out.
* Part 1, Run-time performance and availability monitoring for Java systems
* Part 2, Post-compilation instrumentation and performance monitoring
* Part 3, Monitoring performance and availability of an [...]