Java 9 delayed... again

As expected, after the down vote of the expert group, jigsaw and Java 9 are delayed once more. This time it's a 8 week delay http://mail.openjdk.java.net/pipermail/jdk9-dev/2017-May/005864.html Will the expert group reach an agreement? I am not very optimistic, but would be happy to be proven wrong....

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Java 9 Jigsaw and OSGi

On Google+ Mark Derricut wrote about a post by RedHat's Scott Stark about Jigsaw, the Java 9 module system, as well as a follow up by Mike Hearn. I have been following Jigsaw for some years, and I found both posts very interesting. Scott's post highlights some worrying problems in the current Jigsaw...

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Virgo 3.7.0 Released

 Today Florian announced the availability of Virgo 3.7.0.  Virgo 3.7.0 brings several improvements (most notably Tomcat 8.5 and Spring Framework 4.2) and is paired by release 1.5.0 of the Virgo Tools, the Eclipse IDE integration. This is the first official Virgo release since I joined the...

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Virgo Tools 1.5

Since September 2015 I am a committer of the open source Eclipse Virgo project. I have written several posts in the past about the Eclipse Virgo OSGi application server, and after having helped the project team with patches and bug fixes I have been invited by Florian, the project lead, to join the...

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Profiling Virgo with JProfiler

The information below has been tested with JProfile 5 on Linux 64bit, and assumes that the JProfiler Agent is installed in folder /opt/jprofiler5. While this post refers to a rather old JProfiler version, I am sure the principles apply also to more recent JProfiler version.    The following...

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How to use Hyperic to monitor Eclipse Virgo 3.6

Few days ago I started looking for a monitoring tool to track the health status of our Virgo Server for Apache Tomcat instances. As I could not find anything Virgo specific, I looked for an open source...

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Tinybundles, a little gem for OSGi testing

In my OSGi applications I often make use of the OSGi extender pattern. An excellent example is available on Kai's Toedter blog. As Peter Kriens explained: In the Synchronous Bundle Listener event call back, the subsystem can look at the resources of the bundle and check if there is anything of its...

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Global JNDI support in Virgo Server 3.5 for Tomcat

This rather long post analyses four solutions to the problem of using data sources, and more in general JNDI in Virgo, the 4th being the one I recommend and decided to use, which consists in leveraging Tomcat's built-in JNDI provider in Eclipse Virgo Server for Apache Tomcat. If you are not interested...

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