Jeff Mesnil’s Weblog

After complaining in my previous post, here is a more constructive guide to use JavaScript with Apple’s Java 6 VM:

Download JSR 223’s engines Copy jsr223-engines/javascript/build/js-engine.jar to /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home/lib/ext/ Download Rhino Copy rhino1_7R1/js.jar to /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home/lib/ext/

You can now use a “JavaScript” engine from Apple’s Java 6 VM:

public class ScriptTest { public static void main(String[] args) throws Exception { […]

I had an idea about using JavaScript from Java 6 and I wanted to give it a try on my MacBook. No such luck: Apple has recently released Java 6 for Mac OS X Leopard but somehow it does not include Rhino, the Mozilla’s JavaScript engine bundled in Sun Java 6 release.

Instead they provided only one […]

From Tim Koopmans:

After getting nowhere with lack luster HP support, I turned to the power of the Open Source community and got a very simple script up and running to remotely monitor Weblogic JVM Performance and JMS queues using JMX and JRuby.

[…]

This script will […]

jmx4r 0.0.5 has just been released (jmx4r is a JRuby library which makes it super easy to write simple Ruby scripts to manage Java applications using JMX).

There is only one enhancement to this release but it is an important one: you can now specify a custom JMX URL to connect to a MBean Server.

Before this […]

I use Subversion for my daily work (and CVS before that) but I’ve never used a distributed VCS before. One of my ex-colleagues, Marc, explained to me all the advantages of these systems but I never took the time to play with them. With all the increasing noise about Git and Mercurial, I’m now curious to learn […]