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From Gary Tully <>
Subject Re: Is there anyway to get activeMQ to pick up a jar at runtime other than adding it to the activemqinstalldir/lib folder?
Date Thu, 19 Jul 2012 15:21:21 GMT
It looks like you can repeat --extdir to provide multiple values

there is also the activemq.classpath system property that is a list,
it can be specified in the start script via env ACTIVEMQ_CLASSPATH

have a peek at

to see how the classloader is configured and --extdir is parsed.

On 19 July 2012 16:00, marcus.mathioudakis
<> wrote:
> Gary thanks for your prompt reply, I did a fresh install and it now seems to
> be working as mentioned above. My problem is however that I have jars in
> different levels of a lib folder hierarchy, which I would like to all be
> picked up. So for example OSBA.jar is in somefolder and hrules.jar is in
> somefolder/lib, and I would like for activemq to find both of them on
> startup. However extdirs doesn't seem to accept multiple directories as
> arguments, and only searches the given folder for jars (without looking into
> nested folders). Is there any way of doing this, or do I have to place every
> single jar I want picked up into one folder?
> --
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