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Editorial Team
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Asked: 2026-06-07T23:49:02+00:00

I am starting an active mq broker using my own config file: ./apache-activemq-5.6.0/bin/activemq console

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I am starting an active mq broker using my own config file:

./apache-activemq-5.6.0/bin/activemq console xbean:custom-broker.xml

The broker is using some classes I have defined which reside in a jar. For a while now I was just sticking the jar in the activemq lib folder, and everything worked fine.
However I would now like for active mq to pick up the jar from a different folder, something which the --extdir option claims to be capable of doing. However I can’t get it to work.
I am executing the command:

./apache-activemq-5.6.0/bin/activemq console xbean:custom-broker.xml --extdir ../mylib/

where the jar in question is located in mylib, and am getting ClassNotFoundException every time.

What am I missing?

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1 Answer

  1. Editorial Team

    Resolved. –extdir does work as expected, turns out someone changed the name of one of the packages by like 1 character, and this is why activemq couldnt find the class in question in the jar :P.
    Also worth noting that if you want to add multiple folders to active mq’s classpath, then you need to repeat –extdir multiple times, as in “–extdir foldr1 –extdir foldr2” as documented here:

    http://activemq.2283324.n4.nabble.com/Is-there-anyway-to-get-activeMQ-to-pick-up-a-jar-at-runtime-other-than-adding-it-to-the-activemqinst-td4654121.html#a4654190

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