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From "Ruwan Linton" <>
Subject Hot deployment and hot update support of mediators
Date Fri, 14 Sep 2007 05:32:23 GMT
Hi all,

I have done a MediatorDeployer to support hot deployment of mediators
(r575533) which basically is an Axis2 Deployer which is keeping an eye on a
specified folder and gives the control to the deploy method on any file
change of specified extensions.

I have put the folder as repository/mediators for mediator lookup and the
extension as .jar, which is configurable through the axis2.xml in the

This implementation does not use the service providers concept because it is
only supported by the sun jdk. Instead I read the same file
(META-INF/services/org.apache.synapse.config.xml.MediatorFactory) in the
deployer to find the factory implementation and Class.forName that factory,
so that all the required classes will be loaded. Then the deployer will
register the factory implementation with the MediatorFactoryFinder. Did the
same for serializer as well.

If a particular jar contains several mediators then you have to specify the
factory implementations separated by line breaks in the
org.apache.synapse.config.xml.MediatorFactory file. As usual it is required
to present this file and at least one entry should be there and Serializer
is optional.

Any comments .....


Ruwan Linton - "Oxygenating the Web Services Platform"

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