Overriding bean configuration in spring?

One way of overriding the bean definition is what you have indicated - to define it with the same id multiple times and the last bean definition with the same id is the one which takes effect. So if you ensure that ExtX is the last one loaded up, it should just work, and to ensure this you can do this in your war file, instead of loading up by saying classpath:springfolder you can explicitly import the core configuration in your war's Spring config file and then override the bean this way.

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