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In this post I will show you how to setup two or more data sources in a Spring application where the access to the database is done via JPA. It will be a XML-based Spring configuration. To highlight the setup I will use a showcase that builds on an existing demo example I have committed on GitHub, that covers other two posts of mine
Don’t worry! You don’t have to understand what’s going on in those if you just want to see how the setup for multiple data sources looks like – I’ll do a quick introduction in the first part of the post.