Gordon Dickens, one of our trainers and architects, recently posted this on his Technophile Blog, on Roo.
LogBack is the more versatile logging strategy created by the same person that created log4j. Use the following steps to configure your Roo 1.1 project to use LogBack.
1. Create a logback.xml file in src/main/resources
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See Also: Reasons to Switch to LogBack.