By default when you create a Run Configuration for Brooklyn in IntelliJ it logs in full DEBUG mode. You can however override the classpath logback.xml.
Set the following VM Option
in your Brooklyn Application Run Configuration, this should be a full path, using ~
doesn't work:
-Dlogback.configurationFile="/full/path/to/logback.xml"
An example logback configuration file is shown below, note that the appenders etc are being pulled from the classpath.