Go to Bamboo administration > System -> Log settings. Then add the app key (see table below) for "Classpath" and choose DEBUG as "Type". You should then see log messages of the app with severity DEBUG either in your Bamboo Server log (BAMBOO_HOME/logs/atlassian-bamboo.log) or in the Remote Agent server log.



App Keys Bamboo Apps


AppApp Key
Plan DSL for Bambooch.mibex.bamboo.plandsl
ShipIt to Marketplace for Bambooch.mibex.bamboo.shipit
Include Code Quality for Bamboo (formerly Sonarâ„¢ for Bamboo)ch.mibex.bamboo.sonar4bamboo
Who broke it? for Bambooch.mibex.bamboo.whobrokeit