When testing using a database with rollback after each test, failing tests are very hard to resolve. Data Storm is a simple DB viewer directly launchable from within your test code to enable you to inspect the current state of the database.
LimpidLog is a revolutionary logging for Java and J2EE. No hard-coded log statements required. Classes are dynamically registered at runtime. See http://www.acelet.com/limpidlog/ and related http://www.acelet.com/super/LimpidDebugger/