hello As per release note of drools 5.4.0 final the following statment is mentioned. "Debugging with Java is not working. Debugging with MVEL is not affected." whether Breakpoints in Rule RHS are working with java / mvel dialect?? do any one try debugging with drools 5.4.0.final? Thank you joy -- View this message in context: http://drools.46999.n3.nabble.com/Debugging-in-drools-version-5-4-0-Final... Sent from the Drools: User forum mailing list archive at Nabble.com.