Hello I just downloaded the eclipse helios 3.6.2 (instead of 3.7.2) & installed the drools plugin corresponding to this eclipse version (add new software in local) and the debug mode works fine now. maybe a pb of version? too recent? bruno grandjean -- View this message in context: http://drools.46999.n3.nabble.com/debug-tp3889772p3900351.html Sent from the Drools: User forum mailing list archive at Nabble.com.