Hi all. I'm new in this list and I have a year working with rules (integrated with Spring). We are using drools 2.5 despite is legacy. We want to change rules at runtime without redeploying the whole application. I tried with the ruleAdministrator, deregistering the rule source and registering again but I had a problem creating the RuleExecutionSet with the createRuleExecutionSet method from LocalRuleExecutionSetProvider. It didn't see any of my class and I got a "unable to find class XXX" RuleExecutionSetCreateException every time I tried to create a rule set from a file. What I don't understand is how does Spring load all my rules the first time? I don't know if I have to set som classpath manually and if I do, where? I'll appreciate all the help you could give me. Bye. -- Carlos Henriquez +58-416-839.94.28