When rules are compiled using kie-maven-compile, the event handlers implementing 

RuleRuntimeEventListener no longer have the rule that triggered them set (ObjectInsertedEvent.getRule() is null) . 

public class MyListener implements RuleFactEventListener {

@Override
public void objectInserted(final ObjectInsertedEvent event) {
 System.out.println(event.getRule()); // Throws exception
}

It only happens when the compiler plugin is invoked. If the rules are used as such, the event is properly set.