Godmar, I copied and pasted your rule and run a simple test using the same version of jars you mentioned bellow, but I can't reproduce the problem you are having. If it is still a problem for you, can you zip a sample test showing the problem and send us? Thanks, Edson 2008/2/13, Godmar Back <godmar(a)gmail.com&gt;: > > > > Hi, > > I've recently upgraded to Drools 4.0.4 with mvel14-1.2.21.jar, and I'm > having severe issues with its parser. > For instance, this simple .drl file: > > -- > package test; > > rule "Rule #1" > dialect "mvel" > when > then > /* a single-line comment */ > System.out.println("hello world"); > end > -- > > results in: > org.mvel.PropertyAccessException: unable to resolve property: ; > at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:285) > at org.mvel.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:107) > at org.mvel.ASTNode.getReducedValueAccelerated(ASTNode.java:185) > at org.mvel.MVELRuntime.execute(MVELRuntime.java:88) > at org.mvel.CompiledExpression.getValue(CompiledExpression.java:107) > at org.mvel.MVEL.executeExpression(MVEL.java:223) > at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:47) > at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) > at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) > at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) > at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) > > -- > Switching to dialect "java," or removing the /* single-line comment > */, helps. So does replacing the comment with a // style comment. > There are many more weirdnesses I'm encountering (I've filed a number > of bugs already), but I'm wondering if something else isn't amiss > here. I also tried mvel16-1.2.22.jar, same effect. On the other hand, > running just the RHS in mvelsh works just fine. > > In this context, I'd like to voice the wish that Drools include a > command-line driver that can load and execute .drl files for testing. > > - Godmar > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > -- Edson Tirelli JBoss Drools Core Development Office: +55 11 3529-6000 Mobile: +55 11 9287-5646 JBoss, a division of Red Hat @ www.jboss.com _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users