Yes? No? Don&#39;t know? None of the previous?<div><br><div class="gmail_quote">On 8 February 2012 11:43, Wolfgang Laun <span dir="ltr">&lt;<a href="mailto:wolfgang.laun@gmail.com">wolfgang.laun@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Is this already known and fixed in 5.4.0? The problem occurs when you<br>
have, e.g.,<br>
<br>
   Fact( foo.bar == &quot;baz&quot; )<br>
<br>
Stack dump:<br>
<br>
Exception in thread &quot;main&quot; java.lang.NoClassDefFoundError: monitor/Monitor<br>
        at ASMAccessorImpl_114212541328697624590.getValue(Unknown Source)<br>
        at org.mvel2.optimizers.dynamic.DynamicGetAccessor.getValue(DynamicGetAccessor.java:73)<br>
        at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:106)<br>
        at org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:42)<br>
        at org.mvel2.MVEL.executeExpression(MVEL.java:954)<br>
        at org.drools.base.extractors.MVELClassFieldReader.getValue(MVELClassFieldReader.java:100)<br>
        at org.drools.base.extractors.BaseObjectClassFieldReader.isNullValue(BaseObjectClassFieldReader.java:179)<br>
        at org.drools.rule.VariableRestriction$ObjectVariableContextEntry.updateFromFactHandle(VariableRestriction.java:338)<br>
        at org.drools.common.SingleBetaConstraints.updateFromFactHandle(SingleBetaConstraints.java:118)<br>
        at org.drools.reteoo.NotNode.modifyRightTuple(NotNode.java:339)<br>
        at org.drools.reteoo.BetaNode.modifyObject(BetaNode.java:431)<br>
        at org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:468)<br>
        at org.drools.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:436)<br>
        at org.drools.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:288)<br>
        at org.drools.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:271)<br>
        at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:459)<br>
        at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:363)<br>
        at org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:298)<br>
        at monitor.Rule_stop_monitoring.defaultConsequence(Rule_stop_monitoring.java:8)<br>
        at monitor.Rule_stop_monitoringDefaultConsequenceInvoker.evaluate(Unknown<br>
Source)<br>
        at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1091)<br>
        at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1029)<br>
        at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1251)<br>
        at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:708)<br>
        at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:672)<br>
        at org.drools.common.Scheduler$ActivationTimerJob.execute(Scheduler.java:90)<br>
        at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:46)<br>
        at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:13)<br>
        at org.drools.time.impl.PseudoClockScheduler.runCallBacks(PseudoClockScheduler.java:203)<br>
        at org.drools.time.impl.PseudoClockScheduler.advanceTime(PseudoClockScheduler.java:156)<br>
</blockquote></div><br></div>