What are you guys doing with CGLIB? or is this WebSphere doing some sneaky thing behind the scenes? Or is it SpringAOP doing sneaky things?
Caused by: java.lang.ClassCastException: com.adesa.data.grounding.pojo.Inventory incompatible with com.adesa.data.grounding.pojo.Inventory$$EnhancerByCGLIB$$de81aab3 At compile time we determine that "inventory" is a com.adesa.data.grounding.pojo.Inventory. If at runtime what arrives into the expression is a com.adesa.data.grounding.pojo.Inventory$$EnhancerByCGLIB$$de81aab3, and it is not a proper subclass, you might get such problems. Having said that, I will talk to Mike to check if this can be prevented somehow, but I really don't know if it will be possible... []s Edson 2008/11/25 seemamani <[EMAIL PROTECTED]> > > hi, > > We are using Drools 4.0.7 in a web application deployed in WebSphere 6.1. > Occasionally, we have rule engine failure caused by RuntimeDroolsException > (whose root cause is shown as ClassCastException) when firing rules. Other > times, the rules are executing without errors. Here is the stack trace of > the exception. What are the possible reasons? > > Thanks, > Seema > > org.drools.RuntimeDroolsException: Exception executing predicate eval( > inventory.leaseInformation != null ) > at > org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:216) > at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:137) > at > > org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318) > at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:145) > at > > org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318) > at > org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:162) > at org.drools.reteoo.Rete.assertObject(Rete.java:175) > at > org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192) > at > org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71) > at > > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:911) > at > > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:883) > at > > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:684) > at > > com.adesa.business.framework.rules.process.drools.ManagedStatefulSession.init(ManagedStatefulSession.java:87) > at > > com.adesa.business.framework.rules.process.drools.ManagedStatefulSession.fireAllRules(ManagedStatefulSession.java:100) > at > > com.adesa.business.framework.rules.process.drools.RuleEngineImpl.execute(RuleEngineImpl.java:60) > at > > com.adesa.business.framework.rules.interceptor.RulesInterceptor.applyAnnotedRules(RulesInterceptor.java:109) > at > > com.adesa.business.framework.rules.interceptor.RulesInterceptor.applyRules(RulesInterceptor.java:80) > at sun.reflect.GeneratedMethodAccessor575.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:618) > at > > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:597) > at > > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:583) > at > > org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:60) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:629) > at > > com.adesa.business.rules.RuleHandler$$EnhancerByCGLIB$$3ab6eda.fireUpdatePricing(<generated>) > at > > com.adesa.business.auction.manager.SaleEventManagerImpl.updatePricing(SaleEventManagerImpl.java:2599) > at > > com.adesa.business.auction.manager.SaleEventManagerImpl.cascadeAtEndOfAuction(SaleEventManagerImpl.java:1993) > at > > com.adesa.business.auction.manager.SaleEventManagerImpl.cascadeAtEndOfGroundingSaleEventForHyundai(SaleEventManagerImpl.java:1783) > at > > com.adesa.business.auction.manager.SaleEventManagerImpl.cascadeAtEndOfGroundingSaleEvent(SaleEventManagerImpl.java:1180) > at > > com.adesa.business.auction.manager.SaleEventManagerImpl.cascadeAtEndOfGroundingSaleEvent(SaleEventManagerImpl.java:1134) > at > > com.adesa.business.auction.service.AuctionServiceImpl.cascadeAtEndOfGroundingSaleEvent(AuctionServiceImpl.java:766) > at sun.reflect.GeneratedMethodAccessor263.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:618) > at > > org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) > at > > org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:77) > at > > com.adesa.business.framework.logging.LoggingInterceptor.profileLog(LoggingInterceptor.java:136) > at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:618) > at > > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:597) > at > > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:583) > at > > org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:60) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:50) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.aspectj.AspectJAfterThrowingAdvice.invoke(AspectJAfterThrowingAdvice.java:54) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.aspectj.AspectJAfterThrowingAdvice.invoke(AspectJAfterThrowingAdvice.java:54) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) > at > > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > at > > org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) > at $Proxy58.cascadeAtEndOfGroundingSaleEvent(Unknown Source) > at > > com.adesa.business.pricing.ejb.PricingBean.updateMBPPrice(PricingBean.java:112) > at > > com.adesa.business.pricing.ejb.EJSRemoteStatelessPricing_a0966b04.updateMBPPrice(EJSRemoteStatelessPricing_a0966b04.java:183) > at > > com.adesa.business.pricing.ejb._EJSRemoteStatelessPricing_a0966b04_Tie.updateMBPPrice(_EJSRemoteStatelessPricing_a0966b04_Tie.java:243) > at > > com.adesa.business.pricing.ejb._EJSRemoteStatelessPricing_a0966b04_Tie._invoke(_EJSRemoteStatelessPricing_a0966b04_Tie.java:108) > at > > com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDelegate.java:621) > at > com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java:474) > at com.ibm.rmi.iiop.ORB.process(ORB.java:503) > at com.ibm.CORBA.iiop.ORB.process(ORB.java:1571) > at com.ibm.rmi.iiop.Connection.respondTo(Connection.java:2701) > at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2575) > at com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:62) > at com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:118) > at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473) > Caused by: > java.lang.ClassCastException: com.adesa.data.grounding.pojo.Inventory > incompatible with > com.adesa.data.grounding.pojo.Inventory$$EnhancerByCGLIB$$de81aab3 > at ASMAccessorImpl_11448003161226563261710.getValue(Unknown Source) > at > > org.mvel.ast.VariableDeepPropertyNode.getReducedValueAccelerated(VariableDeepPropertyNode.java:22) > at > > org.mvel.ast.PropertyASTNode.getReducedValueAccelerated(PropertyASTNode.java:21) > at > > org.mvel.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:21) > at org.mvel.MVELRuntime.execute(MVELRuntime.java:90) > at org.mvel.CompiledExpression.getValue(CompiledExpression.java:111) > at org.mvel.MVEL.executeExpression(MVEL.java:235) > at > > org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:45) > at > org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:209) > -- > View this message in context: > http://www.nabble.com/ClassCastException-when-firing-rules-tp20694738p20694738.html > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > -- Edson Tirelli JBoss Drools Core Development JBoss, a division of Red Hat @ www.jboss.com
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