java.lang.RuntimeException: cannot invoke getter ------------------------------------------------ Key: DROOLS-394 URL: https://issues.jboss.org/browse/DROOLS-394 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Reporter: leonardo lizana Assignee: Mark Proctor we are using drools 5.4.final. and below is the rule rule "EnergyUsage data not empty" dialect "java" salience 100 no-loop when $httpResponse : HttpResponse( (((EnergyUsage)responseData).energyUsageDetail.billingGroup!=null && ((EnergyUsage)responseData).energyUsageDetail.billingGroup!=0) || ((EnergyUsage)responseData).energyUsageDetail.capacityPLCs.size()>0 || ((EnergyUsage)responseData).energyUsageDetail.networkServicePLCs.size()>0 || ((EnergyUsage)responseData).energyUsageDetail.servicePoint!=null || ((EnergyUsage)responseData).energyUsageDetail.historicalUsages.size() > 0 ); then System.out.println("[EnergyUsage data not empty] rule has been fired..."); $httpResponse.setStatusCode(EisConstants.STATUS_OK); $httpResponse.setErrorMessage(""); end rule "EnergyUsage data empty" dialect "java" no-loop when $httpResponse : HttpResponse( (((EnergyUsage)responseData).energyUsageDetail.billingGroup==null || ((EnergyUsage)responseData).energyUsageDetail.billingGroup==0) && ((EnergyUsage)responseData).energyUsageDetail.capacityPLCs.size()==0 && ((EnergyUsage)responseData).energyUsageDetail.networkServicePLCs.size()==0 && ((EnergyUsage)responseData).energyUsageDetail.servicePoint==null && ((EnergyUsage)responseData).energyUsageDetail.historicalUsages.size() == 0 ); then System.out.println("[EnergyUsage data empty] rule has been fired..."); $httpResponse.setStatusCode(EisConstants.STATUS_OK); $httpResponse.setErrorMessage("Data Screen Scrapping is empty for this account"); end Here is log error: ------------------------- java.lang.RuntimeException: cannot invoke getter: getEnergyUsageDetail [declr.class: com.bluestarenergy.core.eis.common.usage.EnergyUsage; act.class: com.bluestarenergy.core.eis.common.usage.EnergyUsage] (see trace) at org.mvel2.optimizers.impl.refl.nodes.GetterAccessor.getValue(GetterAccessor.java:74) at org.mvel2.ast.Union.getReducedValueAccelerated(Union.java:41) at org.mvel2.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:107) at org.mvel2.ast.Or.getReducedValueAccelerated(Or.java:34) at org.mvel2.ast.Or.getReducedValueAccelerated(Or.java:34) at org.mvel2.ast.Or.getReducedValueAccelerated(Or.java:34) at org.mvel2.ast.Or.getReducedValueAccelerated(Or.java:34) at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85) at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:123) at org.mvel2.MVEL.executeExpression(MVEL.java:930) at org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:70) at org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:49) at org.drools.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:167) at org.drools.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:124) at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:137) at org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497) at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382) at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:235) at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:240) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:337) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:298) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:888) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:847) at org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:269) at com.aepenergy.b2b.services.energyusage.UsageRulesServiceImpl.ruleCompliance(UsageRulesServiceImpl.java:19) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) at $Proxy161.ruleCompliance(Unknown Source) at com.aepenergy.b2b.services.energyusage.EnergyUsageCommunicationServiceImpl.processRequestEnergyUsageHttp(EnergyUsageCommunicationServiceImpl.java:52)