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Mar 08, 2017 at 02:16 PM

Null pointer exception in promotion trail 6.3

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Hi Experts, I am exploring promotion trails on hybris 6.3 version, I followed all the mention steps. When i wast testing the promotion on last step its giving me null pointer exception. Its because of getCxPromotionActionResults() giving null values.

How to handle this situation.

StackTrace :

SEVERE: Servlet.service() for servlet [DispatcherServlet] in context with path [/yacceleratorstorefront] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.NullPointerException at java.util.AbstractCollection.addAll(AbstractCollection.java:343) at de.hybris.platform.personalizationpromotions.extractor.CxPromotionCartRAOFactExtractor.expandFact(CxPromotionCartRAOFactExtractor.java:37) at de.hybris.platform.ruleengineservices.rao.providers.impl.AbstractExpandedRAOProvider.lambda$3(AbstractExpandedRAOProvider.java:105) at de.hybris.platform.ruleengineservices.rao.providers.impl.AbstractExpandedRAOProvider.lambda$4(AbstractExpandedRAOProvider.java:123) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1540) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at de.hybris.platform.ruleengineservices.rao.providers.impl.AbstractExpandedRAOProvider.expandRAO(AbstractExpandedRAOProvider.java:123) at de.hybris.platform.ruleengineservices.rao.providers.impl.DefaultCartRAOProvider.expandRAO(DefaultCartRAOProvider.java:76) at de.hybris.platform.ruleengineservices.rao.providers.impl.DefaultCartRAOProvider.expandRAO(DefaultCartRAOProvider.java:1) at de.hybris.platform.ruleengineservices.rao.providers.impl.AbstractExpandedRAOProvider.expandFactModel(AbstractExpandedRAOProvider.java:66) at de.hybris.platform.ruleengineservices.rao.providers.impl.AbstractExpandedRAOProvider.expandFactModel(AbstractExpandedRAOProvider.java:58) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.provideRAOs(DefaultPromotionEngineService.java:200) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.prepareContext(DefaultPromotionEngineService.java:168) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.evaluate(DefaultPromotionEngineService.java:145) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.updatePromotionsNotThreadSafe(DefaultPromotionEngineService.java:315) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.updatePromotions(DefaultPromotionEngineService.java:304) at de.hybris.platform.promotionengineservices.promotionengine.impl.DefaultPromotionEngineService.updatePromotions(DefaultPromotionEngineService.java:338) at de.hybris.platform.commerceservices.order.impl.DefaultCommerceCartCalculationStrategy.calculateCart(DefaultCommerceCartCalculationStrategy.java:77) at de.hybris.platform.commerceservices.order.impl.DefaultCommerceCartCalculationStrategy.calculateCart(DefaultCommerceCartCalculationStrategy.java:58) at de.hybris.platform.commerceservices.order.impl.DefaultCommerceDeliveryAddressStrategy.storeDeliveryAddress(DefaultCommerceDeliveryAddressStrategy.java:63) at de.hybris.platform.commerceservices.order.impl.DefaultCommerceCheckoutService.setDeliveryAddress(DefaultCommerceCheckoutService.java:101) at de.hybris.platform.commercefacades.order.impl.DefaultCheckoutFacade.setDeliveryAddressIfAvailable(DefaultCheckoutFacade.java:253) at de.hybris.platform.yacceleratorstorefront.controllers.pages.checkout.steps.DeliveryAddressCheckoutStepController.enterStep(DeliveryAddressCheckoutStepController.java:63) at de.hybris.platform.yacceleratorstorefront.controllers.pages.checkout.steps.DeliveryAddressCheckoutStepController$$FastClassBySpringCGLIB$$f5286c8f.invoke() at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:720) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85) at de.hybris.platform.acceleratorstorefrontcommons.checkout.steps.validation.QuoteCheckoutStepValidationAspect.validateQuoteCheckoutStep(QuoteCheckoutStepValidationAspect.java:44) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:629) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85) at de.hybris.platform.acceleratorstorefrontcommons.checkout.steps.validation.CheckoutStepValidationAspect.validateCheckoutStep(CheckoutStepValidationAspect.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:629) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) at de.hybris.platform.yacceleratorstorefront.controllers.pages.checkout.steps.DeliveryAddressCheckoutStepController$$EnhancerBySpringCGLIB$$f1637d7.enterStep() at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:255) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$StatisticsGatewayFilter.doFilter(AbstractPlatformFilterChain.java:344) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at de.hybris.platform.servicelayer.web.SecureMediaFilter.doFilter(SecureMediaFilter.java:111) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at de.hybris.platform.assistedservicestorefront.filter.AssistedServiceFilter.doFilterInternal(AssistedServiceFilter.java:86) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at de.hybris.platform.yacceleratorstorefront.filters.CustomerLocationRestorationFilter.doFilterInternal(CustomerLocationRestorationFilter.java:52) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at de.hybris.platform.yacceleratorstorefront.filters.CartRestorationFilter.doFilterInternal(CartRestorationFilter.java:64) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at de.hybris.platform.yacceleratorstorefront.filters.AnonymousCheckoutFilter.doFilterInternal(AnonymousCheckoutFilter.java:36) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:225) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilt