版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/zwx19921215/article/details/83341428
今天在更新依赖版本整合springboot1.5.x和spring kafka2.x出现如下问题：
Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2018-06-11 15:09:29.574 ERROR 6720 --- [ main] o.s.boot.SpringApplication : Application startup failed
java.lang.NoSuchMethodError: org.springframework.util.Assert.state(ZLjava/util/function/Supplier;)V
at org.springframework.kafka.listener.adapter.MessagingMessageListenerAdapter.determineInferredType(MessagingMessageListenerAdapter.java:396) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.listener.adapter.MessagingMessageListenerAdapter.<init>(MessagingMessageListenerAdapter.java:100) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.listener.adapter.RecordMessagingMessageListenerAdapter.<init>(RecordMessagingMessageListenerAdapter.java:61) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.MethodKafkaListenerEndpoint.createMessageListenerInstance(MethodKafkaListenerEndpoint.java:172) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.MethodKafkaListenerEndpoint.createMessageListener(MethodKafkaListenerEndpoint.java:132) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.AbstractKafkaListenerEndpoint.setupMessageListener(AbstractKafkaListenerEndpoint.java:338) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.AbstractKafkaListenerEndpoint.setupListenerContainer(AbstractKafkaListenerEndpoint.java:323) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.AbstractKafkaListenerContainerFactory.createListenerContainer(AbstractKafkaListenerContainerFactory.java:227) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.AbstractKafkaListenerContainerFactory.createListenerContainer(AbstractKafkaListenerContainerFactory.java:49) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.KafkaListenerEndpointRegistry.createListenerContainer(KafkaListenerEndpointRegistry.java:182) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.KafkaListenerEndpointRegistry.registerListenerContainer(KafkaListenerEndpointRegistry.java:154) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.KafkaListenerEndpointRegistry.registerListenerContainer(KafkaListenerEndpointRegistry.java:128) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.KafkaListenerEndpointRegistrar.registerAllEndpoints(KafkaListenerEndpointRegistrar.java:138) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.config.KafkaListenerEndpointRegistrar.afterPropertiesSet(KafkaListenerEndpointRegistrar.java:132) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.kafka.annotation.KafkaListenerAnnotationBeanPostProcessor.afterSingletonsInstantiated(KafkaListenerAnnotationBeanPostProcessor.java:229) ~[spring-kafka-2.0.0.RELEASE.jar:2.0.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:781) ~[spring-beans-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.10.RELEASE.jar:1.5.10.RELEASE]经过查阅相关资料发现这是版本依赖不匹配造成的即：版本之间的对应问题。
解决方法：
如果继续使用spring-kafka2.x，那么则需要升级springboot为2.x；如果不想升级springboot，则需要将spring-kafka版本降级为1.3.x及以下