java.lang.ClassNotFoundException: org....config.RepositoryConfiguration 的解决办法

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问题概述

 在初次完成项目的构建后，启动项目时出错，提示信息“ Caused by: java.lang.ClassNotFoundException: org.springframework.data.repository.config.RepositoryConfigurationDelegate ” 找不到 RepositoryConfigurationDelegate 这个配置类 ，具体的错误内容如下图：

java.lang.NoClassDefFoundError: org/springframework/data/repository/config/RepositoryConfigurationDelegate
	at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.registerBeanDefinitions(AbstractRepositoryConfigurationSourceSupport.java:59) ~[spring-boot-autoconfigure-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.lambda$loadBeanDefinitionsFromRegistrars$1(ConfigurationClassBeanDefinitionReader.java:358) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader$$Lambda$144/282265585.accept(Unknown Source) ~[na:na]
	at java.util.LinkedHashMap.forEach(Unknown Source) ~[na:1.8.0_40]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:357) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:146) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:118) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:328) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:233) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:271) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:91) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:692) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:530) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:386) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1242) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1230) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
	at com.my.demo.DemoApplicaton.main(DemoApplicaton.java:21) [classes/:na]
Caused by: java.lang.ClassNotFoundException: org.springframework.data.repository.config.RepositoryConfigurationDelegate
	at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.8.0_40]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_40]
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[na:1.8.0_40]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_40]
	... 20 common frames omitted

2018-10-19 13:37:41.227  INFO 18060 --- [           main] ConfigServletWebServerApplicationContext : Closing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@2ad48653: startup date [Fri Oct 19 13:37:40 CST 2018]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@1725dc0f

如下图：

解决办法

这儿需要重新配置一下依赖的包，然后 “ maven update ” 即可，如下图：

整理完成后，再次启动就可以了，如下图：

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好了，关于 java.lang.ClassNotFoundException: org....config.RepositoryConfiguration 的解决办法  就写到这儿了，如果还有什么疑问或遇到什么问题欢迎扫码提问，也可以给我留言哦，我会一一详细的解答的。 
歇后语：“ 共同学习，共同进步 ”，也希望大家多多关注CSND的IT社区。

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作       者：	华    仔
联系作者：	[email protected]
来       源：	CSDN (Chinese Software Developer Network)
原       文：	https://blog.csdn.net/Hello_World_QWP/article/details/83182051
版权声明：	本文为博主原创文章，请在转载时务必注明博文出处！