雷神谷粒商城-启动renren-fast报错：

报错内容如下：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'bootstrapImportSelectorConfiguration': Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationPropertiesBean

    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:584)

    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498)

    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)

    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)

    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:846)

    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:863)

    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)

    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)

    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)

    at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:139)

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:206)

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:117)

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:74)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)

    at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:75)

    at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)

    at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:347)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:306)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)

    at com.mth.eureka.vip.VipApplication.main(VipApplication.java:27)

Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationPropertiesBean

    at org.springframework.cloud.context.properties.ConfigurationPropertiesBeans.postProcessBeforeInitialization(ConfigurationPropertiesBeans.java:94)

    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:419)

    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1737)

    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576)

    ... 26 common frames omitted

Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationPropertiesBean

    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

    ... 30 common frames omitted

---

解决办法：

此问题是由springboot和springcloud版本不兼容导致的

将springboot版本改成：2.1.8.RELEASE
将springcloud版本改成：Greenwich.SR3
问题即可解决

注意：跟着雷神做谷粒商城的时候，为了避免后续由于版本依赖引起各式各样的问题，建议从一开始就用雷神版本，现在下载的renren-fast和renren-generator有些依赖版本很高，反正我用高版本的时候遇到了很多问题，虽然目前都解决了，但是耗时耗力，有些小问题会耗费很久的时间，不过收获还是挺大的，解决问题的过程就是巩固学习的过程！