报错信息：
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-12-10 16:10:01.273 ERROR 20156 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
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APPLICATION FAILED TO START
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Description:
An attempt was made to call the method org.springframework.core.annotation.AnnotationUtils.isCandidateClass(Ljava/lang/Class;Ljava/lang/Class;)Z but it does not exist. Its class, org.springframework.core.annotation.AnnotationUtils, is available from the following locations:
jar:file:/D:/Lucifer/localRepository/org/springframework/spring-core/5.0.10.RELEASE/spring-core-5.0.10.RELEASE.jar!/org/springframework/core/annotation/AnnotationUtils.class
It was loaded from the following location:
file:/D:/Lucifer/localRepository/org/springframework/spring-core/5.0.10.RELEASE/spring-core-5.0.10.RELEASE.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of org.springframework.core.annotation.AnnotationUtils
Disconnected from the target VM, address: '127.0.0.1:0', transport: 'socket'
Process finished with exit code 1查看pom.xml中的jar包版本：（我这里用的到是maven helper插件）
base-framework-mysql-support模块中，spring-core：4.3.23.RELEASE；
order-service模块中，spring-core-5.0.10.RELEASE；
order-service模块引入base-framework-mysql-support模块。因此在启动order-service模块时，提示以上错误。
原因：包的版本冲突了；
解决办法：
排除jar包；通过排查，发现mybatis-plus-boot-starter中包含spring-core：4.3.23.RELEASE，因此exclusion对jar包进行排除；
<exclusions>
<exclusion>
<artifactId>spring-beans</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
</exclusions>这里我排除base-framework-mysql-support模块中的低版本的spring-core：4.3.23.RELEASE；
