今天集成zuul与consul的时候，出现如下错误
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APPLICATION FAILED TO START
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Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
org.springframework.cloud.client.discovery.health.DiscoveryCompositeHealthIndicator.<init>(DiscoveryCompositeHealthIndicator.java:42)
The following method did not exist:
org.springframework.boot.actuate.health.CompositeHealthIndicator.<init>(Lorg/springframework/boot/actuate/health/HealthAggregator;)V
The method's class, org.springframework.boot.actuate.health.CompositeHealthIndicator, is available from the following locations:
jar:file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-actuator/2.2.1.RELEASE/spring-boot-actuator-2.2.1.RELEASE.jar!/org/springframework/boot/actuate/health/CompositeHealthIndicator.class
It was loaded from the following location:
file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-actuator/2.2.1.RELEASE/spring-boot-actuator-2.2.1.RELEASE.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of org.springframework.boot.actuate.health.CompositeHealthIndicator
原因：
springcloud与springboot的版本上存在存问题
版本对应可以在https://spring.io/projects/spring-cloud上查看
将spring boot版本换成2.1.8.RELEASE
启动正常