Brixton.M4 + zuul：预期的单个匹配bean，但找到2：dropwizardMetricServices，servoMetricServices

Question

由于zuul缺少对PATCH（https://github.com/spring-cloud/spring-cloud-netflix/issues/412）的支持，我正试图将基于Spring Boot + Spring Cloud的项目升级到Brixton.M4版本与SC的Brixton.M3一起打包。 我有弹簧引导起动致动器和弹簧云起动zuul启用在其他之中，但现在的集装箱未能启动并出现以下错误：

No qualifying bean of type [org.springframework.boot.actuate.metrics.CounterService] is defined: 
expected single matching bean but found 2: dropwizardMetricServices,servoMetricServices 

更多堆栈跟踪：

Could not autowire field: private org.springframework.boot.actuate.metrics.CounterService org.springframework.boot.actuate.autoconfigure.MetricFilterAutoConfiguration.counterService; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: 
No qualifying bean of type [org.springframework.boot.actuate.metrics.CounterService] is defined: expected single matching bean but found 2: dropwizardMetricServices,servoMetricServices 
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573) 
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) 
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) 
... 34 more 
Caused by: org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [org.springframework.boot.actuate.metrics.CounterService] is defined: expected single matching bean but found 2: dropwizardMetricServices,servoMetricServices 
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1126) 
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014) 
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545) 
... 36 more 

类路径中确实有两个CounterService类型的Bean：DropwizardMetricServices打包在spring-boot-actuator-1.3.1.RELEASE.jar和位于spring-cloud-netflix-core-1.1.0.M4.jar中的ServoMetricServices

有什么办法可以禁用 其中一个？我检查了文档，但我找不到任何明显的方法。

谢谢！

Answer 1

你可以使用@Primary它在你的java配置文件是这样的：

@Bean 
@Primary 
public DropwizardMetricServices dropwizardMetricServices(){ 
    return new DropwizardMetricServices(); 
} 

Answer 2

小修复上述答案

@Bean 
@Primary 
public DropwizardMetricServices dropwizardMetricServices(MetricRegistry metricRegistry){ 
    return new DropwizardMetricServices(metricRegistry); 
}