Spring Cloud学习过程中遇到的Bug Error creating bean with name 'scopedTarget.eurekaClient' defined in class

在引入spring-cloud-starter-netflix-eureka-client和spring-boot-starter-web两个依赖的时候,会出现冲突。由于代码里面,我用了Spring MVC的Rest方式,而没有用spring-cloud-starter-netflix-eureka-client本身包含Jesery Rest方式。导致出现下面的BUG。

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'scopedTarget.eurekaClient' defined in class path resource [org/springframework/cloud/netflix/eureka/EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.netflix.discovery.EurekaClient]: Factory method 'eurekaClient' threw exception; nested exception is java.lang.RuntimeException: Failed to initialize DiscoveryClient!
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:587) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:348) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.cloud.context.scope.GenericScope$BeanLifecycleWrapper.getBean(GenericScope.java:390) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.context.scope.GenericScope.get(GenericScope.java:184) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:345) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.aop.target.SimpleBeanTargetSource.getTarget(SimpleBeanTargetSource.java:35) ~[spring-aop-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getTargetObject(EurekaRegistration.java:167) ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getEurekaClient(EurekaRegistration.java:156) ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.maybeInitializeClient(EurekaServiceRegistry.java:57) [spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.register(EurekaServiceRegistry.java:39) [spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaAutoServiceRegistration.start(EurekaAutoServiceRegistration.java:80) [spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:52) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:157) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:121) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:884) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:161) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552) [spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:388) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1234) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at cn.springcloud.book.feign.SCFeignFileServerApplication.main(SCFeignFileServerApplication.java:13) [classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.netflix.discovery.EurekaClient]: Factory method 'eurekaClient' threw exception; nested exception is java.lang.RuntimeException: Failed to initialize DiscoveryClient!
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:579) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    ... 30 common frames omitted
Caused by: java.lang.RuntimeException: Failed to initialize DiscoveryClient!
    at com.netflix.discovery.DiscoveryClient.(DiscoveryClient.java:411) ~[eureka-client-1.9.2.jar:1.9.2]
    at com.netflix.discovery.DiscoveryClient.(DiscoveryClient.java:269) ~[eureka-client-1.9.2.jar:1.9.2]
    at org.springframework.cloud.netflix.eureka.CloudEurekaClient.(CloudEurekaClient.java:63) ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration.eurekaClient(EurekaClientAutoConfiguration.java:269) ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration$$EnhancerBySpringCGLIB$$65d6df3a.CGLIB$eurekaClient$1() ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration$$EnhancerBySpringCGLIB$$65d6df3a$$FastClassBySpringCGLIB$$1593a3a3.invoke() ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) ~[spring-core-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361) ~[spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration$$EnhancerBySpringCGLIB$$65d6df3a.eurekaClient() ~[spring-cloud-netflix-eureka-client-2.0.0.RELEASE.jar:2.0.0.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
    ... 31 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/apache/http/conn/ssl/X509HostnameVerifier
    at com.netflix.discovery.shared.transport.jersey.JerseyEurekaHttpClientFactory.newBuilder(JerseyEurekaHttpClientFactory.java:165) ~[eureka-client-1.9.2.jar:1.9.2]
    at com.netflix.discovery.shared.transport.jersey.JerseyEurekaHttpClientFactory.create(JerseyEurekaHttpClientFactory.java:139) ~[eureka-client-1.9.2.jar:1.9.2]
    at com.netflix.discovery.shared.transport.jersey.Jersey1TransportClientFactories.newTransportClientFactory(Jersey1TransportClientFactories.java:59) ~[eureka-client-1.9.2.jar:1.9.2]
    at com.netflix.discovery.DiscoveryClient.scheduleServerEndpointTask(DiscoveryClient.java:485) ~[eureka-client-1.9.2.jar:1.9.2]
    at com.netflix.discovery.DiscoveryClient.(DiscoveryClient.java:398) ~[eureka-client-1.9.2.jar:1.9.2]
    ... 44 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.apache.http.conn.ssl.X509HostnameVerifier
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_151]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_151]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) ~[na:1.8.0_151]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_151]
    ... 49 common frames omitted

解决办法:

		
			org.springframework.boot
			spring-boot-starter-web
		

		
			org.springframework.cloud
			spring-cloud-starter-netflix-eureka-client
			
			
				
					com.sun.jersey
					jersey-client
				
				
					com.sun.jersey
					jersey-core
				
				
					com.sun.jersey.contribs
					jersey-apache-client4
				
			
		

 

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