关于springboot2.0整合eureka报错的问题

zyx7653296 2019-03-22 09:44:51
这是我的pom.xml文件


	<parent>

		<groupId>org.springframework.boot</groupId>

		<artifactId>spring-boot-starter-parent</artifactId>

		<version>2.0.1.RELEASE</version>

	</parent>

	<dependencyManagement>

		<dependencies>

			<dependency>

				<groupId>org.springframework.cloud</groupId>

				<artifactId>spring-cloud-dependencies</artifactId>

				<version>Finchley.RELEASE</version>

				<type>pom</type>

				<scope>import</scope>

			</dependency>

		</dependencies>

	</dependencyManagement>

	<dependencies>

		<!--SpringCloud eureka-server -->

		<dependency>

			<groupId>org.springframework.cloud</groupId>

			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>

		</dependency>

	</dependencies>

	<repositories>

		<repository>

			<id>spring-milestones</id>

			<name>Spring Milestones</name>

			<url>https://repo.spring.io/libs-milestone</url>

			<snapshots>

				<enabled>false</enabled>

			</snapshots>

		</repository>

	</repositories>

下面是我的启动类


package com.zyx.app;



import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@EnableEurekaServer

@SpringBootApplication

public class AppEureka {



	public static void main(String[] args) {

		SpringApplication.run(AppEureka.class, args);

	}



}

然后一启动，就这样了。。。
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2019-03-22 21:34:19.278 ERROR 13368 --- [           main] o.s.boot.SpringApplication               : Application run failed



org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration': Unsatisfied dependency expressed through field 'optionalArgs'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'discoveryClientOptionalArgs' defined in class path resource [org/springframework/cloud/netflix/eureka/config/DiscoveryClientOptionalArgsConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [com.netflix.discovery.AbstractDiscoveryClientOptionalArgs] from ClassLoader [sun.misc.Launcher$AppClassLoader@659e0bfd]

	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:587) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1344) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:578) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]

	at com.itmayiedu.app.AppEureka.main(AppEureka.java:28) [classes/:na]

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'discoveryClientOptionalArgs' defined in class path resource [org/springframework/cloud/netflix/eureka/config/DiscoveryClientOptionalArgsConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [com.netflix.discovery.AbstractDiscoveryClientOptionalArgs] from ClassLoader [sun.misc.Launcher$AppClassLoader@659e0bfd]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:251) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:584) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	... 19 common frames omitted

Caused by: java.lang.IllegalStateException: Failed to introspect Class [com.netflix.discovery.AbstractDiscoveryClientOptionalArgs] from ClassLoader [sun.misc.Launcher$AppClassLoader@659e0bfd]

	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:659) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:519) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.buildLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:207) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.findLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:188) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(InitDestroyAnnotationBeanPostProcessor.java:127) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:297) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1016) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]

	... 28 common frames omitted

Caused by: java.lang.NoClassDefFoundError: com/netflix/eventbus/spi/EventBus

	at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_73]

	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_73]

	at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_73]

	at org.springframework.util.ReflectionUtils.getDeclaredMethods(Refle
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某某开发仔。 2019-12-30
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为什么相同的代码在不同电脑会出现这个问题呀 我现在也有类似的情况，在我电脑运行会报跟你这基本相同的错误，在另一台电脑又没有错误
JazzyChen 2019-10-10
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<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.1.RELEASE</version> </parent> 改为 <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.21.RELEASE</version> <relativePath/> </parent>
zyx7653296 2019-03-23
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结帖了，请不要回帖了。我换了台电脑，就解决了，本身是没问题的。。。。脑壳痛
zyx7653296 2019-03-22
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引用 3 楼 weixin_42869949 的回复:
defaultZone的端口号为什么是9100？
这里我配置是抄别人的，也该了很多次，结论是不管是9100，还是8100，还是说改成defaultZone改成http://${eureka.instance.hostname}:${server.port}/eureka/结果都是报一样的错
weixin_42869949 2019-03-22
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defaultZone的端口号为什么是9100？
zyx7653296 2019-03-22
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差点忘记说了，我的yml配置是
###服务端口号
server:
  port: 8100

eureka:
  instance:
    ###注册中心ip地址
    hostname: 127.0.0.1
  client:
    serviceUrl:
    ##注册地址
      defaultZone: http://${eureka.instance.hostname}:9100/eureka/
    ####因为自己是注册中心，是否需要将自己注册给自己的注册中心（集群的时候是需要是为true）
    register-with-eureka: false
    ###因为自己是注册中心， 不需要去检索服务信息
    fetch-registry: false
zyx7653296 2019-03-22
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求大神帮忙解决一下。。。头都快大了，网上找了一整天了，各种方法都试过了。还是不行 错误信息还剩一段，字符限制了
Caused by: java.lang.NoClassDefFoundError: com/netflix/eventbus/spi/EventBus
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_73]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_73]
	at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_73]
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:641) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]
	... 35 common frames omitted
Caused by: java.lang.ClassNotFoundException: com.netflix.eventbus.spi.EventBus
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_73]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_73]
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_73]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_73]
	... 39 common frames omitted
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