springBoot整合Eureka启动失败的解决方案

springBoot整合Eureka启动失败的解决方案

其实springBoot 整合Eureka 是比较简单 ，可是我发现很多人整合后会启动不了，我这里列出比较常见的报错的原因

报：A child container failed during start

如图下这样

这个原因是因为pom.xml 没有添加

org.springframework.cloud

spring-cloud-dependencies

Finchley.SR1

pom

import

假如添加后依然报错：

报错原因是因为Springboot 与 SpringCloud 版本不配对

修改后就行正常运行了！最后把他们相对应的版本贴出来，可以看着相对应的springboot版本改springCloud

Spring Boot Spring Cloud

1.2.x Angel版本

1.3.x Brixton版本

1.4.x stripes Camden版本

1.5.x Dalston版本、Edgware版本

2.0.x Finchley版本

SpringCloud异常(Euruka)

Application run failed java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder

在测试Euruka作为服务注册中心的时候碰到了这个问题，错误提示如下：

"C:\Program Files\Java\jdk1.8.0_161\bin\java" -XX:TieredStopAtLevel=1 -........ com.fangxing.springcloud.eurukaserver.EurukaServerApplication

15:04:35.690 [main] DEBUG org.springframework.boot.context.logging.ClasspathLoggingApplicationListener - Application failed to start with classpath: ....... file:/D:/Program%20Files/JetBrains/IntelliJ%20IDEA%202017.3.5/lib/idea_rt.jar]

15:04:35.867 [background-preinit] DEBUG org.jboss.logging - Logging Provider: org.jboss.logging.Log4j2LoggerProvider

15:04:35.869 [background-preinit] INFO org.hibernate.validator.internal.util.Version - HV000001: Hibernate Validator 6.0.7.Final

15:04:35.884 [background-preinit] DEBUG org.hibernate.validator.internal.engine.resolver.TraversableResolvers - Cannot find javax.persistence.Persistence on classpath. Assuming non JPA 2 environment. All properties will per default be traversable.

15:04:35.890 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ValidationXmlParser - Trying to load META-INF/validation.xml for XML based Validator configuration.

15:04:35.892 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ResourceLoaderHelper - Trying to load META-INF/validation.xml via TCCL

15:04:35.893 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ResourceLoaderHelper - Trying to load META-INF/validation.xml via Hibernate Validator's class loader

15:04:35.894 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ValidationXmlParser - No META-INF/validation.xml found. Using annotation based configuration only.

15:04:36.086 [background-preinit] DEBUG org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator - Loaded expression factory via original TCCL

15:04:36.090 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator as ValidatorFactory-scoped message interpolator.

15:04:36.090 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.resolver.TraverseAllTraversableResolver as ValidatorFactory-scoped traversable resolver.

15:04:36.090 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.util.ExecutableParameterNameProvider as ValidatorFactory-scoped parameter name provider.

15:04:36.090 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.DefaultClockProvider as ValidatorFactory-scoped clock provider.

15:04:36.090 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.scripting.DefaultScriptEvaluatorFactory as ValidatorFactory-scoped script evaluator factory.

15:04:36.404 [main] ERROR org.springframework.boot.SpringApplication - Application run failed

java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder.([Ljava/lang/Object;)V

at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:120)

at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:84)

at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:62)

at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)

at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)

at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)

at ohttp://rg.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)

at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:74)

at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)

at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:351)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:317)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1234)

at com.fangxing.springcloud.eurukaserver.EurukaServerApplication.main(EurukaServerApplication.java:16)

Process finished with exit code 1

其根本原因是依赖包的版本冲突，我的这个pom.xml文件如下：

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.fangxing.springcloud

euruka-server

0.0.1-SNAPSHOT

jar

euruka-server

Demo project for Eureka Server

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

UTF-8

UTF-8

1.8

org.springframeworhttp://k.boot

spring-boot-starter-web

org.springframewor k.boot

spring-boot-starter-test

test

org.springframework.cloud

spring-cloud-starter-eureka-server

org.springframework.cloud

spring-cloud-dependencies

Camden.SR3

pom

import

org.springframework.boot

spring-boot-maven-plugin

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.fangxing.springcloud

euruka-server

0.0.1-SNAPSHOT

jar

euruka-server

Demo project for Eureka Server

org.springframework.boot

spring-boot-starter-parent

2.0.0.RELEASE

UTF-8

UTF-8

1.8

org.springframeworhttp://k.boot

spring-boot-starter-web

org.springframewor k.boot

spring-boot-starter-test

test

org.springframework.cloud

spring-cloud-starter-eureka-server

org.springframework.cloud

spring-cloud-dependencies

Camden.SR3

pom

import

org.springframework.boot

spring-boot-maven-plugin

这里用到的SpringBoot版本为2.0.0.0版本，我们调整一下版本，改用下面的pom.xml

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.fangxing.springcloud

euruka-server

0.0.1-SNAPSHOT

jar

euruka-server

Demo project for Eureka Server

org.springframework.boot

spring-boot-starter-parent

1.4.0.RELEASE

UTF-8

1.8

org.springframework.cloud

spring-cloud-starter-eureka-server

org.springframework.boot

spring-boot-starter-test

test

org.springframework.cloud

spring-cloud-dependencies

Camden.SR3

pom

import

org.springframework.boot

spring-boot-maven-plugin

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

com.fangxing.springcloud

euruka-server

0.0.1-SNAPSHOT

jar

euruka-server

Demo project for Eureka Server

org.springframework.boot

spring-boot-starter-parent

1.4.0.RELEASE

UTF-8

1.8

org.springframework.cloud

spring-cloud-starter-eureka-server

org.springframework.boot

spring-boot-starter-test

test

org.springframework.cloud

spring-cloud-dependencies

Camden.SR3

pom

import

org.springframework.boot

spring-boot-maven-plugin

启用正常。

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