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springBoot整合Eureka启动失败的解决方案

时间:2021-09-30 11:12     来源/作者:JazzyChen

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

springBoot整合Eureka启动失败的解决方案

这个原因是因为pom.xml 没有添加

  1. <dependencyManagement>
  2. <dependencies>
  3. <dependency>
  4. <groupId>org.springframework.cloud</groupId>
  5. <artifactId>spring-cloud-dependencies</artifactId>
  6. <version>Finchley.SR1</version>
  7. <type>pom</type>
  8. <scope>import</scope>
  9. </dependency>
  10. </dependencies>
  11. </dependencyManagement>

假如添加后依然报错:

springBoot整合Eureka启动失败的解决方案

报错原因是因为Springboot 与 SpringCloud 版本不配对

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

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:

  1. "C:\Program Files\Java\jdk1.8.0_161\bin\java" -XX:TieredStopAtLevel=1 -........ com.fangxing.springcloud.eurukaserver.EurukaServerApplication
  2. 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]
  3. 15:04:35.867 [background-preinit] DEBUG org.jboss.logging - Logging Provider: org.jboss.logging.Log4j2LoggerProvider
  4. 15:04:35.869 [background-preinit] INFO org.hibernate.validator.internal.util.Version - HV000001: Hibernate Validator 6.0.7.Final
  5. 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.
  6. 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.
  7. 15:04:35.892 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ResourceLoaderHelper - Trying to load META-INF/validation.xml via TCCL
  8. 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
  9. 15:04:35.894 [background-preinit] DEBUG org.hibernate.validator.internal.xml.ValidationXmlParser - No META-INF/validation.xml found. Using annotation based configuration only.
  10. 15:04:36.086 [background-preinit] DEBUG org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator - Loaded expression factory via original TCCL
  11. 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.
  12. 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.
  13. 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.
  14. 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. 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.
  16. 15:04:36.404 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
  17. java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder.<init>([Ljava/lang/Object;)V
  18. at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:120)
  19. at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:84)
  20. at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:62)
  21. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  22. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  23. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  24. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)
  25. at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:74)
  26. at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
  27. at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:351)
  28. at org.springframework.boot.SpringApplication.run(SpringApplication.java:317)
  29. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246)
  30. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1234)
  31. at com.fangxing.springcloud.eurukaserver.EurukaServerApplication.main(EurukaServerApplication.java:16)
  32. 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:

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  4. <modelVersion>4.0.0</modelVersion>
  5. <groupId>com.fangxing.springcloud</groupId>
  6. <artifactId>euruka-server</artifactId>
  7. <version>0.0.1-SNAPSHOT</version>
  8. <packaging>jar</packaging>
  9. <name>euruka-server</name>
  10. <description>Demo project for Eureka Server</description>
  11. <parent>
  12. <groupId>org.springframework.boot</groupId>
  13. <artifactId>spring-boot-starter-parent</artifactId>
  14. <version>2.0.0.RELEASE</version>
  15. <relativePath/> <!-- lookup parent from repository -->
  16. </parent>
  17. <properties>
  18. <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  19. <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
  20. <java.version>1.8</java.version>
  21. </properties>
  22. <dependencies>
  23. <dependency>
  24. <groupId>org.springframework.boot</groupId>
  25. <artifactId>spring-boot-starter-web</artifactId>
  26. </dependency>
  27. <dependency>
  28. <groupId>org.springframewor k.boot</groupId>
  29. <artifactId>spring-boot-starter-test</artifactId>
  30. <scope>test</scope>
  31. </dependency>
  32. <dependency>
  33. <groupId>org.springframework.cloud</groupId>
  34. <artifactId>spring-cloud-starter-eureka-server</artifactId>
  35. </dependency>
  36. </dependencies>
  37. <dependencyManagement>
  38. <dependencies>
  39. <dependency>
  40. <groupId>org.springframework.cloud</groupId>
  41. <artifactId>spring-cloud-dependencies</artifactId>
  42. <version>Camden.SR3</version>
  43. <type>pom</type>
  44. <scope>import</scope>
  45. </dependency>
  46. </dependencies>
  47. </dependencyManagement>
  48. <build>
  49. <plugins>
  50. <plugin>
  51. <groupId>org.springframework.boot</groupId>
  52. <artifactId>spring-boot-maven-plugin</artifactId>
  53. </plugin>
  54. </plugins>
  55. </build>
  56. </project>

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

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  4. <modelVersion>4.0.0</modelVersion>
  5. <groupId>com.fangxing.springcloud</groupId>
  6. <artifactId>euruka-server</artifactId>
  7. <version>0.0.1-SNAPSHOT</version>
  8. <packaging>jar</packaging>
  9. <name>euruka-server</name>
  10. <description>Demo project for Eureka Server</description>
  11. <!--基于Springboot-->
  12. <parent>
  13. <groupId>org.springframework.boot</groupId>
  14. <artifactId>spring-boot-starter-parent</artifactId>
  15. <version>1.4.0.RELEASE</version>
  16. <relativePath/>
  17. </parent>
  18. <properties>
  19. <!--设置字符编码及java版本-->
  20. <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  21. <java.version>1.8</java.version>
  22. </properties>
  23. <dependencies>
  24. <!--增加eureka-server的依赖-->
  25. <dependency>
  26. <groupId>org.springframework.cloud</groupId>
  27. <artifactId>spring-cloud-starter-eureka-server</artifactId>
  28. </dependency>
  29. <!--用于测试的,本例可省略-->
  30. <dependency>
  31. <groupId>org.springframework.boot</groupId>
  32. <artifactId>spring-boot-starter-test</artifactId>
  33. <scope>test</scope>
  34. </dependency>
  35. </dependencies>
  36. <!--依赖管理,用于管理spring-cloud的依赖,其中Camden.SR3是版本号-->
  37. <dependencyManagement>
  38. <dependencies>
  39. <dependency>
  40. <groupId>org.springframework.cloud</groupId>
  41. <artifactId>spring-cloud-dependencies</artifactId>
  42. <version>Camden.SR3</version>
  43. <type>pom</type>
  44. <scope>import</scope>
  45. </dependency>
  46. </dependencies>
  47. </dependencyManagement>
  48. <build>
  49. <plugins>
  50. <plugin>
  51. <groupId>org.springframework.boot</groupId>
  52. <artifactId>spring-boot-maven-plugin</artifactId>
  53. </plugin>
  54. </plugins>
  55. </build>
  56. </project>

启用正常。

以上为个人经验,希望能给大家一个参考,也希望大家多多支持我们。

原文链接:https://blog.csdn.net/weixin_42006112/article/details/102481050

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