Springboot 集成swagger 报错Error creating bean with name 'linkDiscoverers' defined in class path resourc-优快云博客

本文记录了一次SpringBoot项目中遇到的与Swagger2版本不兼容的问题，详细描述了错误信息，包括在初始化上下文时遇到的依赖未满足异常，以及在运行应用时出现的应用程序失败启动的错误。解决方案为调整SpringBoot和swagger2的版本使其相匹配。

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2020-04-26 10:58:14.466  WARN 1499 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'linkDiscoverers' defined in class path resource [org/springframework/hateoas/config/HateoasConfiguration.class]: Unsatisfied dependency expressed through method 'linkDiscoverers' parameter 0; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'org.springframework.plugin.core.PluginRegistry<org.springframework.hateoas.client.LinkDiscoverer, org.springframework.http.MediaType>' available: expected single matching bean but found 15: modelBuilderPluginRegistry,modelPropertyBuilderPluginRegistry,typeNameProviderPluginRegistry,documentationPluginRegistry,apiListingBuilderPluginRegistry,operationBuilderPluginRegistry,parameterBuilderPluginRegistry,expandedParameterBuilderPluginRegistry,resourceGroupingStrategyRegistry,operationModelsProviderPluginRegistry,defaultsProviderPluginRegistry,pathDecoratorRegistry,relProviderPluginRegistry,linkDiscovererRegistry,entityLinksPluginRegistry
2020-04-26 10:58:14.467  INFO 1499 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor'
2020-04-26 10:58:14.470  INFO 1499 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2020-04-26 10:58:14.481  INFO 1499 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-04-26 10:58:14.485 ERROR 1499 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:
......

解决
修改 Spring boot 和swagger 2 的版本相匹配