一、现象

微服务启动时报错：Consider defining a bean of type 'org.springframework.http.codec.ServerCodecConfigurer'

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-06-11 14:21:30.165 ERROR 22456 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

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APPLICATION FAILED TO START
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Description:

Parameter 0 of method modifyRequestBodyGatewayFilterFactory in org.springframework.cloud.gateway.config.GatewayAutoConfiguration required a bean of type 'org.springframework.http.codec.ServerCodecConfigurer' that could not be found.


Action:

Consider defining a bean of type 'org.springframework.http.codec.ServerCodecConfigurer' in your configuration.

 

二、原因

这是由于所依赖的模块中有 spring-boot-starter-web 的依赖，而 SpringCloudGateway 还不支持 spring-boot-starter-web

 

三、解决方案

将这个依赖排除