springboot集成springCloud中gateway时启动报错怎么解决

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在项目中引入springcloud中的gateway时报以下错误

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.

这个是由于依赖冲突，spring-cloud-starter-gateway与spring-boot-starter-web和spring-boot-starter-webflux依赖冲突

解决方式：

在引入gateway时过滤掉上面两个依赖

 
            org.springframework.cloud
            spring-cloud-starter-gateway
            
                
                    org.springframework.boot
                    spring-boot-starter-web
                
                
                    org.springframework.boot
                    spring-boot-starter-webflux
                
            
        

springboot整合gateway启动失败

问题：

springboot整合gateway启动失败

***************************
APPLICATION FAILED TO START
***************************
Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
org.springframework.cloud.gateway.config.GatewayAutoConfiguration$NettyConfiguration.gatewayHttpClient(GatewayAutoConfiguration.java:622)
The following method did not exist:
reactor.netty.resources.ConnectionProvider.elastic(Ljava/lang/String;Ljava/time/Duration;Ljava/time/Duration;)Lreactor/netty/resources/ConnectionProvider;
The method"s class, reactor.netty.resources.ConnectionProvider, is available from the following locations:
jar:file:/C:/Users/Administrator/.m2/repository/io/projectreactor/netty/reactor-netty/0.9.1.RELEASE/reactor-netty-0.9.1.RELEASE.jar!/reactor/netty/resources/ConnectionProvider.class
It was loaded from the following location:
file:/C:/Users/Administrator/.m2/repository/io/projectreactor/netty/reactor-netty/0.9.1.RELEASE/reactor-netty-0.9.1.RELEASE.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of reactor.netty.resources.ConnectionProvider
Disconnected from the target VM, address: "127.0.0.1:55875", transport: "socket"
Process finished with exit code 1

这块主要是版本兼容的问题，

最初用的版本是：

            io.projectreactor.netty
            reactor-netty
            0.9.4.RELEASE
        

网上有的是需要把这个版本降低，我这是降低了也不行

最后升高了版本改成了：

            io.projectreactor.netty
            reactor-netty
            0.9.14.RELEASE
        

本项目里springboot版本为：2.3.1，根据自己项目需要吧，看一下自己项目中各个版本之间的问题

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