Spring cloud hoxton.sr9 gateway is not compatible with reactor netty 0.9.0.release

An error occurred when starting the spring cloud Gateway project
runtime

Spring boot version: 2.2.0.release
spring cloud version: Hoxton. SR9
spring cloud Alibaba version: 2.2.1.release

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APPLICATION FAILED TO START
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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:675)

The following method did not exist:

    'reactor.netty.resources.ConnectionProvider reactor.netty.resources.ConnectionProvider.elastic(java.lang.String, java.time.Duration, java.time.Duration)'

The method's class, reactor.netty.resources.ConnectionProvider, is available from the following locations:

    jar:file:/E:/apache-maven-3.6.3/repo/io/projectreactor/netty/reactor-netty/0.9.0.RELEASE/reactor-netty-0.9.0.RELEASE.jar!/reactor/netty/resources/ConnectionProvider.class

It was loaded from the following location:

    file:/E:/apache-maven-3.6.3/repo/io/projectreactor/netty/reactor-netty/0.9.0.RELEASE/reactor-netty-0.9.0.RELEASE.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of reactor.netty.resources.ConnectionProvider


Process finished with exit code 1

Try to upgrade the reactor netty version to 0.9.4. Release
as a result, the spring weblux version is incompatible

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APPLICATION FAILED TO START
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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.reactorNettyWebSocketClient(GatewayAutoConfiguration.java:803)

The following method did not exist:

    'void org.springframework.web.reactive.socket.client.ReactorNettyWebSocketClient.setHandlePing(boolean)'

The method's class, org.springframework.web.reactive.socket.client.ReactorNettyWebSocketClient, is available from the following locations:

    jar:file:/E:/apache-maven-3.6.3/repo/org/springframework/spring-webflux/5.2.0.RELEASE/spring-webflux-5.2.0.RELEASE.jar!/org/springframework/web/reactive/socket/client/ReactorNettyWebSocketClient.class

It was loaded from the following location:

    file:/E:/apache-maven-3.6.3/repo/org/springframework/spring-webflux/5.2.0.RELEASE/spring-webflux-5.2.0.RELEASE.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of org.springframework.web.reactive.socket.client.ReactorNettyWebSocketClient


Process finished with exit code 1

Restore the original version, and finally downgrade the spring cloud version to hoxton.sr1. It runs successfully. As a result, a new hole appears, and Nacos has a version incompatibility problem. There is no way to find the official recommended configuration of spring cloud Alibaba, and modify the spring boot, spring cloud, and spring cloud Alibaba versions. It runs successfully

Spring boot version: 2.3.2. Release
spring cloud version: Hoxton. SR8
spring cloud Alibaba version: 2.2.5. Release

Attach the official recommended version address of spring cloud Alibaba
recommended version