webflux base path does not work with router functions

[lfcortes12]

WebFlux is not able to find a route defined as a router function when spring.webflux.base-path is set. Server response is org.springframework.web.server.ResponseStatusException: 404 NOT_FOUND. I'm using version 2.3.1.RELEASE. Routes are defined in GameScoreRouter in the attached project
spring-game-score - copy.zip

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[bclozel]

This problem will be addressed in Spring Framework, see spring-projects/spring-framework#25270

I'm closing this issue as there's nothing we can do in the meantime.