Spring Cloud Netflix RxReactiveStreams dependency missing in core

If I only need spring-cloud-neflix-core (to use HystrixCommands Helper), RxReactiveStreams will be required during runtime (and is missing in the dependency list from core).

Comment From: spencergibb

Why can't you use the hystrix starter?

Comment From: gbrehmer

of course I could, but nevertheless I thought each independent library (available on maven central) should all required dependencies documented/configured. My current "workaround" is to explicitly add the rx-reactive-streams lib

Comment From: spencergibb

I'm spring boot and spring cloud many features are optional and dependent on the class path.

Comment From: feiquan666

My Gateway Moudle dependencies is:

org.springframework.cloud spring-cloud-starter-gateway org.springframework.cloud spring-cloud-starter-netflix-eureka-client org.springframework.boot spring-boot-starter-actuator

SpringCloud Version is ： Hoxton.SR12 SpringBoot Version is：2.3.12.RELEASE

rx.RxReactiveStreams not found at runtime

I noticed version is 1.3.8 for rxjava，it has not definition class #rx.RxReactiveStreams