canna-cloud【二十二】spring cloud 2020.0.0-M2 gateway RelProvider must not be null!

环境:spring cloud 2020.0.0-M2

spring boot 2.3.0.release

 

问题描述:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'halJacksonHttpMessageConverter' defined in class path resource [org/springframework/cloud/openfeign/hateoas/FeignHalAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.hateoas.server.mvc.TypeConstrainedMappingJackson2HttpMessageConverter]: Factory method 'halJacksonHttpMessageConverter' threw exception; nested exception is java.lang.IllegalArgumentException: RelProvider must not be null!
 

 

在application启动类添加如下注解

@EnableHypermediaSupport(type = EnableHypermediaSupport.HypermediaType.HAL)

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