报错之前：
@RequestMapping(value = "hi", method = RequestMethod.GET)
String hiService(@RequestParam String name);
修改之后：
@RequestMapping(value = "hi", method = RequestMethod.GET)
String hiService(@RequestParam(name = "name") String name);
问题解决
spring cloud feign：Caused by: java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0
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【异常】Caused by: java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0
java.lang.IllegalStateException: RequestParam.value() was empty on parameter 0异常问题
@FeignClient RequestParam.value() was empty on parameter 0
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Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: No Feign Client for loadBalancing defined. Did you forget to include spring-cloud-starter-loadbalancer?
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