FeignClient

PathVariable annotation was empty on param 0.

參考資料:(https://github.com/spring-cloud/spring-cloud-netflix/issues/861)

Caused by: java.lang.IllegalStateException: PathVariable annotation was empty on param 0.

錯誤

@RequestMapping(value = "/hello/{name}", method = RequestMethod.GET)
    String hello(@PathVariable String name);

正確

@RequestMapping(value = "/hello/{name}", method = RequestMethod.GET)
    String hello(@PathVariable(value = "name") String name);