exception is feign.RetryableException: Connection refused (Connection refused) executing GET http：//......

2018-03-23 10:00:58.430 ERROR 31889 --- [nio-4321-exec-7] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is feign.RetryableException: Connection refused (Connection refused) executing GET https://bigdata-logger/logger/findPage?pageNum=1&pageSize=15&dates%5B%5D=2018-03-17%2C2018-03-18%2C2018-03-19%2C2018-03-20%2C2018-03-21%2C2018-03-22%2C2018-03-23] with root cause2018-03-23 10:00:58.430 ERROR 31889 --- [nio-43