微服务启动报错：failed to req API:/nacos/v1/ns/instance after all servers([nacos:8848]) tried

完整报错：java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([nacos:8848]) tried

求助：各位大佬

2019-10-18 10:30:09.129 [main] INFO  o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 9091 (http) with context path ''
2019-10-18 10:30:12.199 [main] ERROR o.s.c.a.n.r.NacosServiceRegistry - nacos registry, srm-api register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='nacos:1248', endpoint='', namespace='', logName='', service='srm-api', weight=1.0, clusterName='DEFAULT', metadata={}, registerEnabled=true, ip='178.00.6.14', networkInterface='', port=9097, secure=false, accessKey=', namingLoadCacheAtStart=false', secretKey=''}},
java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([nacos:8848]) tried