[error] 27#0: *39775113 stream [lua] balancer.lua:1038: execute(): DNS resolution failed: dns client error: 101 empty record received. Tried:
170.80.136.11 - - [24/Jun/2022:07:45:45 +0000] "GET /core-component-back/instanceUpgrade/list?instanceParam=ums&pageSize=10&pageNum=1&componentSign=3 HTTP/1.1" 200 4716 "-" "Java/1.8.0_222" 170.80.136.11 - - [24/Jun/2022:07:45:45 +0000] "POST /ums-22/umsserver/ums/init HTTP/1.1" 200 61 "-" "Java/1.8.0_222" 170.80.136.11 - - [24/Jun/2022:07:45:45 +0000] "GET /ums-22/umsreceive/ums/receive?messageType=1&operateType=0&applicationId=dataosmsg HTTP/1.1" 200 78 "-" "Java/1.8.0_222" 170.80.136.58 - - [24/Jun/2022:07:45:45 +0000] "POST /daas-driver-manager/driver/operation/v1/check/8E7BAF342A3B1D6D HTTP/1.1" 200 261 "-" "Apache-HttpClient/4.5.13 (Java/1.8.0_222)" 170.80.136.11 - - [24/Jun/2022:07:45:50 +0000] "GET /core-component-back/instanceUpgrade/list?instanceParam=ums&pageSize=10&pageNum=1&componentSign=3 HTTP/1.1" 200 4716 "-" "Java/1.8.0_222" 170.80.136.11 - - [24/Jun/2022:07:45:50 +0000] "POST /ums-22/umsserver/ums/init HTTP/1.1" 200 61 "-" "Java/1.8.0_222" 170.80.136.11 - - [24/Jun/2022:07:45:50 +0000] "GET /ums-22/umsreceive/ums/receive?messageType=1&operateType=0&applicationId=dataosmsg HTTP/1.1" 200 78 "-" "Java/1.8.0_222"
2022/06/24 07:45:50 [error] 27#0: *39775113 stream [lua] balancer.lua:1038: execute(): DNS resolution failed: dns client error: 101 empty record received. Tried: [ "(short)mysql-service.xntest.svc.cluster.local:(na)
- cache-miss","mysql-service.xntest.svc.cluster.local.xntest.svc.cluster.local:1
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.svc.cluster.local:1
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.cluster.local:1
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local:1
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.xntest.svc.cluster.local:33
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.svc.cluster.local:33
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.cluster.local:33
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local:33
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.xntest.svc.cluster.local:5
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.svc.cluster.local:5
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local.cluster.local:5
- cache-miss/scheduled/dns client error: 101 empty record received","mysql-service.xntest.svc.cluster.local:5
- cache-miss/scheduled/dns client error: 101 empty record received" ] while prereading client data, client: 170.80.137.64, server: 0.0.0.0:30050
2022/06/24 07:45:50 [error] 27#0: *39775113 [kong] response.lua:869 unable to proxy stream connection, status: 503, err: {"message":"name resolution failed"} while prereading client data, client: 170.80.137.64, server: 0.0.0.0:30050