qinyushun opened a new issue #1146:
URL: https://github.com/apache/servicecomb-service-center/issues/1146
**场景：**
节点掉电，应用获取ServiceCenter实例失败
**ServiceCenter日志如下：**
2021-08-16T08:12:38.117+0800 WARN clientv3/logger.go:92 Failed to
dial 192.168.10.10:2379: grpc: the connection is closing; please retry.
2021-08-16T08:12:38.142+0800 ERROR etcd/listwatch_inner.go:75
watch prefix /cse-sr/inst/leases/ failed, start rev: 13+1->15->0
{"error": "etcdserver: mvcc: required revision has been compacted"}
2021-08-16T08:12:38.142+0800 ERROR etcd/listwatch_inner.go:75
watch prefix /cse-sr/inst/files/ failed, start rev: 13+1->15->0 {"error":
"etcdserver: mvcc: required revision has been compacted"}
2021-08-16T08:12:38.142+0800 ERROR etcd/listwatch_inner.go:75
watch prefix /cse-sr/ms/schema-sum/ failed, start rev: 13+1->13->0
{"error": "etcdserver: mvcc: required revision has been compacted"}
2021-08-16T08:12:38.594+0800 INFO event/service_event_handler.go:64
caught [CREATE] service[20344d4ef9c011eb82de286ed49eac32][/sdn/PCE/0.1.11]
event
2021-08-16T08:12:38.696+0800 INFO event/service_event_handler.go:64
caught [DELETE]
service[9df0b8befe2611eb8320286ed49ead76][production/default/SERVICECENTER/1.3.0]
event
2021-08-16T08:13:00.899+0800 ERROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:13:00.899+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
2021-08-16T08:13:31.008+0800 ERROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:13:31.008+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
2021-08-16T08:13:31.032+0800 ERROR service/microservice.go:492 get
micro-service[9df0b8befe2611eb8320286ed49ead76] failed, service does not exist
2021-08-16T08:13:31.032+0800 ERROR backend/registry.go:159 query
service center service[9df0b8befe2611eb8320286ed49ead76] info failed
2021-08-16T08:13:31.032+0800 ERROR backend/registry.go:226 retry to
register[production/default/SERVICECENTER/1.3.0] failed {"error":
"service center service file lost."}
Connection closing...Socket close.ROR service/instance.go:308 heartbeat
failed,
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa].
operator {"error": "Instance does not exist(leaseId not exist, instance
not exist.)"}
Connection closed by foreign host.ROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:14:01.061+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
Disconnected from remote host(8.35.61.40:22) at 22:04:27.ice.go:492 get
micro-service[9df0b8befe2611eb8320286ed49ead76] failed, service does not exist
2021-08-16T08:14:01.066+0800 ERROR backend/registry.go:159 query
service center service[9df0b8befe2611eb8320286ed49ead76] info failed
Type `help' to learn how to use Xshell prompt.d/registry.go:226 retry to
register[production/default/SERVICECENTER/1.3.0] failed {"error":
"service center service file lost."}
[C:\~]$ ce not exist.)"}
2021-08-16T08:14:31.092+0800 ERROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:14:31.093+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
2021-08-16T08:14:31.104+0800 ERROR service/microservice.go:492 get
micro-service[9df0b8befe2611eb8320286ed49ead76] failed, service does not exist
2021-08-16T08:14:31.104+0800 ERROR backend/registry.go:159 query
service center service[9df0b8befe2611eb8320286ed49ead76] info failed
2021-08-16T08:14:31.104+0800 ERROR backend/registry.go:226 retry to
register[production/default/SERVICECENTER/1.3.0] failed {"error":
"service center service file lost."}
2021-08-16T08:14:46.517+0800 INFO event/instance_event_handler.go:79
caught [DELETE]
service[58383baaf9be11eba0e5286ed49eabaa][production/default/SERVICECENTER/1.3.0]
instance[47c8305efd5d11eb878e286ed49eabaa] event, endpoints
[rest://192.168.10.10:30100/?sslEnabled=true]
2021-08-16T08:14:46.517+0800 INFO event/instance_event_handler.go:79
caught [DELETE]
service[58383baaf9be11eba0e5286ed49eabaa][production/default/SERVICECENTER/1.3.0]
instance[4740529afd5d11eba5dd286ed49ead76] event, endpoints
[rest://192.168.10.8:30100/?sslEnabled=true]
2021-08-16T08:14:46.517+0800 INFO event/instance_event_handler.go:79
caught [DELETE]
service[58383baaf9be11eba0e5286ed49eabaa][production/default/SERVICECENTER/1.3.0]
instance[498abd77fd5d11eb8bc3286ed49eac32] event, endpoints
[rest://192.168.10.9:30100/?sslEnabled=true]
2021-08-16T08:15:01.229+0800 ERROR service/instance.go:308 heartbeat
failed,
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa].
operator {"error": "Instance does not exist(leaseId not exist, instance
not exist.)"}
2021-08-16T08:15:01.229+0800 ERROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:15:01.229+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
2021-08-16T08:15:01.260+0800 ERROR service/microservice.go:492 get
micro-service[9df0b8befe2611eb8320286ed49ead76] failed, service does not exist
2021-08-16T08:15:01.260+0800 ERROR backend/registry.go:159 query
service center service[9df0b8befe2611eb8320286ed49ead76] info failed
2021-08-16T08:15:01.261+0800 ERROR backend/registry.go:226 retry to
register[production/default/SERVICECENTER/1.3.0] failed {"error":
"service center service file lost."}
2021-08-16T08:15:31.279+0800 ERROR service/instance.go:308 heartbeat
failed,
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa].
operator {"error": "Instance does not exist(leaseId not exist, instance
not exist.)"}
2021-08-16T08:15:31.279+0800 ERROR backend/registry.go:220 update
service center
instance[9df0b8befe2611eb8320286ed49ead76/a5a5fba8fe2611eb8311286ed49eabaa]
heartbeat failed
2021-08-16T08:15:31.279+0800 WARN backend/registry.go:156 service
center service[9df0b8befe2611eb8320286ed49ead76] already registered
2021-08-16T08:15:31.287+0800 ERROR service/microservice.go:492 get
micro-service[9df0b8befe2611eb8320286ed49ead76] failed, service does not exist
2021-08-16T08:15:31.287+0800 ERROR backend/registry.go:159 query
service center service[9df0b8befe2611eb8320286ed49ead76] info failed
2021-08-16T08:15:31.288+0800 ERROR backend/registry.go:226 retry to
register[production/default/SERVICECENTER/1.3.0] failed {"error":
"service center service file lost."}
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