{"level":"warn","ts":"2021-09-28T11:39:51.788+0800","logger":"etcd-client","caller":"v3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc0001f0000/#initially=[etcdn1.wos.58dns.org:2379]","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = latest balancer error: last connection error: connection closed"}
解决办法:更换etcd版本,所连接的etcd版本过低,更换低版本的etcdctl就可以了
