Code: 210. DB::NetException: Connection refused (localhost:9000)

Question

unable to connect to the client,following is the error

root@abcC:~# clickhouse-server client ClickHouse client version
20.1.4.14 (official build). Connecting to localhost:9000 as user default.
**Code: 210. DB::NetException: Connection refused (localhost:9000)**

Answer 1

Try this command:

sudo service clickhouse-server restart