2020-10-30 21:57:33.007 INFO 17890 — [70.213.23:2181)] org.apache.zookeeper.ClientCnxn : Opening socket connection to server 124.70.213.23/124.70.213.23:2181. Will not attempt to authenticate using SASL (unknown error)
2020-10-30 21:57:33.075 WARN 17890 — [70.213.23:2181)] org.apache.zookeeper.ClientCnxn : Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect

java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_251]
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_251]
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]