Lately, I have always been receiving this kind of error. I'm consuming data from Apache Kafka. Has anyone ever had anything similar?

[2017-01-24 14:40:46,443] INFO zookeeper state changed (Disconnected) (org.I0Itec.zkclient.ZkClient)

[2017-01-24 14:40:48,144] INFO Opening socket connection to server IP/IP:2181. Will not attempt to authenticate using SASL (unknown error) (org.apache.zookeeper.ClientCnxn)

[2017-01-24 14:40:48,145] INFO Socket connection established to IP/IP:2181, initiating session (org.apache.zookeeper.ClientCnxn)

[2017-01-24 14:40:48,440] INFO Session establishment complete on server IP/IP:2181, sessionid = 0x159d18e5a8a0000, negotiated timeout = 6000 (org.apache.zookeeper.ClientCnxn)

[2017-01-24 14:40:48,441] INFO zookeeper state changed (SyncConnected) (org.I0Itec.zkclient.ZkClient)

Thomas Cristanis