Could not open connection to jdbc:hive2://localhost:10000: java.net.ConnectException: Connection refused (state=08S01,code=0)
Hive Connecting to beeline from client having various Modes.
1.Embedded Mode: Both Server and Client runs in same machine. No TCP Connection required.
If hive.server2.authentication is "NONE" in HIVE_HOME/conf/hive-site.xml then connect beeline with below url Connection URL: !connect jdbc:hive2://
2. Remote Mode: It supports multiple clients to execute queries with help of following Authentication schemes.
i.)SASL Authentication: If value of "hive.server2.authentication" property in HIVE_HOME/conf/hive-site.xml to be set as "SASL" then connect hive beeline with below url Beeline URL: !connect jdbc:hive2://<host>:<port>/<db> ii.)NOSASL Authentication: If "hive.server2.authentication" is nosasl then connect the beeline like below. Beeline URL: !connect jdbc:hive2://<host>:<port>/<db>;auth=noSasl