解决beeline 不能连接 hiveserver2的问题

连接出现如下问题：

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.

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

References:

https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.2/bk_dataintegration/content/beeline-vs-hive-cli.html