Error while connecting to beeline

Hi Team.
When I am trying to connect to beeline using
!connect jdbc.hive2:// (datbase I have created)
the username and password I am entering subhajit1983 and the password same as Lab credentials I am getting the below error.
(beeline> !connect jdbc:hive2://
Connecting to jdbc:hive2://
Enter username for jdbc:hive2:// subhajit1983
Enter password for jdbc:hive2:// ********************************
20/08/11 22:02:37 [main]: WARN jdbc.HiveConnection: Failed to connect to
Error: Could not open client transport with JDBC Uri: jdbc:hive2:// Connection refused (Connection refused) (state=08S01,code=0)
0: jdbc:hive2:// (closed)> )
Kindly assist.
Thanks & Regards,

Please use the below connection URL
!connect jdbc:hive2://