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    MySQL/MariaDB DBERROR: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception




    Error: 

    WARNING: Connect failed: DBERROR: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
    ** BEGIN NESTED EXCEPTION **

    java.net.SocketException
    MESSAGE: java.net.ConnectException: Connection refused

    Solution :

    Once i've changed the bind address to a particular IP in /etc/my.cnf, this error occurs. I've Changed the localhost entry in /etc/hosts, which Solved this
    issue.

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