Check whether the server is running on that host by executing telnet some_host 3306 and pressing the Enter key a couple of times. If there is a MySQL server running and listening to the port, you should get a response that includes the server's version number. If you get an error such as telnet: Unable to connect to remote host: Connection refused, then there is no server running on the given port.
Unfortunately this all what i found. Read also: https://answers.yahoo.com/question/index?qid=20140714042757AAqezy3
it might help
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