Re: com.mysql.jdbc.exceptions.jdbc4.CommunicationsExceptio n: Communications link failure
Posted by: Todd Farmer
Date: August 20, 2014 07:59AM

Hi Rashad,

The problem is almost certainly either on the sql-4.radyx.ru machine itself, or on network gear between your client and that machine. System administrators typically lock down access to non-standard ports (like 3306), so you'll need to negotiate with whoever runs that box/network to get access (perhaps punching a hole in the firewall, or SSH tunnel, or VPN, etc.).

Hope that helps,

--
Todd Farmer
MySQL @ Oracle
http://www.oracle.com/mysql/

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