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 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

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