エラー内容
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
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解決策
my.cnfの48,49行目付近にある、下記2行をコメントアウトしたら解決した。server-id = 1のコメントアウトは不要かもしれない。
skip-networking
server-id = 1参考：http://okwave.jp/qa/q8065958.html
