Looks like you have intermittent DB communication issue. Is the issue 
reproducible every time you create a template? Do you have DB server behind 
firewall or on a different network?

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Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 
Communications link failure

The last packet successfully received from the server was 203 608 milliseconds 
ago.  The last packet sent successfully to the server was 0 milliseconds ago.

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