Intermittent Timeout Issues With MySQL When Crossing Domains (Doc ID 2272768.1)

Last updated on AUGUST 11, 2017

Applies to:

MySQL Server - Version 5.7 and later
Information in this document applies to any platform.
The error message: Connection errors and timeouts, including "The Failure while executing database statement at privilege level SUPER.[DNS].RecoverableDataAccessException: Creating driver instance; SQL []; Communications link failureā€" error.

Symptoms

 The error message: Connection errors and timeouts, including "The Failure while executing database statement at privilege level SUPER.[DNS].RecoverableDataAccessException: Creating driver instance; SQL []; Communications link failure”" error.

Cause

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