Andrius Dagys 447b41d936 MySQL notary service: improve database failover and exception handling.
Transactions are now retried if a communication failure occurs during execute() or commit().
Note that this may result in duplicate entries in the notary request log, and false state
commit conflicts (the notary client would still receive a successful response).
We need to tidy this up in the future.
2018-03-28 14:46:27 +01:00
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