17.1.5.4 MySQL Cluster Error Handling

Starting, stopping, or restarting a node may give rise to temporary errors causing some transactions to fail. These include the following cases:

In either of these cases, any errors that are generated must be handled within the application. This should be done by retrying the transaction.

See also Section 17.1.5.2, “Limits and Differences of MySQL Cluster from Standard MySQL Limits”.