MySQL 5.6 Reference Manual Including MySQL NDB Cluster 7.3-7.4 Reference Guide NDB 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, “Limits and Differences of NDB Cluster from Standard MySQL Limits”.