| Modifier and Type | Class and Description |
|---|---|
| public class | DataConnectionException
Indicates a connection-related failure that might be intermittent in nature. |
| public class | DataException
Thrown by the data provider when a problem occurs. |
| public class | EmptyResultException
Data access exception thrown when a result was expected to have at least one row (or element) but zero rows (or elements) were actually returned. |
| public class | EntityExistsException
Indicates that an entity cannot be inserted into the database because an entity with same unique identifier already exists in the database. |
| public class | MappingException
A mapping exception is one thrown if an issue exists at runtime or build time in the data mapping. |
| public class | NonUniqueResultException
This exception is raised when execution of a repository method with a singular return type finds multiple results. |
| public class | OptimisticLockingFailureException
Indicates a failure that is due to inconsistent state between the entity and the database. |