# Uses of Class
org.springframework.dao.DataRetrievalFailureException

Packages that use DataRetrievalFailureException
Package
Description
org.springframework.dao
Exception hierarchy enabling sophisticated error handling independent of the data access approach in use.

## Uses of DataRetrievalFailureException in org.springframework.dao

Subclasses of DataRetrievalFailureException in org.springframework.dao
Modifier and Type
Class
Description
`class`
`EmptyResultDataAccessException`
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.
`class`
`IncorrectResultSizeDataAccessException`
Data access exception thrown when a result was not of the expected size, for example when expecting a single row but getting 0 or more than 1 rows.