public abstract class DataAccessException extends NestedRuntimeException. Root of the hierarchy of data access exceptions discussed in Expert One-On-One J2EE Design and Development. Please see Chapter 9 of this book for detailed discussion of the motivation for this package. 1 Answer. The reason to use DataAccessException over SQLException is that it more generally describes the problem. If you have a Repository or DAO interface that has two different implementation, one for Oracle and one for Cassandra, you can have this one exception express failures for both implementations. As for why this is Runtime. public abstract class DataAccessException extends NestedRuntimeException Root of the hierarchy of data access exceptions discussed in Expert One-On-One J2EE Design and Development. Please see Chapter 9 of this book for detailed discussion of the motivation for this package.
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38 Spring Framework - DAO pattern and downloading the connector jar (Language Bangla), time: 5:26
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