SQLErrorCodesFactory's access to the DataSource cache * refined DataSourceUtils to catch Throwable on "Connection.close()" * DataSourceUtils uses lower synchronization order for delegating handles (such Connection's class loader * fixed DataSourceUtils to correctly re-suspend a Connection even if the Connection hasn't been used since resume * refined DataSourceUtils to expect an "afterCompletion" callback assuming that the contained disconnected data is serializable * refined JTA synchronization in DataSourceUtils to release JDBC Connection on suspend (for JBoss JTA compatibility) * relaxed OracleLobHandler's

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 3.4.2. Using DataSourceUtils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . of this reference documentation. 1.3.2. Low-level Synchronization Approach Classes such as DataSourceUtils (for JDBC), EntityManagerFactoryUtils (for JPA), SessionFactoryUtils (for Hibernate), and so can instead use Spring’s org.springframework.jdbc.datasource.DataSourceUtils class, as follows: Connection conn = DataSourceUtils.getConnection(dataSource); If an existing transaction already has

Connection's class loader * fixed DataSourceUtils to correctly re-suspend a Connection even if the Connection hasn't been used since resume * refined DataSourceUtils to expect an "afterCompletion" callback assuming that the contained disconnected data is serializable * refined JTA synchronization in DataSourceUtils to release JDBC Connection on suspend (for JBoss JTA compatibility) * relaxed OracleLobHandler's springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing

Connection's class loader * fixed DataSourceUtils to correctly re-suspend a Connection even if the Connection hasn't been used since resume * refined DataSourceUtils to expect an "afterCompletion" callback assuming that the contained disconnected data is serializable * refined JTA synchronization in DataSourceUtils to release JDBC Connection on suspend (for JBoss JTA compatibility) * relaxed OracleLobHandler's springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing

assuming that the contained disconnected data is serializable * refined JTA synchronization in DataSourceUtils to release JDBC Connection on suspend (for JBoss JTA compatibility) * relaxed OracleLobHandler's springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target

springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target batchUpdate(String[] sql)" method to JdbcTemplate, for executing a group of SQL statements as a batch * DataSourceUtils only executes Connection cleanup in "beforeCompletion" synchronization if there are no open

springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target batchUpdate(String[] sql)" method to JdbcTemplate, for executing a group of SQL statements as a batch * DataSourceUtils only executes Connection cleanup in "beforeCompletion" synchronization if there are no open

springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target batchUpdate(String[] sql)" method to JdbcTemplate, for executing a group of SQL statements as a batch * DataSourceUtils only executes Connection cleanup in "beforeCompletion" synchronization if there are no open

springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target batchUpdate(String[] sql)" method to JdbcTemplate, for executing a group of SQL statements as a batch * DataSourceUtils only executes Connection cleanup in "beforeCompletion" synchronization if there are no open

springframework.jdbc * deprecated "closeConnectionIfNecessary" method in favor of "releaseConnection" (in DataSourceUtils and JdbcDaoSupport) * added "releaseConnection" method to ConnectionHandle interface, allowing sql-error-codes.xml * added "getTargetConnection" method to DataSourceUtils, returning the innermost target Connection of a given proxy * refined DataSourceUtils' "closeConnectionIfNecessary" to detect given target batchUpdate(String[] sql)" method to JdbcTemplate, for executing a group of SQL statements as a batch * DataSourceUtils only executes Connection cleanup in "beforeCompletion" synchronization if there are no open