-import java.util.Arrays;
-import java.util.List;
-import java.util.logging.Logger;
-
-import javax.sql.DataSource;
-
-import org.apache.commons.dbcp.ConnectionFactory;
-import org.apache.commons.dbcp.DriverManagerConnectionFactory;
-import org.apache.commons.dbcp.PoolableConnectionFactory;
-import org.apache.commons.dbcp.PoolingDataSource;
-import org.apache.commons.pool.impl.GenericObjectPool;