import java.util.Date;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.sql.*;

 
public class uploadFile {
 
      /**
      * @param args
      * @throws IllegalAccessException
       * @throws InstantiationException
       * @throws ClassNotFoundException
       * @throws SQLException
       */
     
      public static final String      dbUser              = "MAYA";
      public static final String      dbPassword          = "pass";
     
     
      public static void main(String[] args) throws IllegalAccessException, InstantiationException, ClassNotFoundException, SQLException, FileNotFoundException {
            // TODO Auto-generated method stub
 
            // метод который подключается к базе
           
         
           
              try {
                   
                     Class.forName ("oracle.jdbc.OracleDriver");
                } catch (ClassNotFoundException e) {
                    e.printStackTrace();
                }
           
        String connectionURL = "jdbc:oracle:thin:@//IP:1521/MAYASCHEMA";
       
        Connection  conn = DriverManager.getConnection(connectionURL, dbUser, dbPassword);
         
          conn.setAutoCommit(true);
          System.out.println("Connected.\n");
          //Потестируем 
          Statement stmt = conn.createStatement();
          ResultSet   rset = null;
          String sqlText = "Select sysdate from dual";
          rset = stmt.executeQuery(sqlText);
 
        if (rset.next()) {
                            Date currentDate = rset.getDate(1); // get first column returned
                            System.out.println("Current Date from Oracle is : "+currentDate);
                  }
                 
                          rset.close();
                   stmt.close();
               
            //Попробую загрузить CSV файл в clob поле.
            File сlob = new File("D:\\Docs\\input_test.csv");
            PreparedStatement pstmt = conn.prepareStatement("INSERT INTO csv_files (id, document_name, csv_document, timestamp) " +
                     "   VALUES(2, '" + сlob.getName() + "', ?, SYSDATE)");
             
              FileInputStream in = new FileInputStream(сlob);
               
              ///Дальше не могу =((
              //?????   
 
             conn.commit();
                   
                    
                    
                /**
                 * Close Oracle database connection.
                 * @throws java.sql.SQLException
                 */
                   
                  
               try {
                        conn.close();
                        System.out.println("Disconnected.\n");
                    } catch (SQLException e) {
                        System.out.println("Caught SQL Exception: (Closing Connection).");
                        e.printStackTrace();
                        if (conn != null) {
                            try {
                                conn.rollback();
                            } catch (SQLException e2) {
                                System.out.println("Caught SQL (Rollback Failed) Exception.");
                                e2.printStackTrace();
                            }
                        }
                        throw e;
                    }
 
                }
           
           
      }

pstmt.setAsciiStream(3, in);
///Дальше не могу
 //?????    
pstmt.execute();

Exception in thread "main" java.lang.AbstractMethodError: oracle.jdbc.driver.T4CPreparedStatement.setAsciiStream(ILjava/io/InputStream;)V

  pstmt.setCharacterStream(1, new InputStreamReader(in), (int) сlob.length());
  pstmt.execute();