Mine

	static final String WRITE_OBJECT_SQL = "INSERT INTO filter_beans(name, bean_array,title) VALUES (?, ?,?)";
	static final String UPDATE_OBJECT_SQL = "UPDATE filter_beans SET bean_array = ?, title=? WHERE id = ?";
	static final String READ_OBJECT_SQL = "SELECT bean_array FROM filter_beans WHERE id = ?";
	static final String DELETE_OBJECT_SQL = "DELETE FROM filter_beans WHERE id = ?";


	private long writeJavaObject(ArrayList beans,String SQL, long index, String Title) throws Exception {
		String className = beans.getClass().getName();
		PreparedStatement pstmt = this.conn.prepareStatement(SQL);
		

		if (index <0) {
			/* Adding new */
			pstmt.setObject(2, beans);
			pstmt.setString(1,className);
			pstmt.setString(3, Title);
		} else {
			/* Updating old */
			pstmt.setObject(1, beans);
			pstmt.setString(2,Title);
			pstmt.setLong(3, index);
		}
		pstmt.executeUpdate();

		// get the generated key for the id
		ResultSet rs = pstmt.getGeneratedKeys();
		int id = -1;
		if (rs.next()) {
			id = rs.getInt(1);
		}

		rs.close();
		pstmt.close();
		System.out.println("writeJavaObject: done serializing: " + className);
		return id;
	}


	private ArrayList readJavaObject(long id) throws Exception {
		ArrayList beans = null;
		PreparedStatement pstmt = this.conn.prepareStatement(READ_OBJECT_SQL);
		pstmt.setLong(1, id);
		ResultSet rs = pstmt.executeQuery();
		rs.next();
		beans = (ArrayList) rs.getObject(1); /* causes exception */
		rs.close();
		pstmt.close();				
		System.out.println("readJavaObject: done de-serializing: " +  beans.getClass().getName());
		return beans;
	}