public void doGet(HttpServletRequest httpRequest,HttpServletResponse httpResponse)throws ServletException,IOException{
        Statement statement= null;
        ResultSet resultSet;
        InputStream inputStream;
        String SQL;
        try {
            String fileId= httpRequest.getParameter("Id");
            System.out.println("inside servlet�>" +fileId);
            Connection connection= databaseConnect.getConnection();
            statement= connection.createStatement();
            SQL= "SELECT file FROM Registration WHERE id= '"+fileId+"'";
             resultSet= statement.executeQuery(SQL);
              if(resultSet.next()){
                byte[]byteArray= new byte[524288];
                int size= 0;
                inputStream= resultSet.getBinaryStream(1);
                httpResponse.reset();
                httpResponse.setContentType("image/jpeg");
                 while((size= inputStream.read(byteArray))!= -1){
                     httpResponse.getOutputStream().write(byteArray, 0, size);
                 }
              }
        } catch(IOException eIO) {
            System.out.println("I/O error in retreiveImage servlet"+eIO);
        }catch(Exception e){
            System.out.println("Error in retreiveImage servlet"+e);
        }
    }

<h:outputLink id="file" value="retreiveImage?Id=#{bean.id}" target="_blank">
 <h:graphicImage value="retreiveImage?Id=#{bean.id}" width="50" height="75">
 <h:inputFile value="#{bean.file}"></h:inputFile>// Попытка вставить новое изображение
 </h:graphicImage>

public static String updateUserRecord(manager updateRecord){
        try {
            SQL= "UPDATE Registration SET userName=?, email=?, password=?, file=?, timeStamp=? WHERE id=?";
            prepStatement= databaseConnect.getConnection().prepareStatement(SQL);
            prepStatement.setString(1, updateRecord.getUserName());
            prepStatement.setString(2, updateRecord.getEmail());
            prepStatement.setString(3, updateRecord.getPassword());
            inputStream= file.getInputStream();
            prepStatement.setBinaryStream(4, inputStream, (int)file.getSize());
            //create a java timestamp object that represents the current time ("current timestamp")
            Calendar calendar= Calendar.getInstance();
            Timestamp timeStamp= new Timestamp(calendar.getTime().getTime());
            prepStatement.setTimestamp(5, timeStamp);
            prepStatement.setInt(6, updateRecord.getId());
            prepStatement.executeUpdate();
            System.out.println("User updated Successfully!");
            FacesMessage message= new FacesMessage("User updated!");
            FacesContext.getCurrentInstance().addMessage("editForm: updateBtn", message);
            prepStatement.close();
        } catch (SQLException sqlEx) {
            sqlEx.printStackTrace();
        }catch (Exception e) {
            e.printStackTrace();
        }
        return "administration";
    }