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Thread: Error by export Data from Excel File to MySql database

  1. #1
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    Default Error by export Data from Excel File to MySql database

    Hi,
    since yesterday i tried hard to write code to export the elements from Excel file and store them in Database(Mysql)

    I used POI Library to read from Excel and then store the attributes of Excel cells in Arraylist to add it later to data base

    i read to much about this topic and saw a lot of examples but still get error

    code to create Table:
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.SQLException;
    import java.sql.Statement;
     
    /**
     *
     * @author Mirage
     */
    public class CreateTable {
    public static void main(String args[]) {
       String url = "jdbc:mysql://localhost:3306/mkyongdb";
       Connection con;
       String createTableBooks = "CREATE TABLE  movies.filme " 
              + "(CD_ID double UNSIGNED  NOT NULL," 
                +"Albumtitel VARCHAR(45) NOT NULL," 
                +"Interpret VARCHAR(25) NOT NULL,"
                + "CREATED_DATE  double NOT NULL,"
                + "Track  double NOT NULL,"
                + "Titel VARCHAR(255) NOT NULL)";
     
        Statement stmt;
       try {
              Class.forName("com.mysql.jdbc.Driver");
       } catch(java.lang.ClassNotFoundException e){
        System.err.print("ClassNotFoundException: ");
              System.err.println(e.getMessage());
       }
        try {
              con = DriverManager.getConnection(url, "root","root");
              stmt = con.createStatement();
              stmt.executeUpdate(createTableBooks);
              stmt.close();
              con.close();
        } catch(SQLException ex) {
              System.err.println("SQLException: " + 
    ex.getMessage());
        }
     }
    }

    code to read from excel and insert in database
    package Mysql;
     
    import java.io.File;
    import java.io.FileInputStream;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import java.sql.ResultSet;
    import java.util.ArrayList;
    import java.util.Iterator;
     
    import org.apache.poi.hssf.usermodel.HSSFCell;
    import org.apache.poi.hssf.usermodel.HSSFSheet;
    import org.apache.poi.hssf.usermodel.HSSFWorkbook;
    import org.apache.poi.ss.usermodel.Cell;
    import org.apache.poi.ss.usermodel.Row;
     
    public class test {
     
     
    	//static ArrayList cellArrayLisstHolder = new ArrayList();
     
    	public static void main(String[] args) throws Exception{
     
    		ArrayList dataHolder = readExcelFile(); 
    		saveToDatabase(dataHolder);
    	}
     
    		public static ArrayList readExcelFile(){
     
    		ArrayList medium = new ArrayList();
     
    	try {
     
    	    FileInputStream file = new FileInputStream(new File("d:\\Filme.xls"));
     
    	    //Get the workbook instance for XLS file 
    	    HSSFWorkbook workbook = new HSSFWorkbook(file);
     
    	    //Get first sheet from the workbook
    	    HSSFSheet sheet = workbook.getSheetAt(0);
     
    	    //Iterate through each rows from first sheet
    	    Iterator<Row> rowIterator = sheet.iterator();
    	    while(rowIterator.hasNext()) {
    	        Row row = rowIterator.next();
     
    	        //display from the third row until 5th
    	        if(row.getRowNum() > 0)
    	        {
     
    	        //For each row, iterate through each columns
    	        Iterator<Cell> cellIterator = row.cellIterator();
     
    	        ArrayList small = new ArrayList();
     
    	        while(cellIterator.hasNext()) {
     
    	            //Getting the cell contents
    	            Cell cell = cellIterator.next();
     
    	          small.add(cell);
     
    	          medium.add(small);
    		      }
    	        }
    	        }
    		    }catch (Exception e){e.printStackTrace(); 
    		    }
    		    return medium;
    		    }
     
    		private static void saveToDatabase(ArrayList dataHolder) {
    	    	   String url = "jdbc:mysql://localhost:3306/movies";
    	    	   String username = "root";
    	    	   String password = "root";
    	       Connection con;
    	       String query = "insert into filme values(?,?,?,?,?,?)";
    	       PreparedStatement ps = null;
    	       try {
    	////////////////////////make connection withthe database ///////////////////////////////
    	    	   Class.forName("com.mysql.jdbc.Driver");
    	           con = DriverManager.getConnection(url, username, password);
     
    	////////////////////////////////// Excute SQL statment:  ///////////////////////////////////////
     
    	           ps = con.prepareStatement(query);
     
    	           ArrayList cellStoreArrayList = null;
     
    	       	//For inserting into database
    	       	for (int i = 0; i < dataHolder.size(); i++) {
     
    	       	    cellStoreArrayList = (ArrayList)dataHolder.get(i);
     
    	       	       ps.setString(1,((HSSFCell)cellStoreArrayList.get(0)).toString());
    	       	       ps.setString(2,((HSSFCell)cellStoreArrayList.get(1)).toString());
    	       	       ps.setString(3,((HSSFCell)cellStoreArrayList.get(2)).toString());
    	       	       ps.setString(4,((HSSFCell)cellStoreArrayList.get(3)).toString());
    	       	       ps.setString(5,((HSSFCell)cellStoreArrayList.get(4)).toString());
    	       	       ps.setString(6,((HSSFCell)cellStoreArrayList.get(5)).toString());
     
    	       	      ps.executeUpdate();
     
    	       	       }
     
    	           ResultSet rs = ps.executeQuery(query);
    	           System.out.println(" Filme :");
    	           System.out.println(" ============== ");
     
    	/////////////////////////////handle the results: ///////////////////////////////////
     
    	               while (rs.next()) {
    	           		double s = rs.getDouble("CD_ID");
    	           		String f = rs.getString("Albumtitel");
    	           		String i = rs.getString("Interpret");
    	           		double d = rs.getDouble("CREATED_DATE");
    	           		double n = rs.getDouble("Track");
    	           		String t = rs.getString("Titel"); 
    	           		System.out.println(s + "   " + f + "             " + i + "        " + d + "      " + n + "   " + t);
    	           }
    	           ps.close();
    	           con.close();
     
    	           } catch(Exception ex) {
    	                   System.err.print("Exception: ");
    	                   System.err.println(ex.getMessage());
    	           }
    	}
    }

    The error message is :
    HTML Code:
    Exception: Index: 5, Size: 5
    and when i check out my data base it will show that it inserted the attributes more 5 times in the data base not just one and couldn't continue to insert it more the i get the error message

    I don't know why i got this error, and i don't know why insert the attributes more that once!!!

    my excel file
    HTML Code:
    CD_ID	Albumtitel	  Interpret   created Track   Titel
    --------------------------------------------------------------------------
    4711	Not That Kind	Anastacia	1999	1	Not That Kind
    4710	Not That Kind	Anastacia	1999	2	I’m Outta Love
    4712	Not That Kind	Anastacia	1999	3	Cowboys & Kisses
    4722	Wish You Her    Pink Floyd	1964	1	Shine On You Crazy Diamond
    4713	Freak of Nature	Anastacia	1999	1	Paid my Dues
    ps: the first row will not be inserted in the database so you can ignore it


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    Default Re: Error by export Data from Excel File to MySql database

    This thread has been cross posted here:

    http://www.java-forums.org/apache-poi/80513-error-export-data-excel-file-mysql-database.html

    Although cross posting is allowed, for everyone's benefit, please read:

    Java Programming Forums Cross Posting Rules

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