Leitura de arquivo XLS + POI + EOF

public int upDateTabelaExel(){
		/**
		 * Metodo para leirura de uma tabela do Excel 
		 * Jakarta POI API
		 * @author  Fredi D'Agostin
		 * @version 1.0
		 */
		int total=0;
		final String fileToBeRead="\\\\192.168.2.52\\atualizacao\\Read.xls";
		    
			try{
				// Create a work book reference
				HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(fileToBeRead));
				// Refer to the sheet. Put the Name of the sheet to be referred from
				// Alternative you can also refer the sheet by index using getSheetAt(int index)
				HSSFSheet sheet = workbook.getSheet("Sheet1");
				int inicio = sheet.getFirstRowNum();
				int final1 = sheet.getLastRowNum();
				int cont = 0;
				Conect conexao = new Conect();
				
				for(cont=inicio;cont<final1;cont++){
					
					HSSFRow row = sheet.getRow(cont);
					HSSFCell cell = row.getCell((short)0);
					HSSFRow row2 = sheet.getRow(cont);
					HSSFCell cell2 = row2.getCell((short)1);
					HSSFRow row3 = sheet.getRow(cont);
					HSSFCell cell3 = row3.getCell((short)2);
					
					Date dt = new Date();
					dt = cell3.getDateCellValue();
					String dataBanco = new SimpleDateFormat("yyyy-MM-dd").format(dt);
					String placa = cell.getStringCellValue().toString().trim();
					int km = (int) cell2.getNumericCellValue();
					Statement st = conexao.conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
					Statement st2 = conexao.conn.createStatement();
					String sqlSelect = "select placa from cveic where placa ='"+placa+"'";
					ResultSet rs = st.executeQuery(sqlSelect);
					String placaRes = "";
					while(rs.next()){
						placaRes = rs.getString("placa");
						
					}
						if(placaRes.equalsIgnoreCase(placa)){
					
							String update = "UPDATE CVEIC SET HODOMETROTOTAL ="+km+
											", DATAALTERACAO='"+dataBanco+"' WHERE PLACA ='"+
											placaRes+"'";
							st2.executeUpdate(update);
							total++;
						}
	
				}
				conexao.exitConect();

	     }catch(Exception e) {
	         System.out.println("!! Erro !! xlRead() : " + e );
	     }