Erreur: java.lang.ArrayIndexOutOfBoundsExcept

import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.PrintWriter;
import java.util.regex.*;


public class LireText {
	
	public static void main(String[] args){ 
	

	InputStreamReader flog = null;
	LineNumberReader llog = null; {
	String chaine = "";
	PrintWriter ficOut = null;
	
	String MyLine;
	try{
		flog = new InputStreamReader (new FileInputStream( "C:\\oraclexe\\XE\\Chargement_DWH.txt") );
		llog = new LineNumberReader (flog);
		
		 
		 while((MyLine = llog.readLine()) !=null) {
			 
			 //Affichage de la ligne lu depuis le fichier
			  
			 System.out.println("ligne :  " + MyLine);
			 //chaine = MyLine+"\n";
			 
			 int index=MyLine.indexOf("d'enregistrements logiques ");
			 
			 if (index > 0) { // si on trouve d'enregistrements logiques
				chaine+= MyLine + "|";
			 }
			 System.out.println("\n\nchaine= " + "\"" + chaine + "\"");
			 Pattern pattern = Pattern.compile("\\/");
			
			String[] tabGarder = pattern.split(chaine);
			   System.out.println("");
			   
			//Resultat
			   
			   
			   int lus = 0; 
	           int Rejetés = 0; 
	           String ligneOut = ""; 
	           String lGardee =  ""; 
	            
	              boolean append = true;
	             ficOut = new PrintWriter(new BufferedWriter(new FileWriter("out.txt,append")));

	                 
				    for(int i = 0; i < tabGarder.length; i++) {
				    	 String LGardee = tabGarder[i];
				    	System.out.println("lGardee: " + "\"" + LGardee + "\"");
				    	
				    }
				    
	             
			   String[] decompose = lGardee.split(" +"); // " +" au cas où il y aurait plus d'un espace entre les rubriques
			   lus = Integer.parseInt(decompose[6]); 
			   System.out.println("EnrLus = " + lus);
			   Rejetés = Integer.parseInt(decompose[6]); 
			   System.out.println("EnrRej = " + Rejetés);
			   ligneOut+= lus + " " + Rejetés; 
               ficOut.println(ligneOut); 
               ligneOut = ""; 
            } 
            
		  
            ficOut.close();
	             
				 
			 
		 }catch (Exception e){
			 e.printStackTrace();
			 System.err.println(" erreur : "+e.getMessage());
			 System.exit(1);
		 }
		 

}

} }