getting a java.lang.NullPointerException
<pre><code>public class Combo {




     public void list() throws SQLException{
       ResultSet rs=connexion.getStats().executeQuery("select * from GROUP_FILIÈRE ");
      // ResultSetMetaData rsm=rs.getMetaData();
         String nom_fil[] = null; int i=0;   
       while( rs.next()){

           nom_fil[i]=rs.getObject(1).toString();

           System.out.println(' '+nom_fil[i]);
            i ++;
       }


    }



    public static void main(String args[]) throws SQLException{

          Combo cb=new Combo();

           cb.list();

    }

}
</code></pre>

<p>the problem is i don't know where is the problem</p>

<p>but what i want to do is geting some informations from database in a procedure and call this procedure in main</p>