public static void main(String args[]){
    
  BufferedReader buff = null;
  FileReader myFile = null;

  try {
    myFile=new FileReader("/WEB-INF/ip.txt");
    buff = new BufferedReader(myFile);
      while (true) {
      String line = buff.readLine();
      if (line == null) break; System.out.println(line);
      }
    }catch (IOException e){
  e.printStackTrace();
  } finally {
    try{
      buff.close();
      myFile.close();
    }catch(IOException e1){
      e1.printStackTrace();
    }
  }    
  }

InputStream instr = Мой класс.class.getResourceAsStream( "/config/ip.txt" );
buff = new BufferedReader(new InputStreamReader( instr ));