InputStreamReader isr =  new  InputStreamReader(is);
        BufferedReader b =  new  BufferedReader(isr);
        String s = b.readLine(); // sun.io.MalformedInputException

sun.io.MalformedInputException
  at sun.io.ByteToCharUTF8.convert(ByteToCharUTF8.java)
  at java.io.InputStreamReader.convertInto(InputStreamReader.java)
  at java.io.InputStreamReader.fill(InputStreamReader.java)
  at java.io.InputStreamReader.read(InputStreamReader.java)
  at java.io.BufferedReader.fill(BufferedReader.java)
  at java.io.BufferedReader.readLine(BufferedReader.java)
  at java.io.BufferedReader.readLine(BufferedReader.java)
...

        InputStreamReader isr =  new  InputStreamReader(is, "ISO-8859-1");