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Java Forum / First Aid / May 2005

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Midi Exception

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afaatz - 25 May 2005 21:20 GMT
Hi!

I'm trying to open a midi file in the following way, but I get an
InvalidMidiDataException - why? Thx, Andreas

import javax.sound.midi.*;
import java.io.*;

public class Kompositor  {

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

    String filename =
"C:\\eclipse\\eclipse\\workspace\\Kompositor\\Always_On_My_Mind.mid";
    File midfile = new File(filename);
    FileInputStream in = new FileInputStream(midfile);
    Sequence seq = MidiSystem.getSequence(in);}

    }
Andrew Thompson - 26 May 2005 03:16 GMT
> I'm trying to open a midi file in the following way, but I get an
> InvalidMidiDataException - why?

Well, the docs say that the IMDE is thrown when the stream/URL..
"..does not point to valid MIDI file data recognized by the system"

Note that just because the mid plays in WinAmp does not mean it
contains (all) valid data.  Most of the MIDI players are made fairly
robust to handle the data that other music sequencers/editors liberally
refer to as MIDI.

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