In case of removing ALL MidiEvent from Track object, attempt to add any MidiEvent
to this track causes java.lang.ArrayIndexOutOfBoundsException:

Reduced test code for reproduce ( see full test source in attach: test409.java )
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import javax.sound.midi.*;

public class test409 {
   private static boolean testPassed = false;

   public static void main(String[] args) {

      Sequence testSequence;
      Track testTrack;
      MidiEvent currEvent;

      try {
          testSequence = new Sequence(Sequence.PPQ, 10);
      } catch(InvalidMidiDataException e ) {
         System.out.println("Sequence creation failed: got exception " + e);
         testPassed = false;
         return;
      }

      testTrack = testSequence.createTrack();

// Track events cleanup:
// get next event ( use index 0 ) and try to remove it
      System.out.println("Track size initial:" + testTrack.size());

      while( testTrack.size() > 0 ) {
         try {
            currEvent = testTrack.get(0);
            testTrack.remove(currEvent);
         } catch (Exception e) {
            System.out.println("get()/remove() MidiEvent for track failed: " + e);
            testPassed = false;
            return;
         }
      }

      MetaMessage testMetaMessage = new MetaMessage();
      MidiEvent testMidiEvent = new MidiEvent(testMetaMessage, 10);

// Try to add event to track after cleanup
      try {
         if( !testTrack.add(testMidiEvent) ) {
               System.out.println("Track event add failed");
            testPassed = false;
         }
      } catch (Exception e) {
         System.out.println("add() MidiEvent for track failed: got exception " + e);
         testPassed = false;
      }
      System.out.println("Passed: " + testPassed);
   }
}
-----------------------------------------
Test output:
Track size initial:1
add() MidiEvent for track failed: got exception java.lang.ArrayIndexOutOfBoundsException: -1
Passed: false

Comment: possible incorrect work with eotEvent in remove()/add() methods of
         javax.sound.midi.Track
Failed: Solaris x86, Solaris sparc, Windows ( platform independent failure )
     on JDK 6 ( mustang ), JDK 5.0 u7