diff -u -r1.27 -r1.28
--- TrackerReconDriver.java	12 Oct 2012 20:29:04 -0000	1.27
+++ TrackerReconDriver.java	17 Oct 2012 22:58:21 -0000	1.28
@@ -188,8 +188,11 @@

 
         // Debug printouts.
         if (debug) {

-            System.out.println(this.getClass().getSimpleName() + ": The HelicalTrackHit collection " + stInputCollectionName + " has " + event.get(HelicalTrackHit.class, stInputCollectionName).size() + " hits.");
-

+            if(event.hasCollection(HelicalTrackHit.class,stInputCollectionName)) {
+                System.out.println(this.getClass().getSimpleName() + ": The HelicalTrackHit collection " + stInputCollectionName + " has " + event.get(HelicalTrackHit.class, stInputCollectionName).size() + " hits.");
+            } else {
+                System.out.println(this.getClass().getSimpleName() + ": No HelicalTrackHit collection for this event");
+            }

             // Check for Tracks.
             List<Track> tracks = event.get(Track.class, trackCollectionName);
             System.out.println(this.getClass().getSimpleName() + ": The Track collection " + trackCollectionName + " has " + tracks.size() + " tracks.");