Index: filefield_field.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/filefield/filefield_field.inc,v
retrieving revision 1.18
diff -u -r1.18 filefield_field.inc
--- filefield_field.inc	15 Mar 2009 06:21:21 -0000	1.18
+++ filefield_field.inc	17 Mar 2009 04:36:56 -0000
@@ -173,6 +173,11 @@
     }
     // Add nid so formatters can create a link to the node.
     $items[$delta]['nid'] = $node->nid;
+
+    // Verify the file exists on the server.
+    if (!empty($item['filepath']) && !file_exists($item['filepath'])) {
+      watchdog('filefield', 'FileField was trying to display the file %file, but it does not exist.', array('%file' => $item['filepath']));
+    }
   }
 }