basic implementation of profile display and todos

[jalview.git] / src / jalview / gui / SequenceRenderer.java

diff --git a/src/jalview/gui/SequenceRenderer.java b/src/jalview/gui/SequenceRenderer.java
index 98329b4..1d49da8 100755 (executable)
--- a/src/jalview/gui/SequenceRenderer.java
+++ b/src/jalview/gui/SequenceRenderer.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.4)
- * Copyright (C) 2008 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Development Version 2.4.1)
+ * Copyright (C) 2009 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -181,6 +181,7 @@ public class SequenceRenderer
   public synchronized void drawBoxes(SequenceI seq, int start, int end,
           int y1)
   {
+    if (seq==null) return; // fix for racecondition
     int i = start;
     int length = seq.getLength();