drawSequence must be synchronized

[jalview.git] / src / jalview / appletgui / FeatureRenderer.java

diff --git a/src/jalview/appletgui/FeatureRenderer.java b/src/jalview/appletgui/FeatureRenderer.java
index ff58125..b36fbfd 100755 (executable)
--- a/src/jalview/appletgui/FeatureRenderer.java
+++ b/src/jalview/appletgui/FeatureRenderer.java
@@ -458,7 +458,7 @@ public class FeatureRenderer
   SequenceFeature[] sequenceFeatures;\r
   int sfSize, sfindex, spos, epos;\r
 \r
-  public void drawSequence(Graphics g, SequenceI seq,\r
+  synchronized public void drawSequence(Graphics g, SequenceI seq,\r
                            int start, int end, int y1)\r
   {\r
     if (seq.getSequenceFeatures() == null\r