X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAnnotationPanel.java;h=417eb8c591c93b6c2c05c142bfc93823ccd1070a;hb=7d4faec78c1f439321625557e09e574bc6211e8d;hp=844c1abfaa242c082fa7ad624df27783e2bd4421;hpb=36244a2f01fed95c198b8f8c84b6f0020f679b66;p=jalview.git

diff --git a/src/jalview/gui/AnnotationPanel.java b/src/jalview/gui/AnnotationPanel.java
index 844c1ab..417eb8c 100755
--- a/src/jalview/gui/AnnotationPanel.java
+++ b/src/jalview/gui/AnnotationPanel.java
@@ -509,12 +509,17 @@ public class AnnotationPanel extends JPanel implements MouseListener,
             }
         }
 
+        if(row==-1)
+          return;
+
         int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
 
         if(av.hasHiddenColumns)
           res = av.getColumnSelection().adjustForHiddenColumns(res);
 
-        if (row > -1 && res<aa[row].annotations.length)
+        if ( aa[row].annotations!=null
+             && row > -1
+             && res < (int) aa[row].annotations.length)
         {
             if(aa[row].graphGroup>-1)
             {