X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignment.java;h=375e6b455e0a05a13b8f5673883bf626b969e2f1;hb=b122ba188c2ffcbb302809bafc02058e355643ee;hp=cfd6aee05b6f61624b167b24dfa6c553f5368537;hpb=c1d8867e99833bcb9019aaebddfabb99dd852f66;p=jalview.git

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index cfd6aee..375e6b4 100755
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -2069,6 +2069,10 @@ public class Alignment implements AlignmentI, AutoCloseable
   @Override
   public ContactListI getContactListFor(AlignmentAnnotation _aa, int column)
   {
+    if (_aa.annotations==null || column>=_aa.annotations.length || column<0)
+    {
+      return null;
+    }
     ContactListI cl = cmholder.getContactListFor(_aa, column);
     if (cl == null && _aa.groupRef != null)
     {