X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fstructure%2FStructureSelectionManager.java;h=9797a2050fb459e244629f5a8f4c9e230aa5987e;hb=a7fe8d0fa8a37d31c729a05663a9386f479b3c91;hp=d2b336d3dec563a2e30aa0640517da5e573a67a4;hpb=f98565987df73493376993566bad1784d9c75e84;p=jalview.git

diff --git a/src/jalview/structure/StructureSelectionManager.java b/src/jalview/structure/StructureSelectionManager.java
index d2b336d..9797a20 100644
--- a/src/jalview/structure/StructureSelectionManager.java
+++ b/src/jalview/structure/StructureSelectionManager.java
@@ -343,7 +343,10 @@ public class StructureSelectionManager
       if (listeners.elementAt(i) instanceof StructureListener)
       {
         sl = (StructureListener) listeners.elementAt(i);
-
+        if (mappings==null)
+        {
+          continue;
+        }
         for (int j = 0; j < mappings.length; j++)
         {
           if (mappings[j].sequence == seq