From: jprocter <Jim Procter>
Date: Mon, 30 May 2005 11:03:27 +0000 (+0000)
Subject: fixed stacktrace potential for pairwise alignment action.
X-Git-Tag: Release_2_0~137
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=4780573f19f7d8958bd425dcc0cf45fa33d3348e;p=jalview.git

fixed stacktrace potential for pairwise alignment action.
---

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index b0eca3e..83ee1c3 100755
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -1004,7 +1004,8 @@ public class AlignFrame extends GAlignFrame
 
   public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)
   {
-    if(viewport.getSelectionGroup().getSize()<2)
+    if((viewport.getSelectionGroup()==null) ||
+       viewport.getSelectionGroup().getSize()<2)
       JOptionPane.showInternalMessageDialog(this, "You must select at least 2 sequences.", "Invalid Selection", JOptionPane.WARNING_MESSAGE);
     else
     {