warning for failed parsing of newick strings

diff --git a/src/jalview/gui/Jalview2XML.java b/src/jalview/gui/Jalview2XML.java
index 4664a6a..115477d 100755 (executable)
--- a/src/jalview/gui/Jalview2XML.java
+++ b/src/jalview/gui/Jalview2XML.java
@@ -2257,6 +2257,11 @@ public class Jalview2XML
             tp.treeCanvas.ap = ap; // af.alignPanel;
 
           }
+         if (tp==null)
+          {
+            warn("There was a problem recovering stored Newick tree: \n"+tree.getNewick());
+            continue;
+          }
 
           tp.fitToWindow.setState(tree.getFitToWindow());
           tp.fitToWindow_actionPerformed(null);