added failsafe fix for cases where null sequence names are passed to constructor

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index ec135d0..257f88a 100755 (executable)
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -86,6 +86,11 @@ public class Sequence
 
   void parseId()
   {
+    if (name==null)
+    {
+      System.err.println("POSSIBLE IMPLEMENTATION ERROR: null sequence name passed to constructor.");
+      name = "";
+    }
     // Does sequence have the /start-end signiature?
     if (limitrx.search(name))
     {