JAL-3253-applet headless branch - just experimenting.

[jalview.git] / src / jalview / bin / JalviewAppLoader.java

diff --git a/src/jalview/bin/JalviewAppLoader.java b/src/jalview/bin/JalviewAppLoader.java
index 51a0330..6225155 100644 (file)
--- a/src/jalview/bin/JalviewAppLoader.java
+++ b/src/jalview/bin/JalviewAppLoader.java
@@ -987,9 +987,12 @@ public class JalviewAppLoader
           @Override
           public void run()
           {
-            StructureSelectionManager
+            if (Desktop.getInstance() != null)
+            {
+              StructureSelectionManager
                     .getStructureSelectionManager(Desktop.getInstance())
                     .mouseOverVamsasSequence(sq, sq.findIndex(pos), null);
+            }
           }
         });
       }