JAL-2939 exit calc thread if no HMM in alignment

diff --git a/src/jalview/workers/InformationThread.java b/src/jalview/workers/InformationThread.java
index cf42425..d719189 100644 (file)
--- a/src/jalview/workers/InformationThread.java
+++ b/src/jalview/workers/InformationThread.java
@@ -44,6 +44,10 @@ public class InformationThread extends AlignCalcWorker
   @Override
   public void run()
   {
+    if (alignViewport.getAlignment().getHmmSequences().isEmpty())
+    {
+      return;
+    }
     if (calcMan.isPending(this))
     {
       return;