X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fgui%2FProgressBar.java;h=5307f26ec07519dd319fe848fa0772710a6e94b2;hb=6746132759f6de25a29c113c724e805d114c9c1d;hp=8ebc98d356e1588a3a839a98f3cacd56a60806b1;hpb=b889ea425e373a429b24e7eb2b2e3d4b6ad766dc;p=jalview.git

diff --git a/src/jalview/gui/ProgressBar.java b/src/jalview/gui/ProgressBar.java
index 8ebc98d..5307f26 100644
--- a/src/jalview/gui/ProgressBar.java
+++ b/src/jalview/gui/ProgressBar.java
@@ -1,6 +1,7 @@
 package jalview.gui;
 
 import java.awt.BorderLayout;
+import java.awt.Component;
 import java.awt.GridLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -148,7 +149,11 @@ public class ProgressBar implements IProgressIndicator
     /*
      * lay out progress bar container hierarchy
      */
-    SwingUtilities.getRoot(statusPanel).validate();
+    Component root = SwingUtilities.getRoot(statusPanel);
+    if (root != null)
+    {
+      root.validate();
+    }
   }
 
   /**