X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fio%2FJSONFile.java;h=653c071579c754563068095bb0a0a2bf3e985c82;hb=e5759b04c4487a7ac09a0231a8e9f958ce38e93a;hp=3cda444958fc76a6716128ffa3f8b0ed102ecad6;hpb=dea079f732d46e67066405edece02f673f9c0f0c;p=jalview.git

diff --git a/src/jalview/io/JSONFile.java b/src/jalview/io/JSONFile.java
index 3cda444..653c071 100644
--- a/src/jalview/io/JSONFile.java
+++ b/src/jalview/io/JSONFile.java
@@ -735,6 +735,10 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
   @Override
   public void configureForView(AlignmentViewPanel avpanel)
   {
+    if (avpanel == null)
+    {
+      return;
+    }
     super.configureForView(avpanel);
     AlignViewportI viewport = avpanel.getAlignViewport();
     AlignmentI alignment = viewport.getAlignment();