ref #6597 Fix potential NPE

diff --git a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/details/DetailsPartE4.java b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/details/DetailsPartE4.java
index 356dd29e40603cc67af074c9b6ddbf6d6b9f4a09..15c7a3f15746e776eb6961990993f3ddd4c4122d 100644 (file)
--- a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/details/DetailsPartE4.java
+++ b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/details/DetailsPartE4.java
@@ -90,7 +90,7 @@ public class DetailsPartE4 extends AbstractCdmEditorPartE4 implements IPartConte
     @Override
     protected void showEmptyPage() {
         super.showEmptyPage();
-        if(viewer!=null && !viewer.getControl().isDisposed()){
+        if(viewer!=null && viewer.getControl()!=null && !viewer.getControl().isDisposed()){
             ((DetailsViewerE4)viewer).destroySections();
         }
     }