[510040] Fix NPE when deleting root aird

Bug: 510040
Change-Id: Ifa46d4ece3eb50b0392b7d0baef14209a83d692b
Signed-off-by: pguilet <pierre.guilet@obeo.fr>

1 files changed, 2 insertions, 3 deletions

diff --git a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/graphicalcomponents/GraphicalRepresentationHandler.java b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/graphicalcomponents/GraphicalRepresentationHandler.java
index a8ce785479..d6e1876619 100644
--- a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/graphicalcomponents/GraphicalRepresentationHandler.java
+++ b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/graphicalcomponents/GraphicalRepresentationHandler.java
@@ -1067,11 +1067,10 @@ public class GraphicalRepresentationHandler implements SessionManagerListener {
             case SessionListener.REPRESENTATION_CHANGE:
             case SessionListener.VSM_UPDATED:
             case SessionListener.REPLACED:
-                PlatformUI.getWorkbench().getDisplay().asyncExec(() -> {
+                PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
                     if (session != null && !treeViewer.getControl().isDisposed()) {
                         // we refresh the content of the representations block as it may have changed for example when a
-                        // new
-                        // project containing a design has been opened
+                        // new project containing a design has been opened
                         initInput();
                     }
                 });