From cc789a19791b2b38165a8f4977b3a1428f707d15 Mon Sep 17 00:00:00 2001
From: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Date: Wed, 9 Oct 2013 09:35:35 -0700
Subject: [PATCH] Fixed an NPE during shutdown.

---
 .../src/org/eclipse/cdt/codan/internal/ui/cxx/Startup.java      | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/codan/org.eclipse.cdt.codan.ui.cxx/src/org/eclipse/cdt/codan/internal/ui/cxx/Startup.java b/codan/org.eclipse.cdt.codan.ui.cxx/src/org/eclipse/cdt/codan/internal/ui/cxx/Startup.java
index c31956a4aa3..30eae21148a 100644
--- a/codan/org.eclipse.cdt.codan.ui.cxx/src/org/eclipse/cdt/codan/internal/ui/cxx/Startup.java
+++ b/codan/org.eclipse.cdt.codan.ui.cxx/src/org/eclipse/cdt/codan/internal/ui/cxx/Startup.java
@@ -37,6 +37,8 @@ public class Startup implements IStartup {
 			@Override
 			public void run() {
 				IWorkbenchWindow active = workbench.getActiveWorkbenchWindow();
+				if (active == null)
+					return;  // The workbench is shutting down.
 				final IWorkbenchPage page = active.getActivePage();
 				CodanPartListener partListener = new CodanPartListener();
 				page.addPartListener(partListener);