From b9bc73fd0109a6195c714c0e910bcfd0805b2192 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Wed, 29 Apr 2015 14:21:02 +0200
Subject: [PATCH] Do not crash when closing a project if VirtualBox is not
 accessible

Fix #164
---
 gns3server/modules/virtualbox/__init__.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gns3server/modules/virtualbox/__init__.py b/gns3server/modules/virtualbox/__init__.py
index ce1faece..94c62435 100644
--- a/gns3server/modules/virtualbox/__init__.py
+++ b/gns3server/modules/virtualbox/__init__.py
@@ -122,7 +122,12 @@ class VirtualBox(BaseManager):
         """
 
         hdds = []
-        properties = yield from self.execute("list", ["hdds"])
+        try:
+            properties = yield from self.execute("list", ["hdds"])
+        # If VirtualBox is not available we have no inaccessible hdd
+        except VirtualBoxError:
+            return hdds
+
         flag_inaccessible = False
         for prop in properties:
             try: