From 211f48d9818e25dfb7f4dcba0f893ccd6557ef5b Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@gns3.net>
Date: Thu, 3 Aug 2017 16:31:28 +0200
Subject: [PATCH] Catch error when something that is not the GNS3 server answer
 to virtualbox requests

Fix #1155
---
 gns3server/controller/gns3vm/virtualbox_gns3_vm.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/gns3server/controller/gns3vm/virtualbox_gns3_vm.py b/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
index 96b8c027..189b40c5 100644
--- a/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
+++ b/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import json.decoder
 import aiohttp
 import logging
 import asyncio
@@ -232,10 +231,11 @@ class VirtualBoxGNS3VM(BaseGNS3VM):
                 pass
 
             if resp:
-                try:
-                    json_data = yield from resp.json()
-                except ValueError:
-                    pass
+                if resp.status < 300:
+                    try:
+                        json_data = yield from resp.json()
+                    except ValueError:
+                        pass
                 resp.close()
 
             session.close()