From 31ed2a4c963943a66a46b41d4b9ae7355c0244a6 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@gns3.net>
Date: Thu, 16 Mar 2017 12:05:30 +0100
Subject: [PATCH] Fix ComputeError: Can't connect to Main server

Fix #942
---
 gns3server/controller/project.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gns3server/controller/project.py b/gns3server/controller/project.py
index c6caa7bf..67d989cb 100644
--- a/gns3server/controller/project.py
+++ b/gns3server/controller/project.py
@@ -663,7 +663,10 @@ class Project:
                 pass
             self._status = "closed"
             self._loading = False
-            raise e
+            if isinstance(e, ComputeError):
+                raise aiohttp.web.HTTPConflict(text=str(e))
+            else:
+                raise e
         try:
             os.remove(path + ".backup")
         except OSError: