Catch more error to avoid dead lock at project close

gns3server/controller/compute.py

@@ -347,7 +347,7 @@ class Compute:
         if not self._connected and not self._closed:
             try:
                 response = yield from self._run_http_query("GET", "/capabilities")
-            except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientRequestError):
+            except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientRequestError, aiohttp.ClientResponseError):
                 # Try to reconnect after 2 seconds if server unavailable
                 asyncio.get_event_loop().call_later(2, lambda: asyncio.async(self.connect()))
                 return

gns3server/controller/node.py

@@ -342,7 +342,7 @@ class Node:
         try:
             yield from self.post("/stop")
         # We don't care if a compute is down at this step
-        except aiohttp.errors.ClientOSError:
+        except (aiohttp.errors.ClientOSError, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict):
             pass
 
     @asyncio.coroutine

gns3server/controller/project.py

@@ -497,7 +497,7 @@ class Project:
             try:
                 yield from compute.post("/projects/{}/close".format(self._id))
             # We don't care if a compute is down at this step
-            except aiohttp.errors.ClientOSError:
+            except (aiohttp.errors.ClientOSError, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict):
                 pass
         self._cleanPictures()
         self._status = "closed"