Prevent a dead lock when closing server

gns3server/controller/__init__.py

@@ -89,7 +89,7 @@ class Controller:
             try:
                 yield from compute.close()
             # We don't care if a compute is down at this step
-            except aiohttp.errors.ClientOSError:
+            except (aiohttp.errors.ClientOSError, aiohttp.web_exceptions.HTTPError):
                 pass
         yield from self.gns3vm.exit_vm()
         self._computes = {}

gns3server/controller/node.py

@@ -389,7 +389,7 @@ class Node:
         try:
             yield from self.post("/stop")
         # We don't care if a compute is down at this step
-        except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientHttpProcessingError, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict):
+        except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientHttpProcessingError, aiohttp.web.HTTPError):
             pass
 
     @asyncio.coroutine

gns3server/controller/project.py

@@ -531,7 +531,7 @@ 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, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict):
+            except (aiohttp.errors.ClientOSError, aiohttp.web.HTTPError):
                 pass
         self._cleanPictures()
         self._status = "closed"