Handle a race condition at project closing

Fix #1015
7 years ago · 6870749e50
parent 3070a68273
commit 6870749e50
1 changed files with 4 additions and 1 deletions
--- a/gns3server/handlers/api/compute/project_handler.py
+++ b/gns3server/handlers/api/compute/project_handler.py
@ -112,7 +112,10 @@ class ProjectHandler:
        if ProjectHandler._notifications_listening.setdefault(project.id, 0) <= 1:
            yield from project.close()
            pm.remove_project(project.id)
-            del ProjectHandler._notifications_listening[project.id]
+            try:
+                del ProjectHandler._notifications_listening[project.id]
+            except KeyError:
+                pass
        else:
            log.warning("Skip project closing, another client is listening for project notifications")
        response.set_status(204)