[2.2.x] Fixed #30647 -- Fixed crash of autoreloader when extra directory cannot be resolved.

Backport of fc75694257b5bceab82713f84fe5a1b23d641c3f from master.

1 files changed, 9 insertions, 2 deletions

diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
index 3153f3f14d..aa152343d6 100644
--- a/django/utils/autoreload.py
+++ b/django/utils/autoreload.py
@@ -235,8 +235,15 @@ class BaseReloader:
 
     def watch_dir(self, path, glob):
         path = Path(path)
-        if not path.is_absolute():
-            raise ValueError('%s must be absolute.' % path)
+        try:
+            path = path.absolute()
+        except FileNotFoundError:
+            logger.debug(
+                'Unable to watch directory %s as it cannot be resolved.',
+                path,
+                exc_info=True,
+            )
+            return
         logger.debug('Watching dir %s with glob %s.', path, glob)
         self.directory_globs[path].add(glob)