file-store: log miss store files better

rhodecode/apps/file_store/local_store.py

@@ -91,6 +91,9 b' class LocalFileStorage(object):'
         self.base_path = base_path
         self.extensions = resolve_extensions([], groups=extension_groups)
 
+    def __repr__(self):
+        return '{}@{}'.format(self.__class__, self.base_path)
+
     def store_path(self, filename):
         """
         Returns absolute file path of the filename, joined to the

rhodecode/apps/file_store/views.py

@@ -106,7 +106,9 b' class FileStoreView(BaseAppView):'
         log.debug('Requesting FID:%s from store %s', file_uid, self.storage)
 
         if not self.storage.exists(file_uid):
-            log.debug('File with FID:%s not found in the store', file_uid)
+            store_path = self.storage.store_path(file_uid)
+            log.debug('File with FID:%s not found in the store under `%s`',
+                      file_uid, store_path)
             raise HTTPNotFound()
 
         db_obj = FileStore().query().filter(FileStore.file_uid == file_uid).scalar()