files_versions expiration job trying to read filesize of (already) deleted files

[solracsf]

• NC 21.0.4

After set 'versions_retention_obligation' => 'auto, 7', observe in the logs (hundreds of lines for different files) in a daily baisis:

{
   "reqId":"eTxII8UuevYHseynuf6M",
   "level":3,
   "time":"2021-09-04T21:14:17+00:00",
   "remoteAddr":"",
   "user":"--",
   "app":"PHP",
   "method":"",
   "url":"--",
   "message":{
      "Exception":"Error",
      "Message":"filesize(): stat failed for /data/user/files_versions/folder/file.txt.v1628691872 at /lib/private/Files/Storage/Local.php#227",
      "Code":0,
      "Trace":[
         {
            "function":"onError",
            "class":"OC\\Log\\ErrorHandler",
            "type":"::",
            "args":[
               2,
               "filesize(): stat failed for /data/user/files_versions/folder/file.txt.v1628691872",
               "/lib/private/Files/Storage/Local.php",
               227,
               {
                  "path":"files_versions/folder/file.txt.v1628691872",
                  "fullPath":"/data/user/files_versions/folder/file.txt.v1628691872"
               }
            ]
         },
         {
            "file":"/lib/private/Files/Storage/Local.php",
            "line":227,
            "function":"filesize",
            "args":[
               "/data/user/files_versions/folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/lib/private/Files/Storage/Wrapper/Wrapper.php",
            "line":157,
            "function":"filesize",
            "class":"OC\\Files\\Storage\\Local",
            "type":"->",
            "args":[
               "files_versions/folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/lib/private/Files/Storage/Wrapper/Wrapper.php",
            "line":157,
            "function":"filesize",
            "class":"OC\\Files\\Storage\\Wrapper\\Wrapper",
            "type":"->",
            "args":[
               "files_versions/folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/lib/private/Files/View.php",
            "line":1172,
            "function":"filesize",
            "class":"OC\\Files\\Storage\\Wrapper\\Wrapper",
            "type":"->",
            "args":[
               "files_versions/folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/lib/private/Files/View.php",
            "line":415,
            "function":"basicOperation",
            "class":"OC\\Files\\View",
            "type":"->",
            "args":[
               "filesize",
               "files_versions/folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/apps/files_versions/lib/Storage.php",
            "line":587,
            "function":"filesize",
            "class":"OC\\Files\\View",
            "type":"->",
            "args":[
               "files_versions///folder/file.txt.v1628691872"
            ]
         },
         {
            "file":"/apps/files_versions/lib/Storage.php",
            "line":498,
            "function":"getAllVersions",
            "class":"OCA\\Files_Versions\\Storage",
            "type":"::",
            "args":[
               "user"
            ]
         },
         {
            "file":"/apps/files_versions/lib/BackgroundJob/ExpireVersions.php",
            "line":66,
            "function":"expireOlderThanMaxForUser",
            "class":"OCA\\Files_Versions\\Storage",
            "type":"::",
            "args":[
               "user"
            ]
         },
         {
            "file":"/lib/private/User/Manager.php",
            "line":646,
            "function":"OCA\\Files_Versions\\BackgroundJob\\{closure}",
            "class":"OCA\\Files_Versions\\BackgroundJob\\ExpireVersions",
            "type":"->",
            "args":[
               "*** sensitive parameters replaced ***"
            ]
         },
         {
            "file":"/apps/files_versions/lib/BackgroundJob/ExpireVersions.php",
            "line":67,
            "function":"callForSeenUsers",
            "class":"OC\\User\\Manager",
            "type":"->",
            "args":[
               {
                  "__class__":"Closure"
               }
            ]
         },
         {
            "file":"/lib/private/BackgroundJob/Job.php",
            "line":52,
            "function":"run",
            "class":"OCA\\Files_Versions\\BackgroundJob\\ExpireVersions",
            "type":"->",
            "args":[
               null
            ]
         },
         {
            "file":"/lib/private/BackgroundJob/TimedJob.php",
            "line":59,
            "function":"execute",
            "class":"OC\\BackgroundJob\\Job",
            "type":"->",
            "args":[
               {
                  "__class__":"OC\\BackgroundJob\\JobList"
               },
               {
                  "__class__":"OC\\Log"
               }
            ]
         },
         {
            "file":"/cron.php",
            "line":128,
            "function":"execute",
            "class":"OC\\BackgroundJob\\TimedJob",
            "type":"->",
            "args":[
               {
                  "__class__":"OC\\BackgroundJob\\JobList"
               },
               {
                  "__class__":"OC\\Log"
               }
            ]
         }
      ],
      "File":"/lib/private/Log/ErrorHandler.php",
      "Line":92,
      "CustomMessage":"--"
   },
   "userAgent":"--",
   "version":"21.0.4.1",
   "id":"6133e1aab3887"
}