Error: Call to a member function getTimestamp() on string in /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php:232

[mrmipo]

Hi

From yesterday clustering stop working. Probably it stop working after upgrade Nextcloud AIO to 9.7.0 (nextcloud 29.0.8.1).

Expected behaviour

After executing
occ face:background_job --defer-clustering -vvv

new face should be associated with persons but it finish with error.

Actual behaviour

Found 14 faces without associated persons for user mipo and model 5 An unhandled exception has been thrown: Error: Call to a member function getTimestamp() on string in /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php:232

Steps to reproduce

1. upload new image
2. run: occ face:background_job --defer-clustering -vvv

Server configuration

• Operating system: Fedora 40 as a host for nextcloud aio 9.7.0

• PHP version: 8.2.24

• Web server: Apache 2.4.62

• Database: PostgreSQL 16.4

• Nextcloud version: 29.0.8.1

Logs

Background task log with debug.

sudo -u apache php occ -vvv face:background_job

1/8 - Executing task CheckRequirementsTask (Check all requirements)
        System: Linux
        System memory: 33503440896
        PHP Memory Limit: 8589934592
        Clustering backend: PHP (Not recommended.)
        Image Backend: Imaginary
        Imaginary version: dev
2/8 - Executing task CheckCronTask (Check that service is started from either cron or from command)
3/8 - Executing task DisabledUserRemovalTask (Purge all the information of a user when disable the analysis.)
yielding
yielding
yielding
yielding
yielding
yielding
4/8 - Executing task StaleImagesRemovalTask (Crawl for stale images (either missing in filesystem or under .nomedia) and remove them from DB)
        Skipping stale images removal for user admin as there is no need for it
        Skipping stale images removal for user maja as there is no need for it
        Skipping stale images removal for user ola as there is no need for it
        Skipping stale images removal for user tomek as there is no need for it
        Skipping stale images removal for user jsemaniuk as there is no need for it
        Skipping stale images removal for user mipo as there is no need for it
5/8 - Executing task CreateClustersTask (Create new persons or update existing persons)
        Skipping cluster creation, not enough data (yet) collected. For cluster creation, you need either one of the following:
        * have 1000 faces already processed
        * or you need to have 95% of you images processed
        Use stats command to track progress
yielding
        Skipping cluster creation, not enough data (yet) collected. For cluster creation, you need either one of the following:
        * have 1000 faces already processed
        * or you need to have 95% of you images processed
        Use stats command to track progress
yielding
        Skipping cluster creation, not enough data (yet) collected. For cluster creation, you need either one of the following:
        * have 1000 faces already processed
        * or you need to have 95% of you images processed
        Use stats command to track progress
yielding
        Skipping cluster creation, not enough data (yet) collected. For cluster creation, you need either one of the following:
        * have 1000 faces already processed
        * or you need to have 95% of you images processed
        Use stats command to track progress
yielding
        Skipping cluster creation, not enough data (yet) collected. For cluster creation, you need either one of the following:
        * have 1000 faces already processed
        * or you need to have 95% of you images processed
        Use stats command to track progress
yielding
        Found 14 faces without associated persons for user mipo and model 5
An unhandled exception has been thrown:
Error: Call to a member function getTimestamp() on string in /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php:232
Stack trace:
#0 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php(108): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->hasNewFacesToRecreate('mipo', 5)
#1 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php(90): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->createClusterIfNeeded('mipo')
#2 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/BackgroundService.php(150): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->execute(Object(OCA\FaceRecognition\BackgroundJob\FaceRecognitionContext))
#3 /var/www/html/custom_apps/facerecognition/lib/Command/BackgroundCommand.php(192): OCA\FaceRecognition\BackgroundJob\BackgroundService->execute(0, true, NULL, NULL, 'default-mode')
#4 /var/www/html/3rdparty/symfony/console/Command/Command.php(298): OCA\FaceRecognition\Command\BackgroundCommand->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /var/www/html/3rdparty/symfony/console/Application.php(1040): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /var/www/html/3rdparty/symfony/console/Application.php(301): Symfony\Component\Console\Application->doRunCommand(Object(OCA\FaceRecognition\Command\BackgroundCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 /var/www/html/3rdparty/symfony/console/Application.php(171): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 /var/www/html/lib/private/Console/Application.php(213): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /var/www/html/console.php(102): OC\Console\Application->run()
#10 /var/www/html/occ(11): require_once('/var/www/html/c...')
#11 {main}

Nextcloud log (data/nextcloud.log)

Nextcloud log

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{"reqId":"2EVnOV1y722EERfCE26m","level":3,"time":"2024-10-22T06:34:58+00:00","remoteAddr":"172.16.0.1","user":"mipo","app":"index","method":"GET","url":"/apps/facerecognition/face/172147/thumb/128","message":"OCP\\AppFramework\\Http\\DataDisplayResponse::__construct(): Argument #1 ($data) must be of type string, null given, called in /var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php on line 130 in file '/var/www/html/lib/public/AppFramework/Http/DataDisplayResponse.php' line 52","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36","version":"29.0.8.1","exception":{"Exception":"Exception","Message":"OCP\\AppFramework\\Http\\DataDisplayResponse::__construct(): Argument #1 ($data) must be of type string, null given, called in /var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php on line 130 in file '/var/www/html/lib/public/AppFramework/Http/DataDisplayResponse.php' line 52","Code":0,"Trace":[{"file":"/var/www/html/lib/private/AppFramework/App.php","line":184,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[["OCA\\FaceRecognition\\Controller\\FaceController"],"getThumb"]},{"file":"/var/www/html/lib/private/Route/Router.php","line":331,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\FaceRecognition\\Controller\\FaceController","getThumb",["OC\\AppFramework\\DependencyInjection\\DIContainer"],["172147","128","facerecognition.face.getthumb"]]},{"file":"/var/www/html/lib/base.php","line":1058,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/apps/facerecognition/face/172147/thumb/128"]},{"file":"/var/www/html/index.php","line":49,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","Line":170,"Previous":{"Exception":"TypeError","Message":"OCP\\AppFramework\\Http\\DataDisplayResponse::__construct(): Argument #1 ($data) must be of type string, null given, called in /var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php on line 130","Code":0,"Trace":[{"file":"/var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php","line":130,"function":"__construct","class":"OCP\\AppFramework\\Http\\DataDisplayResponse","type":"->","args":[null,200,[null]]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":232,"function":"getThumb","class":"OCA\\FaceRecognition\\Controller\\FaceController","type":"->","args":["172147","128"]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":138,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[["OCA\\FaceRecognition\\Controller\\FaceController"],"getThumb"]},{"file":"/var/www/html/lib/private/AppFramework/App.php","line":184,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[["OCA\\FaceRecognition\\Controller\\FaceController"],"getThumb"]},{"file":"/var/www/html/lib/private/Route/Router.php","line":331,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\FaceRecognition\\Controller\\FaceController","getThumb",["OC\\AppFramework\\DependencyInjection\\DIContainer"],["172147","128","facerecognition.face.getthumb"]]},{"file":"/var/www/html/lib/base.php","line":1058,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/apps/facerecognition/face/172147/thumb/128"]},{"file":"/var/www/html/index.php","line":49,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/var/www/html/lib/public/AppFramework/Http/DataDisplayResponse.php","Line":52},"message":"OCP\\AppFramework\\Http\\DataDisplayResponse::__construct(): Argument #1 ($data) must be of type string, null given, called in /var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php on line 130 in file '/var/www/html/lib/public/AppFramework/Http/DataDisplayResponse.php' line 52","exception":{},"CustomMessage":"OCP\\AppFramework\\Http\\DataDisplayResponse::__construct(): Argument #1 ($data) must be of type string, null given, called in /var/www/html/custom_apps/facerecognition/lib/Controller/FaceController.php on line 130 in file '/var/www/html/lib/public/AppFramework/Http/DataDisplayResponse.php' line 52"}}
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[nordscan]

After issue with distance(): Argument #1 ($vector1) must be of type array
and Call to undefined function: dlib_vector_length()
got it running..

butwhen I started it the second time i got error with Timestamp too :)

An unhandled exception has been thrown:
Error: Call to a member function getTimestamp() on string in /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php:232
Stack trace:
#0 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php(108): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->hasNewFacesToRecreate('nordscan', 5)
#1 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/Tasks/CreateClustersTask.php(90): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->createClusterIfNeeded('nordscan')
#2 /var/www/html/custom_apps/facerecognition/lib/BackgroundJob/BackgroundService.php(150): OCA\FaceRecognition\BackgroundJob\Tasks\CreateClustersTask->execute(Object(OCA\FaceRecognition\BackgroundJob\FaceRecognitionContext))
#3 /var/www/html/custom_apps/facerecognition/lib/Command/BackgroundCommand.php(192): OCA\FaceRecognition\BackgroundJob\BackgroundService->execute(900, false, Object(OC\User\User), NULL, 'default-mode')
#4 /var/www/html/3rdparty/symfony/console/Command/Command.php(298): OCA\FaceRecognition\Command\BackgroundCommand->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /var/www/html/3rdparty/symfony/console/Application.php(1040): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /var/www/html/3rdparty/symfony/console/Application.php(301): Symfony\Component\Console\Application->doRunCommand(Object(OCA\FaceRecognition\Command\BackgroundCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 /var/www/html/3rdparty/symfony/console/Application.php(171): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 /var/www/html/lib/private/Console/Application.php(213): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /var/www/html/console.php(102): OC\Console\Application->run()
#10 /var/www/html/occ(11): require_once('/var/www/html/c...')
#11 {main}

[tuxArg]

I solved this by changing /lib/BackgroundJob/Tasks/CreateClustersTask.php from line 232 to:

if (is_string($oldestFace->creationTime)) {
    $oldestFaceTimestamp = strtotime($oldestFace->creationTime);
    $oldestFaceFormat=$oldestFace->creationTime;
} else {
    $oldestFaceTimestamp = $oldestFace->creationTime->getTimestamp();
    $oldestFaceFormat=$oldestFace->creationTime->format('Y-m-d H:i:s');
}
$currentTimestamp = (new \DateTime())->getTimestamp();
$this->logDebug(sprintf('Oldest face without persons for user %s and model %d is from %s',
                $userId, $modelId, $oldestFaceFormat));

[nordscan]

now its working again...thnx

[Oski19831]

#780 (comment)

This should fix this Issue too...

[matiasdelellis]

Hi everyone,
I will soon release a version compatible with NC30, and I was thinking of deprecating NC29 since I can't test it. However, I see that some Nextcloud update is causing problems in NC29 with this application as well.. 😞

As I said, I couldn't reproduce this problem in my installations or in testing. However, I am trying the fix suggested by Oski19831, and in my case it does not cause any problems.

Here I leave you a tarball with all the changes introduced for nexctloud 30 and still compatible with nc29 plus this patch.

• facerecognition.tar.gz

If you test it and confirm that it works, I will add it and release the update this week.. 😉

[Oski19831]

I will test it as soon as possible... give me few days for this..

[Oski19831]

I cannot reproduce this issue. But i think it schould have been fixed too because it is the same conversation-Issue in NC like this #780 (comment)