ncp-web backups.php crashes

[tahoar]

NextCloud v25.0.3
NextCloudPi v1.51.0
Debian 11.6
PHP 8.1-fpm

Problem:
Nextcloudpi web UI (System Info screen) crashes when one or more backup files with proper name syntax (nextcloud-bkp_yyyymmdd_dddddddddd.tar.gz) are present in the configured nc-backup.cfg DESTDIR directory.

Result:
Initial System Info screen collects information (spinning mouse icon). It then shows status information but immediately goes blank with the message: "Something went wrong. Try refreshing the page"
I can navigate left menu to other apps, but returning to System Info screen is always blank. After hard browser refresh (ctrl-shift-R with Firefox), the screen collects information and then goes blank with message again.

Error message in error.log:
[Sun Feb 05 20:03:17.301164 2023] [proxy_fcgi:error] [pid 4438] [client 192.168.50.1:52012] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /var/www/ncp-web/backups.php:76\nStack trace:\n#0 /var/www/ncp-web/ncp-launcher.php(146): include()\n#1 {main}\n thrown in /var/www/ncp-web/backups.php on line 76'

Note: removing the backup files from the configured directory, followed by hard browser refresh clears the error and displays system information.

[tahoar]

Ping... Any suggestions? The problem continues and the solution to remove the backup file from the configured folder still works. However, that's not the same as having it work properly.

[tahoar]

Ping... This bug continues in NextcloudPi version v1.51.1 update.

[Dani-Pi]

I see the same problem in v1.52.0. Cleaning up the backup folder solves the problem till a new backup is made.

[theCalcaholic]

Thanks for reporting! I'm currently very short on time but will try to look into this issue on the weekend.

[Dani-Pi]

The bug continues in NCP v1.52.1

[Dani-Pi]

The bug continues in NCP v1.52.2

[Halloran]

in NCP v1.51.4 a similar issue occurs when the system has a corrupted backup-info-cache.cfg file. I was able to resolve this by renaming the backup-info-cache.cfg file, thought I don't know how the file got corrupted in the first place.

Looking at the code, it seems like adding a check to ensure that backup-info-cache.cfg contains valid json as is done for nc-backup-auto.cfg, might resolve the issue.

Thanks for your hard work on a great project!

[Dani-Pi]

in NCP v1.51.4 a similar issue occurs when the system has a corrupted backup-info-cache.cfg file. I was able to resolve this by renaming the backup-info-cache.cfg file, thought I don't know how the file got corrupted in the first place.

Looking at the code, it seems like adding a check to ensure that backup-info-cache.cfg contains valid json as is done for nc-backup-auto.cfg, might resolve the issue.

Thanks for your hard work on a great project!

Solved the problem for me. Thank you, @Halloran !!