After updating from Linux Mint Vanessa to Wilma and finally to Xia and updating Nextcloud to 31.0.5, cron.php produces exactly each hour+cron frequency (frequency all 4 min => 00:04;01:08;02:12;03:16; …) an error message like:
{“reqId”:“hf2ABk6yccJduZN17Hs2”,“level”:3,“time”:“2025-05-25T09:20:02+00:00”,“remoteAddr”:“”,“user”:“–”,“app”:“core”,“method”:“”,“url”:“–”,“message”:“Error while running background job OCA\Mail\BackgroundJob\IMipMessageJob (id: 295961, arguments: null)”,“userAgent”:“–”,“version”:“31.0.5.1”,“exception”:{“Exception”:“Error”,“Message”:“Call to a member function getValue() on null”,“Code”:0,“Trace”:[{“file”:“/var/www/nextcloud/apps/mail/lib/Service/IMipService.php”,“line”:149,“function”:“handleIMipReply”,“class”:“OC\Calendar\Manager”,“type”:“->”},{“file”:“/var/www/nextcloud/apps/mail/lib/BackgroundJob/IMipMessageJob.php”,“line”:29,“function”:“process”,“class”:“OCA\Mail\Service\IMipService”,“type”:“->”},{“file”:“/var/www/nextcloud/lib/public/BackgroundJob/Job.php”,“line”:61,“function”:“run”,“class”:“OCA\Mail\BackgroundJob\IMipMessageJob”,“type”:“->”},{“file”:“/var/www/nextcloud/lib/public/BackgroundJob/TimedJob.php”,“line”:97,“function”:“start”,“class”:“OCP\BackgroundJob\Job”,“type”:“->”},{“file”:“/var/www/nextcloud/lib/public/BackgroundJob/TimedJob.php”,“line”:84,“function”:“start”,“class”:“OCP\BackgroundJob\TimedJob”,“type”:“->”},{“file”:“/var/www/nextcloud/cron.php”,“line”:170,“function”:“execute”,“class”:“OCP\BackgroundJob\TimedJob”,“type”:“->”}],“File”:“/var/www/nextcloud/lib/private/Calendar/Manager.php”,“Line”:333,“message”:“Error while running background job OCA\Mail\BackgroundJob\IMipMessageJob (id: 295961, arguments: null)”,“exception”:,“CustomMessage”:“Error while running background job OCA\Mail\BackgroundJob\IMipMessageJob (id: 295961, arguments: null)”},“id”:“6832f6081626c”}
System:
System:
Kernel: 6.8.0-58-generic arch: x86_64 bits: 64 compiler: gcc v: 13.3.0 clocksource: tsc
Desktop: Cinnamon v: 6.4.8 tk: GTK v: 3.24.41 wm: Muffin v: 6.4.1 tools: cinnamon-screensaver
vt: 7 dm: LightDM v: 1.30.0 Distro: Linux Mint 22.1 Xia base: Ubuntu 24.04 noble
Machine:
Type: Desktop System: ASUS product: N/A v: N/A serial:
Mobo: ASUSTeK model: TUF GAMING B550-PLUS v: Rev X.0x serial: part-nu: SKU
uuid: UEFI: American Megatrends v: 3621 date: 01/13/2025
CPU:
Info: 6-core model: AMD Ryzen 5 5600G with Radeon Graphics bits: 64 type: MT MCP smt: enabled
arch: Zen 3 rev: 0 cache: L1: 384 KiB L2: 3 MiB L3: 16 MiB
Speed (MHz): avg: 3525 high: 4442 min/max: 400/4464 cores: 1: 4440 2: 3555 3: 3551 4: 3560
5: 3548 6: 4442 7: 4442 8: 3609 9: 3553 10: 3545 11: 400 12: 3665 bogomips: 93423
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
Device-1: AMD Cezanne [Radeon Vega Series / Radeon Mobile Series] vendor: ASUSTeK driver: amdgpu
v: kernel arch: GCN-5 pcie: speed: 8 GT/s lanes: 16 ports: active: DP-1 empty: HDMI-A-1
bus-ID: 08:00.0 chip-ID: 1002:1638 class-ID: 0300 temp: 33.0 C
Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X: loaded: amdgpu
unloaded: fbdev,modesetting,vesa dri: radeonsi gpu: amdgpu display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
Monitor-1: DP-1 mapped: DisplayPort-0 model: DP1080P60 res: 1920x1080 hz: 60 dpi: 102
size: 480x270mm (18.9x10.63") diag: 595mm (23.4") modes: max: 1920x1080 min: 640x480
API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi device: 1 drv: swrast
gbm: drv: kms_swrast surfaceless: drv: radeonsi x11: drv: radeonsi inactive: wayland
API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 24.2.8-1ubuntu1~24.04.1 glx-v: 1.4
direct-render: yes renderer: AMD Radeon Graphics (radeonsi renoir LLVM 19.1.1 DRM 3.57
6.8.0-58-generic) device-ID: 1002:1638
Audio:
Device-1: AMD Renoir Radeon High Definition Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel
pcie: speed: 8 GT/s lanes: 16 bus-ID: 08:00.1 chip-ID: 1002:1637 class-ID: 0403
Device-2: AMD Family 17h/19h HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel pcie:
speed: 8 GT/s lanes: 16 bus-ID: 08:00.6 chip-ID: 1022:15e3 class-ID: 0403
API: ALSA v: k6.8.0-58-generic status: kernel-api
Server-1: PipeWire v: 1.0.5 status: active with: 1: pipewire-pulse status: active
2: wireplumber status: active 3: pipewire-alsa type: plugin
Network:
Device-1: Realtek RTL8125 2.5GbE vendor: ASUSTeK driver: r8169 v: kernel pcie: speed: 5 GT/s
lanes: 1 port: f000 bus-ID: 06:00.0 chip-ID: 10ec:8125 class-ID: 0200
IF: enp6s0 state: up speed: 1000 Mbps duplex: full mac:
Drives:
Local Storage: total: 17.08 TiB used: 9.21 TiB (53.9%)
ID-1: /dev/nvme0n1 model: NX-1TB 2280 size: 953.87 GiB speed: 31.6 Gb/s lanes: 4 tech: SSD
serial: fw-rev: SN14320 temp: 30.9 C scheme: GPT
ID-2: /dev/nvme1n1 vendor: Samsung model: SSD 980 1TB size: 931.51 GiB speed: 31.6 Gb/s
lanes: 4 tech: SSD serial: fw-rev: 1B4QFXO7 temp: 35.9 C scheme: GPT
ID-3: /dev/sda vendor: Toshiba model: MK7575GSX size: 698.64 GiB speed: 3.0 Gb/s tech: HDD
rpm: 5400 serial: fw-rev: 1A scheme: MBR
ID-4: /dev/sdb vendor: Seagate model: ST8000DM004-2U9188 size: 7.28 TiB speed: 6.0 Gb/s
tech: HDD rpm: 5400 serial: fw-rev: 0001
ID-5: /dev/sdc vendor: Seagate model: ST4000VN008-2DR166 size: 3.64 TiB speed: 6.0 Gb/s
tech: HDD rpm: 5980 serial: fw-rev: SC60 scheme: GPT
ID-6: /dev/sdd vendor: Seagate model: ST4000VN008-2DR166 size: 3.64 TiB speed: 6.0 Gb/s
tech: HDD rpm: 5980 serial: fw-rev: SC60 scheme: GPT
Partition:
ID-1: / size: 914.88 GiB used: 466.99 GiB (51.0%) fs: ext4 dev: /dev/nvme1n1p2
ID-2: /boot/efi size: 974.1 MiB used: 6.1 MiB (0.6%) fs: vfat dev: /dev/nvme1n1p1
Swap:
ID-1: swap-1 type: file size: 2 GiB used: 570.2 MiB (27.8%) priority: -2 file: /swapfile
USB:
Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 10 rev: 2.0 speed: 480 Mb/s lanes: 1
chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 1-6:2 info: ASUSTek AURA LED Controller type: HID driver: hid-generic,usbhid
interfaces: 2 rev: 2.0 speed: 12 Mb/s lanes: 1 power: 16mA chip-ID: 0b05:1939 class-ID: 0300
serial:
Hub-2: 1-7:3 info: Genesys Logic Hub ports: 4 rev: 2.0 speed: 480 Mb/s lanes: 1 power: 100mA
chip-ID: 05e3:0608 class-ID: 0900
Hub-3: 2-0:1 info: super-speed hub ports: 4 rev: 3.1 speed: 10 Gb/s lanes: 1 chip-ID: 1d6b:0003
class-ID: 0900
Hub-4: 3-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0 speed: 480 Mb/s lanes: 1
chip-ID: 1d6b:0002 class-ID: 0900
Hub-5: 4-0:1 info: super-speed hub ports: 2 rev: 3.1 speed: 10 Gb/s lanes: 1 chip-ID: 1d6b:0003
class-ID: 0900
Hub-6: 5-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0 speed: 480 Mb/s lanes: 1
chip-ID: 1d6b:0002 class-ID: 0900
Hub-7: 6-0:1 info: super-speed hub ports: 2 rev: 3.1 speed: 10 Gb/s lanes: 1 chip-ID: 1d6b:0003
class-ID: 0900
Sensors:
System Temperatures: cpu: 41.8 C mobo: N/A gpu: amdgpu temp: 32.0 C
Fan Speeds (rpm): N/A
Repos:
Packages: pm: dpkg pkgs: 2995
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http: //packages.linuxmint.com xia main upstream import backport
2: deb http: //archive.ubuntu.com/ubuntu noble main restricted universe multiverse
3: deb http: //archive.ubuntu.com/ubuntu noble-updates main restricted universe multiverse
4: deb http: //archive.ubuntu.com/ubuntu noble-backports main restricted universe multiverse
5: deb http: //security.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse
Info:
Memory: total: 64 GiB note: est. available: 62.1 GiB used: 15.57 GiB (25.1%)
Processes: 428 Power: uptime: 35d 13h 26m states: freeze,mem,disk suspend: deep wakeups: 0
hibernate: platform Init: systemd v: 255 target: graphical (5) default: graphical
Compilers: gcc: 13.3.0 alt: 9/11/12 Client: Unknown python3.12 client inxi: 3.3.34
Nextcloud:
{“ocs”:{“meta”:{“status”:“ok”,“statuscode”:200,“message”:“OK”},“data”:{“nextcloud”:{“system”:{“version”:“31.0.5.1”,“theme”:“”,“enable_avatars”:“yes”,“enable_previews”:“yes”,“memcache.local”:“\OC\Memcache\APCu”,“memcache.distributed”:“\OC\Memcache\Redis”,“filelocking.enabled”:“yes”,“memcache.locking”:“\OC\Memcache\Redis”,“debug”:“no”,“freespace”:1179677839360,“cpuload”:[0.3583984375,0.5322265625,0.36962890625],“cpunum”:12,“mem_total”:65111040,“mem_free”:48721920,“swap_total”:2096128,“swap_free”:1512448},“storage”:{“num_users”:12,“num_files”:2962038,“num_storages”:18,“num_storages_local”:1,“num_storages_home”:14,“num_storages_other”:3,“size_appdata_storage”:200487354430,“num_files_appdata”:2468783},“shares”:{“num_shares”:26,“num_shares_user”:20,“num_shares_groups”:0,“num_shares_link”:6,“num_shares_mail”:0,“num_shares_room”:0,“num_shares_link_no_password”:5,“num_fed_shares_sent”:0,“num_fed_shares_received”:0,“permissions_0_1”:12,“permissions_3_17”:4,“permissions_0_31”:5,“permissions_0_23”:1,“permissions_0_17”:2,“permissions_3_21”:1,“permissions_3_31”:1}},“server”:{“webserver”:“Apache/2.4.58 (Ubuntu)”,“php”:{“version”:“8.3.6”,“memory_limit”:21474836480,“max_execution_time”:3600,“upload_max_filesize”:17179869184,“opcache_revalidate_freq”:60,“opcache”:{“opcache_enabled”:true,“cache_full”:false,“restart_pending”:false,“restart_in_progress”:false,“memory_usage”:{“used_memory”:437100552,“free_memory”:1106377520,“wasted_memory”:604005576,“current_wasted_percentage”:28.126201406121254},“interned_strings_usage”:{“buffer_size”:268435456,“used_memory”:78825256,“free_memory”:189610200,“number_of_strings”:178850},“opcache_statistics”:{“num_cached_scripts”:3768,“num_cached_keys”:6581,“max_cached_keys”:32531,“hits”:178801650,“start_time”:1747949692,“last_restart_time”:0,“oom_restarts”:0,“hash_restarts”:0,“manual_restarts”:0,“misses”:175386,“blacklist_misses”:0,“blacklist_miss_ratio”:0,“opcache_hit_rate”:99.90200642276812},“jit”:{“enabled”:true,“on”:true,“kind”:5,“opt_level”:5,“opt_flags”:6,“buffer_size”:16777200,“buffer_free”:15715312}},“apcu”:{“cache”:{“num_slots”:4099,“ttl”:7200,“num_hits”:14021318,“num_misses”:106318,“num_inserts”:120964,“num_entries”:733,“expunges”:0,“start_time”:1747949692,“mem_size”:687296,“memory_type”:“mmap”},“sma”:{“num_seg”:1,“seg_size”:134217608,“avail_mem”:133472192}},“extensions”:[“Core”,“date”,“libxml”,“openssl”,“pcre”,“zlib”,“filter”,“hash”,“json”,“random”,“Reflection”,“SPL”,“session”,“standard”,“sodium”,“cgi-fcgi”,“mysqlnd”,“PDO”,“xml”,“apcu”,“bcmath”,“bz2”,“calendar”,“ctype”,“curl”,“dom”,“mbstring”,“FFI”,“fileinfo”,“ftp”,“gd”,“gettext”,“gmp”,“iconv”,“igbinary”,“imagick”,“imap”,“intl”,“ldap”,“exif”,“mcrypt”,“msgpack”,“mysqli”,“pdo_mysql”,“Phar”,“posix”,“readline”,“redis”,“shmop”,“SimpleXML”,“sockets”,“sysvmsg”,“sysvsem”,“sysvshm”,“tokenizer”,“xmlreader”,“xmlwriter”,“xsl”,“zip”,“memcached”,“Zend OPcache”]},“database”:{“type”:“mysql”,“version”:“8.0.42”,“size”:“4791861248”}},“activeUsers”:{“last5minutes”:5,“last1hour”:5,“last24hours”:7,“last7days”:7,“last1month”:8,“last3months”:9,“last6months”:9,“lastyear”:9}}}}
PHP: