screen stuck on loading plugins and importing the configuration #1055

adelkto · 2025-04-23T14:37:28Z

adelkto
Apr 23, 2025

I installed NetAlertX on a virtual server running Debian 12. Everything worked fine. I had all my equipment installed except for a subnet. So, I modified the RUN_SCHD of some plugins, and then there was a power outage. Docker had to restart, and now NetAlertX is stuck on import config. Check plugin scrolls continuously, stops at 42/43, then restarts. I can't access the settings. It's stuck on loading. I'll send you the screenshots.

I tried following the various tutorials you've already published by editing app.conf, but that didn't solve my problem.

I have the following logs in app.log :

16:17:34 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.
16:17:34

16:17:34 Permissions check (All should be True)
16:17:34 ------------------------------------------------
16:17:34 /config/app.conf | READ | True
16:17:34 /config/app.conf | WRITE | True
16:17:34 /db/app.db | READ | True
16:17:34 /db/app.db | WRITE | True
16:17:34 ------------------------------------------------
16:17:34 [Setup] Attempting to fix permissions.
16:17:34 [Setup] Attempting to fix permissions.
16:17:34 [Database] Opening DB
16:17:34 [upgradeDB] Re-creating Settings table
16:17:34 [upgradeDB] Removing Pholus_Scan table
16:17:34 [upgradeDB] Re-creating Parameters table
16:17:34 [Config] reading config file
16:17:34 [Config] Plugins: Number of all plugins (including not loaded): 43
16:17:34 [Plugin utils] ---------------------------------------------
16:17:34 [Plugin utils] display_name: SNMP discovery
16:17:34 [Plugin utils] description: This plugin is used to discover devices via the arp table(s) of a RFC1213 compliant router or switch.
16:17:34 [Plugin utils] ---------------------------------------------
16:17:34 [Plugin utils] display_name: Arp-Scan (Network scan)
16:17:34 [Plugin utils] description: This plugin is to execute an arp-scan on the local network
16:17:34 [Plugin utils] ---------------------------------------------
16:17:34 [Plugin utils] display_name: AVAHISCAN (Name discovery)
16:17:34 [Plugin utils] description: A plugin to discover device names via mDNS.
16:17:34 [Plugin utils] ---------------------------------------------
16:17:34 [Plugin utils] display_name: Internet-Check
16:17:34 [Plugin utils] description: A plugin to check your internet connectivity and IP.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: NMAP Device discovery
16:17:35 [Plugin utils] description: This plugin is to execute an NMAP scan for device discovery on the local network
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Services & Ports (NMAP)
16:17:35 [Plugin utils] description: This plugin shows all services discovered by NMAP scans.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: NSLOOKUP (Name discovery)
16:17:35 [Plugin utils] description: A plugin to discover device names.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Email publisher (SMTP)
16:17:35 [Plugin utils] description: A plugin to publish a notification via Email (SMTP) gateway.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: CSV backup
16:17:35 [Plugin utils] description: A plugin to auto-generate devices.csv backups.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Custom properties
16:17:35 [Plugin utils] description: Settings related to the custom properties functionality on a device.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: DB cleanup
16:17:35 [Plugin utils] description: A plugin to schedule database cleanup & upkeep tasks.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Maintenance
16:17:35 [Plugin utils] description: A plugin for maintenance tasks.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: New Devices
16:17:35 [Plugin utils] description: The template used for new devices.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Notification Processing
16:17:35 [Plugin utils] description: A plugin to for advanced notification processing.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Set password
16:17:35 [Plugin utils] description: A simple plugin to set the web ui password on app start.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Sync Hub
16:17:35 [Plugin utils] description: Plugin to synchronize multiple NetAlertX instances.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: UI settings
16:17:35 [Plugin utils] description: Plugin to adjust UI settings.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Vendor update
16:17:35 [Plugin utils] description: A plugin to schedule vendor database updates for mac based vendor resolution.
16:17:35 [Plugin utils] ---------------------------------------------
16:17:35 [Plugin utils] display_name: Workflows
16:17:35 [Plugin utils] description: A plugin to adjust behavior of workflows.
16:17:35 [Config] ⛔ Unloading WEBMON
16:17:35 [Config] ⛔ Unloading INTRSPD
16:17:35 [Config] ⛔ Unloading DDNS
16:17:35 [Config] ⛔ Unloading WEBHOOK
16:17:35 [Config] ⛔ Unloading TELEGRAM
16:17:35 [Config] ⛔ Unloading PUSHSAFER
16:17:35 [Config] ⛔ Unloading PUSHOVER
16:17:35 [Config] ⛔ Unloading NTFY
16:17:35 [Config] ⛔ Unloading MQTT
16:17:35 [Config] ⛔ Unloading APPRISE
16:17:35 [Config] ⛔ Unloading ICMP
16:17:35 [Config] ⛔ Unloading NBTSCAN
16:17:35 [Config] ⛔ Unloading DHCPSRVS
16:17:35 [Config] ⛔ Unloading DHCPLSS
16:17:35 [Config] ⛔ Unloading PIHOLE
16:17:35 [Config] ⛔ Unloading UNFIMP
16:17:35 [Config] ⛔ Unloading MTSCAN
16:17:35 [Config] ⛔ Unloading LUCIRPC
16:17:35 [Config] ⛔ Unloading ASUSWRT
16:17:35 [Config] ⛔ Unloading WOL
16:17:35 [Config] ⛔ Unloading OMDSDNOPENAPI
16:17:35 [Config] ⛔ Unloading OMDSDN
16:17:35 [Config] ⛔ Unloading IPNEIGH
16:17:36 [MAIN] Setting up ...
16:17:36 [conf.tz] Setting up ...
16:17:36

16:17:36 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.

thank you

Answered by adelkto

Apr 24, 2025

I tried every modification to the config file from the command line without success. I finally resolved the problem by going to the netalertx interface, then maintenance, and importing the settings (pasting). Luckily, I had a backup of app.conf when it was working.

As soon as I did that, it was resolved. No more frozen screens or crashes when loading plugins.

I hope this answer can be useful to others, and I recommend exporting your config file just in case to avoid crashes.

Thank you for your assistance.

View full answer

jokob-sk · 2025-04-23T14:40:21Z

jokob-sk
Apr 23, 2025
Maintainer

Hí,

Sorry to hear that. Please provide logs from Portainer just before the restart. Alternatively, start the container without the - d parameter and provide the logs.

Thanks,
J

2 replies

adelkto Apr 23, 2025
Author

I followed the steps as described, namely LOG_LEVEL='trace'...etc..., I cannot download app.log to a notepad file. NetAlertX tells me that This page is not working, but here is what I have

jokob-sk Apr 23, 2025
Maintainer

Hi,
Regrettably that's not enough information for me to help you. I need an error that is only logged in the terminal or e. G. In Portainer just before the restart of the backend.

adelkto · 2025-04-24T07:25:27Z

adelkto
Apr 24, 2025
Author

Hello, thank you for your responsiveness and for the work you've done.
Here are the logs from the terminal:

adminkto@debian-Scan-reseau:~$ docker logs --tail 500 netalertx
Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/app/server/main.py", line 203, in
sys.exit(main())
^^^^^^
File "/app/server/main.py", line 93, in main
all_plugins, imported = importConfigs(db, all_plugins)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/server/initialise.py", line 361, in importConfigs
newSchedule = Cron(run_sch).schedule(start_date=datetime.datetime.now(conf.tz))
^^^^^^^^^^^^^
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 24, in init
self.from_string(cron_string)
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 60, in from_string
raise ValueError("Invalid cron string format")
ValueError: Invalid cron string format
09:24:32 [MAIN] Setting up ...
09:24:32 [conf.tz] Setting up ...
09:24:32

09:24:32 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.
09:24:32

09:24:32 Permissions check (All should be True)
09:24:32 ------------------------------------------------
09:24:32 /config/app.conf | READ | True
09:24:32 /config/app.conf | WRITE | True
09:24:32 /db/app.db | READ | True
09:24:32 /db/app.db | WRITE | True
09:24:32 ------------------------------------------------
09:24:32 [Setup] Attempting to fix permissions.
09:24:32 [Setup] Attempting to fix permissions.
09:24:32 [Database] Opening DB
09:24:32 [upgradeDB] Re-creating Settings table
09:24:32 [upgradeDB] Removing Pholus_Scan table
09:24:32 [upgradeDB] Re-creating Parameters table
09:24:32 [Config] reading config file
09:24:32 [Config] Plugins: Number of all plugins (including not loaded): 43
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: SNMP discovery
09:24:32 [Plugin utils] description: This plugin is used to discover devices via the arp table(s) of a RFC1213 compliant router or switch.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Arp-Scan (Network scan)
09:24:32 [Plugin utils] description: This plugin is to execute an arp-scan on the local network
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: AVAHISCAN (Name discovery)
09:24:32 [Plugin utils] description: A plugin to discover device names via mDNS.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Internet-Check
09:24:32 [Plugin utils] description: A plugin to check your internet connectivity and IP.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: NMAP Device discovery
09:24:32 [Plugin utils] description: This plugin is to execute an NMAP scan for device discovery on the local network
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Services & Ports (NMAP)
09:24:32 [Plugin utils] description: This plugin shows all services discovered by NMAP scans.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: NSLOOKUP (Name discovery)
09:24:32 [Plugin utils] description: A plugin to discover device names.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Email publisher (SMTP)
09:24:32 [Plugin utils] description: A plugin to publish a notification via Email (SMTP) gateway.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: CSV backup
09:24:32 [Plugin utils] description: A plugin to auto-generate devices.csv backups.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Custom properties
09:24:32 [Plugin utils] description: Settings related to the custom properties functionality on a device.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: DB cleanup
09:24:32 [Plugin utils] description: A plugin to schedule database cleanup & upkeep tasks.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Maintenance
09:24:32 [Plugin utils] description: A plugin for maintenance tasks.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: New Devices
09:24:32 [Plugin utils] description: The template used for new devices.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Notification Processing
09:24:32 [Plugin utils] description: A plugin to for advanced notification processing.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Set password
09:24:32 [Plugin utils] description: A simple plugin to set the web ui password on app start.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Sync Hub
09:24:32 [Plugin utils] description: Plugin to synchronize multiple NetAlertX instances.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: UI settings
09:24:32 [Plugin utils] description: Plugin to adjust UI settings.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Vendor update
09:24:32 [Plugin utils] description: A plugin to schedule vendor database updates for mac based vendor resolution.
09:24:32 [Plugin utils] ---------------------------------------------
09:24:32 [Plugin utils] display_name: Workflows
09:24:32 [Plugin utils] description: A plugin to adjust behavior of workflows.
09:24:32 [Config] ⛔ Unloading WEBMON
09:24:32 [Config] ⛔ Unloading INTRSPD
09:24:32 [Config] ⛔ Unloading DDNS
09:24:32 [Config] ⛔ Unloading WEBHOOK
09:24:32 [Config] ⛔ Unloading TELEGRAM
09:24:32 [Config] ⛔ Unloading PUSHSAFER
09:24:32 [Config] ⛔ Unloading PUSHOVER
09:24:32 [Config] ⛔ Unloading NTFY
09:24:32 [Config] ⛔ Unloading MQTT
09:24:32 [Config] ⛔ Unloading APPRISE
09:24:32 [Config] ⛔ Unloading ICMP
09:24:32 [Config] ⛔ Unloading NBTSCAN
09:24:32 [Config] ⛔ Unloading DHCPSRVS
09:24:32 [Config] ⛔ Unloading DHCPLSS
09:24:32 [Config] ⛔ Unloading PIHOLE
09:24:32 [Config] ⛔ Unloading UNFIMP
09:24:32 [Config] ⛔ Unloading MTSCAN
09:24:32 [Config] ⛔ Unloading LUCIRPC
09:24:32 [Config] ⛔ Unloading ASUSWRT
09:24:32 [Config] ⛔ Unloading WOL
09:24:32 [Config] ⛔ Unloading OMDSDNOPENAPI
09:24:32 [Config] ⛔ Unloading OMDSDN
09:24:32 [Config] ⛔ Unloading IPNEIGH
09:24:32 [Config] ⛔ Unloading FREEBOX
09:24:32 [Config] Number of Plugins to load: 19
09:24:32 [Config] Plugins to load: ['SNMPDSC', 'ARPSCAN', 'AVAHISCAN', 'INTRNT', 'NMAPDEV', 'NMAP', 'NSLOOKUP', 'SMTP', 'CSVBCKP', 'CUSTPROP', 'DBCLNP', 'MAINT', 'NEWDEV', 'NTFPRCS', 'SETPWD', 'SYNC', 'UI', 'VNDRPDT', 'WORKFLOWS']

        [INSTALL] 🚀 Starting app (:15000)

Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/app/server/main.py", line 203, in
sys.exit(main())
^^^^^^
File "/app/server/main.py", line 93, in main
all_plugins, imported = importConfigs(db, all_plugins)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/server/initialise.py", line 361, in importConfigs
newSchedule = Cron(run_sch).schedule(start_date=datetime.datetime.now(conf.tz))
^^^^^^^^^^^^^
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 24, in init
self.from_string(cron_string)
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 60, in from_string
raise ValueError("Invalid cron string format")
ValueError: Invalid cron string format
09:24:33 [MAIN] Setting up ...
09:24:33 [conf.tz] Setting up ...
09:24:33

09:24:33 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.
09:24:33

09:24:33 Permissions check (All should be True)
09:24:33 ------------------------------------------------
09:24:33 /config/app.conf | READ | True
09:24:33 /config/app.conf | WRITE | True
09:24:33 /db/app.db | READ | True
09:24:33 /db/app.db | WRITE | True
09:24:33 ------------------------------------------------
09:24:33 [Setup] Attempting to fix permissions.
09:24:33 [Setup] Attempting to fix permissions.
09:24:33 [Database] Opening DB
09:24:34 [upgradeDB] Re-creating Settings table
09:24:34 [upgradeDB] Removing Pholus_Scan table
09:24:34 [upgradeDB] Re-creating Parameters table
09:24:34 [Config] reading config file
09:24:34 [Config] Plugins: Number of all plugins (including not loaded): 43
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: SNMP discovery
09:24:34 [Plugin utils] description: This plugin is used to discover devices via the arp table(s) of a RFC1213 compliant router or switch.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Arp-Scan (Network scan)
09:24:34 [Plugin utils] description: This plugin is to execute an arp-scan on the local network
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: AVAHISCAN (Name discovery)
09:24:34 [Plugin utils] description: A plugin to discover device names via mDNS.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Internet-Check
09:24:34 [Plugin utils] description: A plugin to check your internet connectivity and IP.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: NMAP Device discovery
09:24:34 [Plugin utils] description: This plugin is to execute an NMAP scan for device discovery on the local network
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Services & Ports (NMAP)
09:24:34 [Plugin utils] description: This plugin shows all services discovered by NMAP scans.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: NSLOOKUP (Name discovery)
09:24:34 [Plugin utils] description: A plugin to discover device names.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Email publisher (SMTP)
09:24:34 [Plugin utils] description: A plugin to publish a notification via Email (SMTP) gateway.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: CSV backup
09:24:34 [Plugin utils] description: A plugin to auto-generate devices.csv backups.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Custom properties
09:24:34 [Plugin utils] description: Settings related to the custom properties functionality on a device.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: DB cleanup
09:24:34 [Plugin utils] description: A plugin to schedule database cleanup & upkeep tasks.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Maintenance
09:24:34 [Plugin utils] description: A plugin for maintenance tasks.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: New Devices
09:24:34 [Plugin utils] description: The template used for new devices.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Notification Processing
09:24:34 [Plugin utils] description: A plugin to for advanced notification processing.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Set password
09:24:34 [Plugin utils] description: A simple plugin to set the web ui password on app start.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Sync Hub
09:24:34 [Plugin utils] description: Plugin to synchronize multiple NetAlertX instances.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: UI settings
09:24:34 [Plugin utils] description: Plugin to adjust UI settings.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Vendor update
09:24:34 [Plugin utils] description: A plugin to schedule vendor database updates for mac based vendor resolution.
09:24:34 [Plugin utils] ---------------------------------------------
09:24:34 [Plugin utils] display_name: Workflows
09:24:34 [Plugin utils] description: A plugin to adjust behavior of workflows.
09:24:34 [Config] ⛔ Unloading WEBMON
09:24:34 [Config] ⛔ Unloading INTRSPD
09:24:34 [Config] ⛔ Unloading DDNS
09:24:34 [Config] ⛔ Unloading WEBHOOK
09:24:34 [Config] ⛔ Unloading TELEGRAM
09:24:34 [Config] ⛔ Unloading PUSHSAFER
09:24:34 [Config] ⛔ Unloading PUSHOVER
09:24:34 [Config] ⛔ Unloading NTFY
09:24:34 [Config] ⛔ Unloading MQTT
09:24:34 [Config] ⛔ Unloading APPRISE
09:24:34 [Config] ⛔ Unloading ICMP
09:24:34 [Config] ⛔ Unloading NBTSCAN
09:24:34 [Config] ⛔ Unloading DHCPSRVS
09:24:34 [Config] ⛔ Unloading DHCPLSS
09:24:34 [Config] ⛔ Unloading PIHOLE
09:24:34 [Config] ⛔ Unloading UNFIMP
09:24:34 [Config] ⛔ Unloading MTSCAN
09:24:34 [Config] ⛔ Unloading LUCIRPC
09:24:34 [Config] ⛔ Unloading ASUSWRT
09:24:34 [Config] ⛔ Unloading WOL
09:24:34 [Config] ⛔ Unloading OMDSDNOPENAPI
09:24:34 [Config] ⛔ Unloading OMDSDN
09:24:34 [Config] ⛔ Unloading IPNEIGH
09:24:34 [Config] ⛔ Unloading FREEBOX
09:24:34 [Config] Number of Plugins to load: 19
09:24:34 [Config] Plugins to load: ['SNMPDSC', 'ARPSCAN', 'AVAHISCAN', 'INTRNT', 'NMAPDEV', 'NMAP', 'NSLOOKUP', 'SMTP', 'CSVBCKP', 'CUSTPROP', 'DBCLNP', 'MAINT', 'NEWDEV', 'NTFPRCS', 'SETPWD', 'SYNC', 'UI', 'VNDRPDT', 'WORKFLOWS']

        [INSTALL] 🚀 Starting app (:15000)

Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/app/server/main.py", line 203, in
sys.exit(main())
^^^^^^
File "/app/server/main.py", line 93, in main
all_plugins, imported = importConfigs(db, all_plugins)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/server/initialise.py", line 361, in importConfigs
newSchedule = Cron(run_sch).schedule(start_date=datetime.datetime.now(conf.tz))
^^^^^^^^^^^^^
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 24, in init
self.from_string(cron_string)
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 60, in from_string
raise ValueError("Invalid cron string format")
ValueError: Invalid cron string format
09:24:35 [MAIN] Setting up ...
09:24:35 [conf.tz] Setting up ...
09:24:35

09:24:35 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.
09:24:35

09:24:35 Permissions check (All should be True)
09:24:35 ------------------------------------------------
09:24:35 /config/app.conf | READ | True
09:24:35 /config/app.conf | WRITE | True
09:24:35 /db/app.db | READ | True
09:24:35 /db/app.db | WRITE | True
09:24:35 ------------------------------------------------
09:24:35 [Setup] Attempting to fix permissions.
09:24:35 [Setup] Attempting to fix permissions.
09:24:35 [Database] Opening DB
09:24:35 [upgradeDB] Re-creating Settings table
09:24:35 [upgradeDB] Removing Pholus_Scan table
09:24:35 [upgradeDB] Re-creating Parameters table
09:24:35 [Config] reading config file
09:24:35 [Config] Plugins: Number of all plugins (including not loaded): 43
09:24:35 [Plugin utils] ---------------------------------------------
09:24:35 [Plugin utils] display_name: SNMP discovery
09:24:35 [Plugin utils] description: This plugin is used to discover devices via the arp table(s) of a RFC1213 compliant router or switch.
09:24:35 [Plugin utils] ---------------------------------------------
09:24:35 [Plugin utils] display_name: Arp-Scan (Network scan)
09:24:35 [Plugin utils] description: This plugin is to execute an arp-scan on the local network
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: AVAHISCAN (Name discovery)
09:24:36 [Plugin utils] description: A plugin to discover device names via mDNS.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Internet-Check
09:24:36 [Plugin utils] description: A plugin to check your internet connectivity and IP.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: NMAP Device discovery
09:24:36 [Plugin utils] description: This plugin is to execute an NMAP scan for device discovery on the local network
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Services & Ports (NMAP)
09:24:36 [Plugin utils] description: This plugin shows all services discovered by NMAP scans.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: NSLOOKUP (Name discovery)
09:24:36 [Plugin utils] description: A plugin to discover device names.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Email publisher (SMTP)
09:24:36 [Plugin utils] description: A plugin to publish a notification via Email (SMTP) gateway.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: CSV backup
09:24:36 [Plugin utils] description: A plugin to auto-generate devices.csv backups.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Custom properties
09:24:36 [Plugin utils] description: Settings related to the custom properties functionality on a device.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: DB cleanup
09:24:36 [Plugin utils] description: A plugin to schedule database cleanup & upkeep tasks.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Maintenance
09:24:36 [Plugin utils] description: A plugin for maintenance tasks.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: New Devices
09:24:36 [Plugin utils] description: The template used for new devices.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Notification Processing
09:24:36 [Plugin utils] description: A plugin to for advanced notification processing.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Set password
09:24:36 [Plugin utils] description: A simple plugin to set the web ui password on app start.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Sync Hub
09:24:36 [Plugin utils] description: Plugin to synchronize multiple NetAlertX instances.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: UI settings
09:24:36 [Plugin utils] description: Plugin to adjust UI settings.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Vendor update
09:24:36 [Plugin utils] description: A plugin to schedule vendor database updates for mac based vendor resolution.
09:24:36 [Plugin utils] ---------------------------------------------
09:24:36 [Plugin utils] display_name: Workflows
09:24:36 [Plugin utils] description: A plugin to adjust behavior of workflows.
09:24:36 [Config] ⛔ Unloading WEBMON
09:24:36 [Config] ⛔ Unloading INTRSPD
09:24:36 [Config] ⛔ Unloading DDNS
09:24:36 [Config] ⛔ Unloading WEBHOOK
09:24:36 [Config] ⛔ Unloading TELEGRAM
09:24:36 [Config] ⛔ Unloading PUSHSAFER
09:24:36 [Config] ⛔ Unloading PUSHOVER
09:24:36 [Config] ⛔ Unloading NTFY
09:24:36 [Config] ⛔ Unloading MQTT
09:24:36 [Config] ⛔ Unloading APPRISE
09:24:36 [Config] ⛔ Unloading ICMP
09:24:36 [Config] ⛔ Unloading NBTSCAN
09:24:36 [Config] ⛔ Unloading DHCPSRVS
09:24:36 [Config] ⛔ Unloading DHCPLSS
09:24:36 [Config] ⛔ Unloading PIHOLE
09:24:36 [Config] ⛔ Unloading UNFIMP
09:24:36 [Config] ⛔ Unloading MTSCAN
09:24:36 [Config] ⛔ Unloading LUCIRPC
09:24:36 [Config] ⛔ Unloading ASUSWRT
09:24:36 [Config] ⛔ Unloading WOL
09:24:36 [Config] ⛔ Unloading OMDSDNOPENAPI
09:24:36 [Config] ⛔ Unloading OMDSDN
09:24:36 [Config] ⛔ Unloading IPNEIGH
09:24:36 [Config] ⛔ Unloading FREEBOX
09:24:36 [Config] Number of Plugins to load: 19
09:24:36 [Config] Plugins to load: ['SNMPDSC', 'ARPSCAN', 'AVAHISCAN', 'INTRNT', 'NMAPDEV', 'NMAP', 'NSLOOKUP', 'SMTP', 'CSVBCKP', 'CUSTPROP', 'DBCLNP', 'MAINT', 'NEWDEV', 'NTFPRCS', 'SETPWD', 'SYNC', 'UI', 'VNDRPDT', 'WORKFLOWS']

        [INSTALL] 🚀 Starting app (:15000)

Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/app/server/main.py", line 203, in
sys.exit(main())
^^^^^^
File "/app/server/main.py", line 93, in main
all_plugins, imported = importConfigs(db, all_plugins)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/server/initialise.py", line 361, in importConfigs
newSchedule = Cron(run_sch).schedule(start_date=datetime.datetime.now(conf.tz))
^^^^^^^^^^^^^
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 24, in init
self.from_string(cron_string)
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 60, in from_string
raise ValueError("Invalid cron string format")
ValueError: Invalid cron string format
09:24:37 [MAIN] Setting up ...
09:24:37 [conf.tz] Setting up ...
09:24:37

09:24:37 The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.
09:24:37

09:24:37 Permissions check (All should be True)
09:24:37 ------------------------------------------------
09:24:37 /config/app.conf | READ | True
09:24:37 /config/app.conf | WRITE | True
09:24:37 /db/app.db | READ | True
09:24:37 /db/app.db | WRITE | True
09:24:37 ------------------------------------------------
09:24:37 [Setup] Attempting to fix permissions.
09:24:37 [Setup] Attempting to fix permissions.
09:24:37 [Database] Opening DB
09:24:37 [upgradeDB] Re-creating Settings table
09:24:37 [upgradeDB] Removing Pholus_Scan table
09:24:37 [upgradeDB] Re-creating Parameters table
09:24:37 [Config] reading config file
09:24:37 [Config] Plugins: Number of all plugins (including not loaded): 43
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: SNMP discovery
09:24:37 [Plugin utils] description: This plugin is used to discover devices via the arp table(s) of a RFC1213 compliant router or switch.
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: Arp-Scan (Network scan)
09:24:37 [Plugin utils] description: This plugin is to execute an arp-scan on the local network
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: AVAHISCAN (Name discovery)
09:24:37 [Plugin utils] description: A plugin to discover device names via mDNS.
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: Internet-Check
09:24:37 [Plugin utils] description: A plugin to check your internet connectivity and IP.
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: NMAP Device discovery
09:24:37 [Plugin utils] description: This plugin is to execute an NMAP scan for device discovery on the local network
09:24:37 [Plugin utils] ---------------------------------------------
09:24:37 [Plugin utils] display_name: Services & Ports (NMAP)
09:24:37 [Plugin utils] description: This plugin shows all services discovered by NMAP scans.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: NSLOOKUP (Name discovery)
09:24:38 [Plugin utils] description: A plugin to discover device names.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Email publisher (SMTP)
09:24:38 [Plugin utils] description: A plugin to publish a notification via Email (SMTP) gateway.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: CSV backup
09:24:38 [Plugin utils] description: A plugin to auto-generate devices.csv backups.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Custom properties
09:24:38 [Plugin utils] description: Settings related to the custom properties functionality on a device.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: DB cleanup
09:24:38 [Plugin utils] description: A plugin to schedule database cleanup & upkeep tasks.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Maintenance
09:24:38 [Plugin utils] description: A plugin for maintenance tasks.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: New Devices
09:24:38 [Plugin utils] description: The template used for new devices.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Notification Processing
09:24:38 [Plugin utils] description: A plugin to for advanced notification processing.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Set password
09:24:38 [Plugin utils] description: A simple plugin to set the web ui password on app start.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Sync Hub
09:24:38 [Plugin utils] description: Plugin to synchronize multiple NetAlertX instances.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: UI settings
09:24:38 [Plugin utils] description: Plugin to adjust UI settings.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Vendor update
09:24:38 [Plugin utils] description: A plugin to schedule vendor database updates for mac based vendor resolution.
09:24:38 [Plugin utils] ---------------------------------------------
09:24:38 [Plugin utils] display_name: Workflows
09:24:38 [Plugin utils] description: A plugin to adjust behavior of workflows.
09:24:38 [Config] ⛔ Unloading WEBMON
09:24:38 [Config] ⛔ Unloading INTRSPD
09:24:38 [Config] ⛔ Unloading DDNS
09:24:38 [Config] ⛔ Unloading WEBHOOK
09:24:38 [Config] ⛔ Unloading TELEGRAM
09:24:38 [Config] ⛔ Unloading PUSHSAFER
09:24:38 [Config] ⛔ Unloading PUSHOVER
09:24:38 [Config] ⛔ Unloading NTFY
09:24:38 [Config] ⛔ Unloading MQTT
09:24:38 [Config] ⛔ Unloading APPRISE
09:24:38 [Config] ⛔ Unloading ICMP
09:24:38 [Config] ⛔ Unloading NBTSCAN
09:24:38 [Config] ⛔ Unloading DHCPSRVS
09:24:38 [Config] ⛔ Unloading DHCPLSS
09:24:38 [Config] ⛔ Unloading PIHOLE
09:24:38 [Config] ⛔ Unloading UNFIMP
09:24:38 [Config] ⛔ Unloading MTSCAN
09:24:38 [Config] ⛔ Unloading LUCIRPC
09:24:38 [Config] ⛔ Unloading ASUSWRT
09:24:38 [Config] ⛔ Unloading WOL
09:24:38 [Config] ⛔ Unloading OMDSDNOPENAPI
09:24:38 [Config] ⛔ Unloading OMDSDN
09:24:38 [Config] ⛔ Unloading IPNEIGH
09:24:38 [Config] ⛔ Unloading FREEBOX
09:24:38 [Config] Number of Plugins to load: 19
09:24:38 [Config] Plugins to load: ['SNMPDSC', 'ARPSCAN', 'AVAHISCAN', 'INTRNT', 'NMAPDEV', 'NMAP', 'NSLOOKUP', 'SMTP', 'CSVBCKP', 'CUSTPROP', 'DBCLNP', 'MAINT', 'NEWDEV', 'NTFPRCS', 'SETPWD', 'SYNC', 'UI', 'VNDRPDT', 'WORKFLOWS']

3 replies

jokob-sk Apr 24, 2025
Maintainer

Thanks for the details. One of your cron schedules is in an invalid format. Please double check all your schedules:

Invalid cron string format

adelkto Apr 24, 2025
Author

Indeed, the format of several schedules was wrong, so I rechecked everything and everything is now in the following format: ARPSCAN_RUN_SCHD='*/30 * * * *'
but it still doesn't work, can you tell me which plugins are not necessary for operation so that I can deactivate them so that netalertx starts and I can access the parameters and gradually put back what I need

The second question is the following logs, when they mention the lines, do they correspond to the lines I have in my app.conf file? In which case, could this help me pinpoint the exact errors:

Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/app/server/main.py", line 203, in
sys.exit(main())
^^^^^^
File "/app/server/main.py", line 93, in main
all_plugins, imported = importConfigs(db, all_plugins)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/server/initialise.py", line 361, in importConfigs
newSchedule = Cron(run_sch).schedule(start_date=datetime.datetime.now(conf.tz))
^^^^^^^^^^^^^
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 24, in init
self.from_string(cron_string)
File "/opt/venv/lib/python3.12/site-packages/cron_converter/cron.py", line 60, in from_string
raise ValueError("Invalid cron string format")
ValueError: Invalid cron string format

jokob-sk Apr 24, 2025
Maintainer

The error is the same so you probably missed a schedule. If you edit the settings in the UI it will show an x if it is invalid.

See plugin descriptions here https://jokob-sk.github.io/NetAlertX/PLUGINS/?h=plugins

adelkto · 2025-04-24T12:56:18Z

adelkto
Apr 24, 2025
Author

I tried every modification to the config file from the command line without success. I finally resolved the problem by going to the netalertx interface, then maintenance, and importing the settings (pasting). Luckily, I had a backup of app.conf when it was working.

As soon as I did that, it was resolved. No more frozen screens or crashes when loading plugins.

I hope this answer can be useful to others, and I recommend exporting your config file just in case to avoid crashes.

Thank you for your assistance.

1 reply

jokob-sk Apr 24, 2025
Maintainer

Glad it's resolved

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