[Bug]: Webhooks not working

[muzzah]

Where is the problem occurring?

I encountered the problem while using the application (Frontend)

What browsers are you seeing the problem on?

Chrome

Current behavior

Using 2.0 rc4 (Docker installation), Ive setup a webhook in slack and added the webhook url in two formats into the notifications tab (according to apprise documentation).
When I press the test button nothing happens. When I add/remove/move/update cards on my board, nothing happens.

Am I missing something? Ive verified the webhook works via curl. Also no error logs are being output in the docker logs.

Desired behavior

A notification should be sent to slack.

Steps to reproduce

• Enable webhook app in slack settings.
• Add the url directly into the UI for the user notification settings
• Click the test notification button or update the board

Other information

Also, I cant see the settings for setting up webhooks for a whole board. Only for the user?

[muzzah]

Only log output I get after mounting the log directory is

➜  /opt tail -f data/planka/logs/planka.log 
2025-11-17 11:30:04 [I] Initializing custom hook (`current-user`)
2025-11-17 11:30:04 [I] Initializing custom hook (`file-manager`)
2025-11-17 11:30:04 [I] Initializing custom hook (`query-methods`)
2025-11-17 11:30:04 [I] Initializing custom hook (`watcher`)

[meltyshev]

Hi! Thanks for reporting this. I think there's an error when sending notifications via Apprise, but we don't have logging there yet. I will try to add it.

Also, I cant see the settings for setting up webhooks for a whole board. Only for the user?

It's used to report all actions that occur on the board, for example to send them to a channel.

[muzzah]

Ok thanks, so to confirm there is a bug but you guys are working on it? Or need logging to get to the root cause?

[meltyshev]

Hi! Just added logging for sending notifications via Apprise. You can try spinning up a temporary nightly version to see what happens when sending to Slack (by adding a demo user, setting the same URL there, and checking the logs).

[muzzah]

planka  | 2025-12-09 12:14:02 [E] Error sending notifications: A Connection error occurred posting to Slack.
planka  | 2025-12-09 12:14:10 [E] Error sending notifications: A Connection error occurred posting to Slack.

Getting the error output so not very helpful. Also, emails are not working either with the following in my docker compose.

      - SMTP_HOST=smtp.gmail.com
      - SMTP_PORT=465
      - SMTP_SECURE=true
      - SMTP_USER=username@gmail.com
      - SMTP_PASSWORD="app password]"
      - SMTP_FROM="Kanboard Notification" username@gmail.com
      - SMTP_NAME=gmail.com

[muzzah]

If I add the webhook to through the admin page I get the following error

planka  | 2025-12-09 12:29:22 [E] Webhook Slack failed with error: TypeError: fetch failed

[meltyshev]

planka  | 2025-12-09 12:14:02 [E] Error sending notifications: A Connection error occurred posting to Slack.
planka  | 2025-12-09 12:14:10 [E] Error sending notifications: A Connection error occurred posting to Slack.

Getting the error output so not very helpful. Also, emails are not working either with the following in my docker compose.

      - SMTP_HOST=smtp.gmail.com
      - SMTP_PORT=465
      - SMTP_SECURE=true
      - SMTP_USER=username@gmail.com
      - SMTP_PASSWORD="app password]"
      - SMTP_FROM="Kanboard Notification" username@gmail.com
      - SMTP_NAME=gmail.com

It looks like the Slack server isn't reachable from your container. You can verify this by connecting to the container and running:

apk add curl && curl -X POST https://slack.com/api/api.test

[muzzah]

Seems you were right. Thanks! I had some dns issues and resolved them and slack notifications are working now. However email still seems to be an issue

[muzzah]

Actually @meltyshev Im now seeing the following error on planka

planka  | 2025-12-11 08:20:39 [E] Webhook Slack failed with status 400 and message: no_text