How to get test form submission link

Questions
1

Describe the problem/error/question

I start a n8n docker container with the below command on my local server:
docker run -d
–name n8n
–restart unless-stopped
-u root
-p 5678:5678
-e N8N_SECURE_COOKIE=false
-e N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true
-e N8N_RUNNERS_ENABLED=true
-v n8n_data:/home/node/.n8n
-v /home/abieskawa/output:/files
docker.n8n.io/n8nio/n8n:1.98.0

when i try to test with form submission, i cannot get any pop-up window.

Screenshot 2025-06-16 at 11.34.39
Screenshot 2025-06-16 at 11.34.391775×903 60.1 KB

What is the error message (if any)? NO

Please share your workflow

Share the output returned by the last node

Information on your n8n setup

  • n8n version: 1.98.0
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):
  • Operating system:
2

Allow pop-ups
Check if your browser blocks pop-ups. Many modern browsers block new tabs by default. Make sure you allow pop-ups for the address http://localhost:5678 or your server’s domain. You can test this in incognito mode or from another browser.

Redirect or incorrect port
Make sure you’re accessing http://localhost:5678 (or the correct domain if you’re on a local network). If you’re behind a proxy, make sure you’re correctly forwarding port 5678.

Misconfigured or incomplete node
Check the node’s Settings tab to make sure: The POST method is selected. It has a generated test URL. You’re clicking “Test Request” and not simply running the flow.

1 Like
3

I found that I have to copy the given URL in the interactive window, so that the browser knows what requires to be opened.