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n8n - 💡(How to fix) Fix Facing "Connection Lost" Issue on the latest n8n Version 2.17.8 selfhosted on Hostinger VPS KVM 4 [11 comments, 7 participants]

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n8n-io/n8n#29365•Fetched 2026-04-29 06:35:16
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Comments
11
Participants
7
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35
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2
Author
nubissystems-hussainnubissystems-hussain
Participants
artemis-mikeartemis-mikebrunoalbimbrunoalbimBuggyyBuggyydanaharrisondanaharrisonn8n-assistant[bot]n8n-assistant[bot]nubissystems-hussainnubissystems-hussainShireenMissiShireenMissi
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subscribed ×12commented ×11mentioned ×10closed ×1

Error Message

THE WORKFLOW DOESNT HAVE ANY ERROR, BUT I"M FACING THE CONNECTION LOST ISSUE ON ALL THE WORKFLOWS AND OVERALL n8n INTERFACE

  • error: all

Code Example

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.
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<!-- Please follow the template below. Skip the questions that are not relevant to you. -->

I have updated to the latest version of n8n on my Hostinger VPS using Docker Compose with n8n:latest as the command, everything in the update procedure is working, but when I login to n8n and start working on the workflows, it keeps on blinking Connection Lost on the Top Right Corner, it was FIXED when I downgraded to a previous version, which was the 2.16.1. PLEASE FIX THIS

Connection Lost

<img width="217" height="175" alt="Image" src="https://github.com/user-attachments/assets/f668c3d2-1bac-4eb9-978e-038db20c8504" />,

https://github.com/user-attachments/assets/125334ea-4ed2-425e-8325-0ae33d8629ae

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.

Share the output returned by the last node

<img width="964" height="389" alt="Image" src="https://github.com/user-attachments/assets/3d295c4b-a6c8-499f-82c3-9317de20cff0" />

THE WORKFLOW DOESNT HAVE ANY ERROR, BUT I"M FACING THE CONNECTION LOST ISSUE ON ALL THE WORKFLOWS AND OVERALL n8n INTERFACE

Debug info

core

  • n8nVersion: 2.17.8
  • platform: docker (self-hosted) on Hostinger
  • nodeJsVersion: 24.14.1
  • nodeEnv: production
  • database: sqlite
  • executionMode: regular
  • concurrency: -1
  • license: enterprise (production)

storage

  • success: all
  • error: all
  • progress: false
  • manual: true
  • binaryMode: filesystem

pruning

  • enabled: true
  • maxAge: 336 hours
  • maxCount: 10000 executions

client

  • userAgent: mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/147.0.0.0 safari/537.36
  • isTouchDevice: false

Generated at: 2026-04-28T07:23:07.325Z

extent analysis

TL;DR

Downgrade to n8n version 2.16.1 to resolve the "Connection Lost" issue.

Guidance

  • The issue seems to be version-specific, as downgrading to 2.16.1 resolved the problem.
  • Verify that the issue persists in the latest version (2.17.8) by checking the "Connection Lost" message on the top right corner of the n8n interface.
  • Try to reproduce the issue in a minimal workflow to isolate the cause.
  • Check the browser console for any errors or warnings that might be related to the "Connection Lost" issue.

Notes

The root cause of the issue is unclear, but it seems to be related to the latest version of n8n. Downgrading to a previous version may not be a permanent solution, and further investigation is needed to resolve the issue.

Recommendation

Apply workaround: Downgrade to n8n version 2.16.1, as it has been confirmed to resolve the "Connection Lost" issue.

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#api#ssr#memory leak#API versioning#request timeout

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