Confluence throws "The editor didn't load this time" error when trying to edit a page
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Problem
When trying to edit a page in Confluence, you see the following error:
The editor didn't load this time
The connection timed out. If it happens again, speak to your Confluence admin. You may be using a proxy server that prevents WebSocket connections.
Diagnosis
Environment
You may encounter the error if you're using either:
A proxy server that doesn't allow WebSocket connections
A firewall that doesn't allow WebSocket connections
Confluence Cloud with an older, Supported browsers, which doesn't support WebSocket connections
Confluence Server with an older, Supported Platforms, which doesn't support WebSocket connections
Diagnostic Steps
Test WebSocket connections by using https://websocketstest.com/ to perform a quick HTML5 WebSocket test against an echo server.
If possible, connect to a different network that doesn't use a proxy server
Cause
Collaborative editing in Confluence requires a WebSocket connection. If one can't be established due to a timeout, or a proxy server or firewall that doesn't allow WebSocket connections, the editor will fail to load.
Solution
Resolution
As collaborative editing requires a WebSocket connection, the possible resolutions are:
Use Confluence Cloud with a Supported browsers
Use Confluence Server with a Supported Platforms
Configure your proxy server to allow WebSocket connections
Configure your firewall to allow WebSocket connections
Remove the proxy server from your network configuration
For Confluence Server – Administering Collaborative Editing
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