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Bug #21209

closed

failed to load all processes page, net::ERR_FAILED

Added by Peter Amstutz 8 months ago. Updated 7 months ago.

Status:
Closed
Priority:
Normal
Assigned To:
-
Category:
-
Target version:
-
Story points:
-

Description

We had reports of workbench occasionally failing to load content when under load. I recently saw a "failed to load process list" error and the browser console suggests that it is net::ERR_FAILED (which I am guessing is a TCP connection error?) instead of a HTTP error.

I'm wondering if either:

a) a connection that was thought to still be live with HTTP keepalive or HTTP/2 session actually wasn't, and that error pops up to the browser level
b) the number of sockets the load balancer can have open is much too low, or a CORS preflight check didn't go through

On further examination, it seems that net::ERR_FAILED is a generic error that can be caused by various reasons -- but it is still notable that it isn't a HTTP response.

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