Error 522 intermittently on all pages


I’m facing intermittent 522 errors with some resources and pages in my website since i upgraded my wordpress to 5.1

I have already contacted my origin server host provider and there’s no issue with their servers. Also, the Cloudflare IPs are whitelisted there.

Now I found out that only when I activate development mode on Cloudflare, my website loads everything with no errors. When Dev mode goes off the problems surface again.
Even purge cache does not solve the issues, only Dev Mode ON.

Does anyone have any clue of what I can do to solve these issues?


That’s the opposite of what I would expect. There should certainly be some trace of an attempt to reach your site. Those attempts would be logged into your provider’s web server logs or firewall logs.

You can also open a Support Ticket here and include the Ray ID from that 522 page. Maybe they can see how far the connection got.
Login to Cloudflare and then contact Cloudflare Support

Example of the error 522.

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