502 Bad Gateway

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joticakr
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Joined: Sat Apr 17, 2021 4:58 pm

502 Bad Gateway

Post by joticakr » Tue Oct 11, 2022 5:47 am

Hello all,

I have two Flatpress webpages each behind an nginx reverse proxy with completely identical settings.
One webpage started giving me "502 Bad Gateway" if I try to edit or create a blog entry. After I empty the theme and template cahce, it works one time, then again the 502 appears. Did someone have an idea what moght be wrong and where I can look for failure?

Best regards and many thanks in advance,
Johannes

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Arvid
FlatPress Coder
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Re: 502 Bad Gateway

Post by Arvid » Tue Oct 11, 2022 1:35 pm

Johannes,

this is odd indeed. Do you have the PrettyURLs plugin enabled? Maybe it creates an .htaccess related glitch - does it help to deactivate it?

All the best,
Arvid

joticakr
Posts: 18
Joined: Sat Apr 17, 2021 4:58 pm

Re: 502 Bad Gateway

Post by joticakr » Wed Oct 12, 2022 6:01 am

Hi Arvid,

I disabled the plugin, but the behaviour stayed the same. :(

BR, Johannes

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Arvid
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Re: 502 Bad Gateway

Post by Arvid » Sat Oct 22, 2022 10:28 am

joticakr wrote: ↑Tue Oct 11, 2022 5:47 amAfter I empty the theme and template cahce, it works one time, then again the 502 appears.
This is what irritates me completely :?

Can you reproduce this behaviour with a fresh FlatPress install on that server?

joticakr
Posts: 18
Joined: Sat Apr 17, 2021 4:58 pm

Re: 502 Bad Gateway

Post by joticakr » Tue Dec 13, 2022 12:58 pm

Hi Arvid,

sorry for my late response. I setup a fresh install and it works like a charm. After I copied the fp-content folder into it (I finished the first setup with the same user and password as the old one), the same error occured again. Now I have to delete the cache folder in fp-content every time I want to go to the maintanance, plugin or uploader page.

BR, Johannes

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Arvid
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Re: 502 Bad Gateway

Post by Arvid » Tue Dec 13, 2022 7:36 pm

So something inside the fp-content folder causes the error. Might be data of a plugin, e.g. the Comment Center plugin stores its data there (fp-content/plugin_commentcenter/).
Please have a look for plugin related folders in there, maybe deactivating such a plugin or deleting/resetting its data solves the problem permanently.

Alternative idea: What about the themes? Maybe your theme has some kind of template error that causes broken cache data. Does the problem occur with the default theme Leggero?

Let us know :)
All the best
Arvid

joticakr
Posts: 18
Joined: Sat Apr 17, 2021 4:58 pm

Re: 502 Bad Gateway

Post by joticakr » Mon Jan 09, 2023 6:09 am

Hey Arvid,

I wish you a happy new year!
I don't know why and I don't know how, but the problem solved itself. No change made from my side and now it's working again.

BR, Johannes

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Arvid
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Re: 502 Bad Gateway

Post by Arvid » Sat Jan 21, 2023 1:33 pm

Well then ... \_(o_O)_/

Glad it works now :D
Thanks for letting us know!

All the best,
Arvid

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