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renefi
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June 27, 2022 at 5:08 am
Hi,
I cannot download PDF Invoices anymore. I haven’t changed anything. Now it says “Netzwerkfehler” (german “network error”) when I download the PDF with chrome. Then I click under chrome downloads “continue” and it downloads the PDF just finde. In Safari it doesn’t work at all. Where can I start to research. I really dont know. Thank you
Rene
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Tony
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June 27, 2022 at 5:59 am
Hi Rene,
Where are you viewing the link for the PDF? Within the admin or front end?
If you go to Event Espresso -> Messages -> Default message templates.
View the templates listed here, can you see an ‘Invoice’ and ‘Receipt’ template listed? (Note there may be multiple pages of templates on that section)
I’ve just added a registration to your site under my name, can you send me the Invoice link for that registration so I can take a look?
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renefi
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June 27, 2022 at 6:14 am
Hi Tony,
>Where are you viewing the link for the PDF? Within the admin or front end?
Both don’t work
>If you go to Event Espresso -> Messages -> Default message templates.
View the templates listed here, can you see an ‘Invoice’ and ‘Receipt’ template listed?
Yes
I’ve just added a registration to your site under my name, can you send me the Invoice link for that registration so I can take a look?
https://www.kicollege.de/?ee=msg_url_trigger&snd_msgr=html&gen_msgr=html&message_type=invoice&context=purchaser&token=1-77e648b8fe5cf3fc978b9f8e0c6e4e73&GRP_ID=14&id=67776
Thank you
Rene
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Tony
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June 27, 2022 at 9:59 am
If you go to Dashboard -> Settings -> General
Do the WordPress Address (URL) and Site Address (URL) fields start with HTTP or HTTPS?
The request is unsure on the initial post and then if you retry it works, I suspect this is some kind of redirect on the server side.
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renefi
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June 27, 2022 at 10:08 am
it says https.
Nothing changed there.
Also the certificate is valid.
I can call the provider tomorrow, if they changed something.
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Tony
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June 27, 2022 at 10:17 am
We haven’t changed how the messaging system generates the PDF’s in a long time, it’s a post request to initiate the download which hasn’t changed since we introduced the messaging system.
However, I can send you a copy of the previous version of EE (v4.10.29p) which is the version I assume you’ve just updated from if you’d like to test that version again to confirm?
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renefi
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June 28, 2022 at 2:42 am
Yes that would be an option.
I just talked to the provider. They couldn’t really say much to the problem. He asked if 128 mB memory and 7,4 PHP is enough or if we need to upgrade?
They didn’t change anything. There was no update or anything in the last weeks.
So I guess I have to keep on searching.
Maybe good to install the former EE version. Just to be sure, that the problem isn’t on this side.
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Tony
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June 28, 2022 at 4:03 am
He asked if 128 mB memory and 7,4 PHP is enough or if we need to upgrade?
Yes, that should be fine.
EE currently doesn’t fully support PHP8, so PHP7.4 is the recommended version, 128MB of RAM should be fine although it does depend on the number of plugins you have and what those plugins are doing. Usually, if your site is running out of memory you should see memory exhausted errors in the logs, which I assume you are not getting?
They didn’t change anything. There was no update or anything in the last weeks.
I don’t know anything about your specific host so I’m not trying to bad-mouth them here, but we hear this very often and then it turns out to be some new security rule/plugin/module they’ve installed on the server which is blocking the request etc.
I’m not saying that is the case here, but it’s something we keep in mind when troubleshooting issues like this just as much as possible changes within our own code.
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Tony
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June 28, 2022 at 4:05 am
This reply has been marked as private.
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renefi
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June 30, 2022 at 4:54 am
This reply has been marked as private.
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Tony
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June 30, 2022 at 7:34 am
My apologies, I thought I hyperlinked the HERE text, but I guess not…
I’ve updated my previous reply to include the download link.
That error does indeed mean your site is running out of memory at times, are you getting a lot of those emails/errors?
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renefi
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July 1, 2022 at 4:05 am
Thank you,
no it is the first time I got alerted about memory size.
I replaced the pluginversion and it didn’t make a difference.
So for now:
the pluginversion is not the problem
the memory size is not the problem
no changes have been made on the server (I asked again)
no changes have been made at EE4
No wp or plugin updates have been made on my site
And the problem still exists.
If you have any other suggestion?
Otherwise I will have to give this to a professional service.
thank you
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Joao Victor
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July 5, 2022 at 3:27 pm
Hi there!
Thanks for getting back to me.
I would like to check your problem with our invoice system closer. Could you please share your website details through this URL https://eventespresso.com/send-login-details/?
Thanks!
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renefi
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July 5, 2022 at 4:14 pm
Hi Joao, thank you. I sent you the details. Let me know if you need anything else. Rene
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renefi
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July 8, 2022 at 2:38 pm
Hi Joao, any news so far? Thank you
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renefi
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July 11, 2022 at 3:46 am
Hi, please let me know if you can help. I had a developer take a look at the problem and he couldnt figure it out. I need a solution.
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Tony
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July 12, 2022 at 8:50 am
Hi,
I spent some time looking into this but unfortunately, I can’t give tell you why this is happening. I’m 99% certain it’s an issue server-side, I’m aware your host has stated nothing changed on their end but switching to v4.10.29.p and the fact that the above 2 versions are working fine for everyone else downloading PDFs points to a server issue.
I tried using Fiddler (which is basically a proxy used to capture the data sent from/to my browser and the server) to capture the PDF request, however, when I do that the PDF downloads fine:
https://monosnap.com/file/ycfAEBrflAsq0S6nSN0u6vQ2vxeFGE
The only difference between those requests is having Fiddler enabled/disabled.
My guess right now is an issue with the SSL/TLS handshake as Fiddler would be sitting in the middle of that, but I’m simply guessing as I can’t see anything from either side for this.
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