504 after survey submission with participants/tokens table

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2 months 1 week ago #173369 by QuoTil
QuoTil created the topic: 504 after survey submission with participants/tokens table
Hi folx,

We're experiencing a major issue after the update to 3.14:

If it is a closed survey with participants/ tokens the submission of the survey ends with a 504. The user never reaches the "Completed View". This LS-behavior is not seen when the survey is open to everybody (without participants table).

Immediate help is needed.

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2 months 1 week ago #173388 by DenisChenu
DenisChenu replied the topic: 504 after survey submission with participants/tokens table
504 : Gateway Time-out

Check your webserver log, can be different things …

Try to activate debug mode, and try with a little survey.

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2 months 1 week ago - 2 months 1 week ago #173392 by QuoTil
QuoTil replied the topic: 504 after survey submission with participants/tokens table
2018/09/03 15:32:29 [error] 19940#19940: *4751 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.1.0.27, server: domain, request: "GET /index.php?r=admin/survey/sa/getAjaxMenuArray&surveyid=522165&YII_CSRF_TOKEN=YWFBOWZxUU9NWjdWMFFaTE41azY5eDRmY0FKTE9nNUiwiO1Q6P-cAP8onXWStshcU4Aoem1d58mtI2NP0EG7tA%3D%3D&position=collapsed HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php7.0-fpm.sock", host: "myDomain", referrer: "https://myDomain/index.php?r=admin/tokens/sa/browse/surveyid/522165"

Any idea?
Last Edit: 2 months 1 week ago by QuoTil.

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2 months 1 week ago #173401 by jelo
jelo replied the topic: 504 after survey submission with participants/tokens table

QuoTil wrote: We're experiencing a major issue after the update to 3.14:

1. Which version was used before the update to 3.14?
2. Nginx error. Can you post nginx.conf and tell us a bit about your setup. You can click on the version number at the bottom of your LimeSurvey installation to get systeminfos.

Are you a student conducting a survey? If yes, tell me why you use LimeSurvey?
www.limesurvey.org/forum/development/116...y-you-use-limesurvey

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2 months 1 week ago #173416 by QuoTil
QuoTil replied the topic: 504 after survey submission with participants/tokens table
My apologies.

DevOps did cut off the email configuration (server/firewall-side). It seems that this blocked the completion of the survey. As much as I could see the debug mode did not report this as an error - which would be nice. Also maybe it would be an option to let LS complete a tokenized survey even if the email configuration fails.

Anyway. Sorry again and thank you for your great work.

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2 months 1 week ago #173417 by jelo
jelo replied the topic: 504 after survey submission with participants/tokens table

QuoTil wrote: Also maybe it would be an option to let LS complete a tokenized survey even if the email configuration fails.

That might be the case. I guess you wanted to get an email after each completed survey sent to you? To me this looks like a timing issue. The email couldn't be sent and is causing a delay (still room for improvement for LS devs). The NGINX timeout is lower than the delay caused by LimeSurvey handling the email error.

Are you a student conducting a survey? If yes, tell me why you use LimeSurvey?
www.limesurvey.org/forum/development/116...y-you-use-limesurvey
The following user(s) said Thank You: QuoTil

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2 months 1 week ago #173420 by QuoTil
QuoTil replied the topic: 504 after survey submission with participants/tokens table

I guess you wanted to get an email after each completed survey sent to you?

Yes indeed.

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2 months 1 week ago #173428 by DenisChenu
DenisChenu replied the topic: 504 after survey submission with participants/tokens table

jelo wrote: (still room for improvement for LS devs).

No, because it can be easily fixed with a good mail server.
You can use your own server as a relay, mail is send by your server but it take really less time to send via PHP

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2 months 1 week ago #173453 by jelo
jelo replied the topic: 504 after survey submission with participants/tokens table

DenisChenu wrote:

jelo wrote: (still room for improvement for LS devs).

No, because it can be easily fixed with a good mail server.
You can use your own server as a relay, mail is send by your server but it take really less time to send via PHP

No room for improvement, really? The error handling, when a survey is submitted and an email is triggered for the admin, might not slow down the submitting itself.

Are you a student conducting a survey? If yes, tell me why you use LimeSurvey?
www.limesurvey.org/forum/development/116...y-you-use-limesurvey

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2 months 1 week ago #173460 by holch
holch replied the topic: 504 after survey submission with participants/tokens table

No room for improvement, really? The error handling, when a survey is submitted and an email is triggered for the admin, might not slow down the submitting itself.


It might, but it shouldn't. ;-)

I'm not a LimeSurvey GmbH member. I answer at the LimeSurvey forum in my spare time. No support via private message.
Some helpful links: Manual (EN) | Question Types | Workarounds

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2 months 1 week ago #173465 by jelo
jelo replied the topic: 504 after survey submission with participants/tokens table

holch wrote: It might, but it shouldn't. ;-)

This comes from trying to be more polite ;-)


When a mail cannot be sent, the submitprocess should continue. Without having a task queue a bit difficult to implement. Experience of survey respondent is more import than a missing email for the LS user.

Are you a student conducting a survey? If yes, tell me why you use LimeSurvey?
www.limesurvey.org/forum/development/116...y-you-use-limesurvey

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2 months 1 week ago #173466 by holch
holch replied the topic: 504 after survey submission with participants/tokens table

Experience of survey respondent is more import than a missing email for the LS user.


Agreed.

I'm not a LimeSurvey GmbH member. I answer at the LimeSurvey forum in my spare time. No support via private message.
Some helpful links: Manual (EN) | Question Types | Workarounds

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2 months 1 week ago #173480 by DenisChenu
DenisChenu replied the topic: 504 after survey submission with participants/tokens table

holch wrote:

Experience of survey respondent is more import than a missing email for the LS user.


Agreed.

Sorry it's only an opinion … :)

Since such email can be an alert for a broken survey (bad submit email alert) : if user think is survey is saved : it MUST be saved. It's really more important .

Data is the most important :)

Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand (or search sondages pro).
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2 months 1 week ago #173488 by jelo
jelo replied the topic: 504 after survey submission with participants/tokens table

DenisChenu wrote:

holch wrote: if user think is survey is saved : it MUST be saved. It's really more important .

If the threadstarter described the situation correct, than LimeSurvey is hanging on to send an email to an mailserver, which is not available. The timeout (might be solved via a little NGINX tweak here) then prevents that the respondent can complete the survey.

You're saying: It is more important that LimeSurvey tries to send the email instead of letting the respondent completing the survey.

The Data that someone completed the survey is lost. A redirection is lost.


Are you a student conducting a survey? If yes, tell me why you use LimeSurvey?
www.limesurvey.org/forum/development/116...y-you-use-limesurvey

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2 months 1 week ago #173495 by DenisChenu
DenisChenu replied the topic: 504 after survey submission with participants/tokens table
I more say : The development must take priority over features that are not correctable with a good server ...

With your opinion : if i make a broken plugin : broke redirection or show end page. LimeSurvey must disable this plugin.
But : if this plugin make a major action (for example : preparing an order) : maybe it better if we brake.

I'm OK with the general part : when a broken system happen : log it as error and show a clean error to user.
If we have time : add a checkbox on Global settings to send all error to a specific email etc …

But, if you look at bugs.limesurvey.org/my_view_page.php : you see a lot of other error that seems most important , no ?

Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand (or search sondages pro).
An error happen ? Before make a new topic : remind the Debug mode .

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