Magento 2.4.2 Customers Cannot login to Front End

[joe_masciangelo]

A couple of weeks ago my customers started to have issues logging into the front end. I tried this myself and after you enter your password and click login, the page reloads and you are never logged in. I don't see anything in the exception logs. the only thing I can think of that may have changed is some updates to my theme. So, that could possibly be related. Any help would be greatly appreciated.

[adityasing6787]

Please check the issue by enabling the developer mode to see if there is any error..
Also you can uncomment the error log from bootstrap.php and then run setup:di:compile
you can see the error..
Please specify the error then i will help you more.. 

Thanks !!!

[joe_masciangelo]

I just checked my logs and am seeing this repeatedly:

127.0.0.1 - - [06/May/2021:00:03:29 -0400] "GET /customer/account/login/referer/aHR0cHM6Ly9zaG93c3VwcGx5LmNvbS9zZW5kZnJpZW5kL3Byb2R1Y3Qvc2VuZC9pZC8yMDEwL2NhdF9pZC8yLw,,/ HTTP/1.1" 200 17611 "-" "Mozilla/5.0 (compatible; BLEXBot/1.0; +http://webmeup-crawler.com/)"
127.0.0.1 - - [06/May/2021:00:03:31 -0400] "GET /customer/account/loginPost/referer/aHR0cHM6Ly9zaG93c3VwcGx5LmNvbS9hdWRpby5odG1sP2NhdD0zNCZwcmljZT0yMDAwLTMwMDAlMkMtMTAwMCUyQy0xMDAlMkMyMDAtMzAwJTJDLTEwMDAlMkMzMDAwLSUyQzMwMDAt HTTP/1.1" 404 18581 "-" "Mozilla/5.0 (compatible; SemrushBot/7~bl; +http://www.semrush.com/bot.html)"
127.0.0.1 - - [06/May/2021:00:03:33 -0400] "GET /customer/account/login/referer/aHR0cHM6Ly9zaG93c3VwcGx5LmNvbS9zZW5kZnJpZW5kL3Byb2R1Y3Qvc2VuZC9pZC8yMDExL2NhdF9pZC80OS8,/ HTTP/1.1" 200 17614 "-" "Mozilla/5.0 (compatible; BLEXBot/1.0; +http://webmeup-crawler.com/)"
127.0.0.1 - - [06/May/2021:00:03:33 -0400] "GET /health_check.php HTTP/1.1" 200 5 "-" "-"

[LitExtension Expert]

Hi @joe_masciangelo,

Maybe it's related on server space or var/session folder permissions (if you are using default (files) session storage)

Hope this can help you! Let me know if you need further assistance.

__________

If issue solved, Click Kudos & Accept as Solution.

[joe_masciangelo]

I do not have a var/session folder. I am using redis for session storage. Is there something here I should be looking at to troubleshoot?

[LitExtension Expert]

Hi @joe_masciangelo,

If you are using Redis then check the configuration again.

Depending on your installation, you can usually find your Redis configuration in one of the following files: /etc/redis/redis.conf or /etc/redis/<port>.conf

To optimize the Redis instance for your requirements, you get best results by using a dedicated instance for each session, Magento cache and FPC.

Hope this can help you! Let me know if you need further assistance.

________

If issue solved, Click Kudos & Accept as Solution.

[arunastefa7af0]

Hello,

I have the same issue but I am not using Redis cache. Any idea of a fix so as the customers to be able to login again?

Thank you

[balex70yah6eac]

For me, the issue was in web/cookie/cookie_domain this one was wrong.

Configuration > General > Web > Default Cookie Setting -> "Cookie Domain" and change it to start with the dot.

Before: fr.blabla.localhost

After: .blabla.localhost

Magento 2.4.6-p2