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Adobe AD0-E716 Exam - Topic 11 Question 44 Discussion

An Adobe Commerce Developer is tasked with creating a custom form which submits its data to a frontend controller They have decided to create an action and have implemented the \Magento\Framework\App\Action\HttpPostActioninterface class, but are not seeing the data being persisted in the database, and an error message is being shown on the frontend after submission.After debugging and ensuring that the data persistence logic is correct, what may be cause and solution to this?
C) Form key validation runs on all non-AJAX POST requests, the developer needs to add the for_key to their requests.
A) Magento does not allow POST requests to a frontend controller, therefore, the submission functionality will need to be rewritten as an API endpoint.
B) The developer forgot to implement a validatePostDataQ method in their action. They should implement this method: all non-validated POST data gets stripped out of the request and an error is thrown.

Adobe AD0-E716 Exam - Topic 11 Question 44 Discussion

Actual exam question for Adobe's AD0-E716 exam
Question #: 44
Topic #: 11
[All AD0-E716 Questions]

An Adobe Commerce Developer is tasked with creating a custom form which submits its data to a frontend controller They have decided to create an action and have implemented the \Magento\Framework\App\Action\HttpPostActioninterface class, but are not seeing the data being persisted in the database, and an error message is being shown on the frontend after submission.

After debugging and ensuring that the data persistence logic is correct, what may be cause and solution to this?

Show Suggested Answer Hide Answer
Suggested Answer: C

According to the Magento Stack Exchange answer, form key validation is a security feature that prevents CSRF attacks by checking if the form key in the request matches the one generated by Magento. If the developer does not include the form_key in their custom form, the validation will fail and an error will be shown. Therefore, the developer needs to add the form_key to their requests by using <?= $block->getBlockHtml ('formkey') ?> in their template file. Verified Reference: https://magento.stackexchange.com/questions/95171/magento-2-form-validation


by Kristel at Apr 08, 2025, 01:27 AM

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Ngoc
6 months ago
I had a similar problem once, and it was the form key. Super annoying!
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Huey
6 months ago
I think it's definitely option B. Missing validation can mess things up.
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Elinore
6 months ago
Wait, are you sure Magento doesn't allow POST to frontend? That seems odd.
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Florinda
7 months ago
I disagree, I think it's more about the API endpoint. POST should work fine.
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Bernardine
7 months ago
Sounds like a classic form key issue. Always check that!
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Brynn
7 months ago
The form key definitely needs to be included in the request for non-AJAX submissions. I think that's a common pitfall!
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Camellia
7 months ago
I'm not entirely sure, but I feel like Magento allows POST requests to frontend controllers. Could it be something else causing the error?
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Rashida
7 months ago
I think I came across a similar question in practice where the developer forgot to implement a validation method. Maybe that's the issue here?
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Keith
8 months ago
I remember something about form key validation being crucial for POST requests in Magento. Could it be related to that?
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Albina
8 months ago
Interesting, I didn't know Magento didn't allow POST requests to a frontend controller. I'll keep that in mind and consider rewriting this as an API endpoint if the other solutions don't work.
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Cecily
8 months ago
Ah, I see. The form key validation is the likely culprit here. I'll make sure to add that to my requests and see if that solves the issue.
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Alishia
8 months ago
Okay, let me think this through. It sounds like the developer might have forgotten to implement the validatePostData method. I'll make sure to check that.
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Louis
8 months ago
Hmm, this seems like a tricky one. I'll need to carefully review the code and the Magento documentation to figure out what's going on.
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Micaela
1 year ago
Haha, I bet the developer is kicking themselves for forgetting the form_key. That's like Ecommerce 101, you know? At least it's an easy fix.
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Olen
1 year ago
Wait, I thought Magento allowed POST requests to frontend controllers. This sounds like a trick question to me. Better double-check the documentation just in case.
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Lindy
12 months ago
C) Form key validation runs on all non-AJAX POST requests, the developer needs to add the for_key to their requests.
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Elroy
12 months ago
B) The developer forgot to implement a validatePostDataQ method in their action. They should implement this method: all non-validated POST data gets stripped out of the request and an error is thrown.
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Christiane
12 months ago
A) Magento does not allow POST requests to a frontend controller, therefore, the submission functionality will need to be rewritten as an API endpoint.
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Huey
1 year ago
Ah, I see the problem now. The developer forgot to implement the validatePostData method. That's a common oversight that can lead to issues with data persistence.
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Latrice
1 year ago
User 3: It's a common oversight that can cause problems with data persistence.
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Sanjuana
1 year ago
User 2: Yes, that was the issue. They forgot to implement it.
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Adrianna
1 year ago
User 1: Did you check if the developer implemented the validatePostData method?
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Jennie
1 year ago
Or maybe they forgot to implement the validatePostDataQ method in their action.
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Gwen
1 year ago
I agree, maybe the developer needs to rewrite the submission functionality as an API endpoint.
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Elliot
1 year ago
Hmm, I'm not sure if that's the problem. Didn't the question mention the developer checked the data persistence logic and it was correct? Sounds like a deeper issue to me.
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Louisa
12 months ago
C) Form key validation runs on all non-AJAX POST requests, the developer needs to add the for_key to their requests.
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Odette
1 year ago
B) The developer forgot to implement a validatePostDataQ method in their action. They should implement this method: all non-validated POST data gets stripped out of the request and an error is thrown.
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Corrina
1 year ago
A) Magento does not allow POST requests to a frontend controller, therefore, the submission functionality will need to be rewritten as an API endpoint.
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Page
1 year ago
I think the issue here is the form key validation. The developer needs to add the form_key to their requests to ensure the submission is valid.
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Glendora
12 months ago
A) Thank you for the suggestion, I will add the form_key to my requests.
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Luke
12 months ago
C) Adding the form_key should resolve the data persistence issue.
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France
12 months ago
B) Yes, form key validation is important for non-AJAX POST requests.
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Michel
12 months ago
A) The developer needs to add the form_key to their requests for validation.
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Sunny
1 year ago
I think the issue might be with the POST request to the frontend controller.
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