Form Validation Error for Array input

[r8or0pz]

After upgrading symfony/form to v4.2.2 from v4.2.1, I'm having form validation error. Actually, I think it's correct behavior now, because an input data is an Array while form element is of TextType. Not sure why it was working before though :) To solve the issue, I tried to use Data Transformers, however both transform callable arguments are empty for some reason. How can I resolve it?

[cvilleger]

I have the same error ! I lost hours to understand that... The only solution I have is to downgrade to 4.2.1

[r8or0pz]

I have the same error ! I lost hours to understand that... The only solution I have is to downgrade to 4.2.1

I also rolled back to 4.2.1.

[dmaicher]

See
#29809

#29841

[xabbuh]

I just proposed #29911 which could hopefully mitigate the impact a bit.

[ThibDums]

I have the same error ! I lost hours to understand that... The only solution I have is to downgrade to 4.2.1

How did you downgrade to 4.2.1 ? You have to downgrade all packages versions too ?

[r8or0pz]

I have the same error ! I lost hours to understand that... The only solution I have is to downgrade to 4.2.1

How did you downgrade to 4.2.1 ? You have to downgrade all packages versions too ?

composer require symfony/form:4.2.1

[xabbuh]

I'd appreciate if everyone affected by the issue described here could give their feedback on #29911. :) Please note that we are not going to change the behaviour of the TextType nor any other non-compound type provided by the core, but the proposed fix could resolve issues you might have experienced in your custom types.

[nicolas-grekas]

Closing as not a bug, see linked issues.