Symfony2 invalid form without errors

Question

I\'ve got a problem with a Symfony2 generated CRUD form. (With MongoDB Documents, but I do not think that this is related)

In my controller\'s createAction() method,

Answer 1

Update for Symfony 2.6

So depending on you Symfony2 version:

symfony2.3

die($form->getErrorsAsString());

As of symfony2.5, the getErrorsAsString() function is deprecated (will be removed in Symfony3) and you should use the following method:

die((string) $form->getErrors());     // Main errors
die((string) $form->getErrors(true)); // Main and child errors

As of symfony2.6, you can also use the dump (dev environment) function if you have activated the DebugBundle:

dump((string) $form->getErrors());     // Main errors
dump((string) $form->getErrors(true)); // Main and child errors

Answer 2

I came across this error and found that I was forgetting to "handle" the request. Make sure you have that around...

public function editAction(Request $request)
{
    $form = $this->createForm(new CustomType(),$dataObject);
    /**  This next line is the one I'm talking about... */
    $form->handleRequest($request);
    if ($request->getMethod() == "POST") {
        if ($form->isValid()) {
        ...

Answer 3

From Symfony 3 onwards as per documentation you should do use the new implementation:

$errors = (string) $form->getErrors(true, false);

This will return all errors as one string.

Answer 4

It appears as you have a validation problem. The form is not validating on submitting. I am going to assume you are using Annotations for your validation. Make sure you have this at the top of the entity.

use Symfony\Component\Validator\Constraints as Assert;

and also this above each property

/**      
 * @Assert\NotBlank()      
 */

The NotBlank() can be changed to any constraint to fit your needs.

More information on validation can be found at: http://symfony.com/doc/current/book/validation.html

More information on Assert constraints can be found at: http://symfony.com/doc/current/book/validation.html#constraints

Answer 5

For Symfony (>= 3.2 - 4), you can use :

foreach($form->getErrors(true, false) as $er) {
    print_r($er->__toString());
}

to see the errors obviously.