TYPO3 Exception 1365799920

Note

Below, the TYPO3 community may have provided additional information or solutions for this exception. However, these may or may not apply to your particular case. If you can provide more information, you should come back here and add your experience and solution steps to this issue once you have resolved it.

General TYPO3 troubleshooting tips can be found in the Troubleshooting section in the menu. You can also ask questions and receive support in the TYPO3 Questions category on talk.typo3.org.

To add your experience, click "Edit on GitHub" above and follow the "Edit on GitHub" workflow. Also check out our tip on Coding Style and reST.

TYPO3 12.0-dev - 14.08.22

Installation Overview

TYPO3 12.0-dev with blog_example extension

The Issue

On front end call to the extensions plugin

(1/1) #1365799920 TYPO3\CMS\Extbase\Validation\Exception\NoSuchValidatorException
Validator class FriendsOfTYPO3\ExtbaseExample\Domain\Validator\BlogValidator does not exist

Solution

The fully-qualified class name of the validator in the annotation was wrong

Changed annotation from

/**
* Updates an existing blog
*
* @Validate(param="blog", validator="FriendsOfTYPO3\ExtbaseExample\Domain\Validator\BlogValidator")
* @throws NoBlogAdminAccessException
*/
public function updateAction(Blog $blog): ResponseInterface

to

/**
* Updates an existing blog
*
* @Validate(param="blog", validator="FriendsOfTYPO3\BlogExample\Domain\Validator\BlogValidator")
* @throws NoBlogAdminAccessException
*/
public function updateAction(Blog $blog): ResponseInterface