Symfony 4.4:无法自动服务"Symfony\Component\Validator\Context\ExecutionContextFactory“

Question

我正在升级从框架版本3到4.4的symfony。我已经开始运作基地了。但是我的自动化测试失败了，因为框架本身缺少类型，提示需要翻译接口的某个文件。

Symfony\Component\DependencyInjection\Exception\RuntimeException: Cannot autowire service "Symfony\Component\Validator\Context\ExecutionContextFactory": argument "$translator" of method "__construct()" has no type-hint, you should configure its value explicitly.

/srv/vendor/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php:54
/srv/vendor/symfony/dependency-injection/Compiler/AbstractRecursivePass.php:83
/srv/vendor/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php:32
/srv/vendor/symfony/dependency-injection/Compiler/AbstractRecursivePass.php:47
/srv/vendor/symfony/dependency-injection/Compiler/Compiler.php:94
/srv/vendor/symfony/dependency-injection/ContainerBuilder.php:762
/srv/vendor/symfony/http-kernel/Kernel.php:594
/srv/vendor/symfony/http-kernel/Kernel.php:136
/srv/vendor/symfony/framework-bundle/Test/KernelTestCase.php:79
/srv/tests/BaseTestCase.php:32 

导致此错误的文件。

    /**
     * Creates a new context factory.
     *
     * @param TranslatorInterface $translator        The translator
     * @param string|null         $translationDomain The translation domain to
     *                                               use for translating
     *                                               violation messages
     */
    public function __construct($translator, string $translationDomain = null)
    {
        if (!$translator instanceof LegacyTranslatorInterface && !$translator instanceof TranslatorInterface) {
            throw new \TypeError(sprintf('Argument 1 passed to "%s()" must be an instance of "%s", "%s" given.', __METHOD__, TranslatorInterface::class, \is_object($translator) ? \get_class($translator) : \gettype($translator)));
        }

        $this->translator = $translator;
        $this->translationDomain = $translationDomain;
    }

我似乎不知道是什么原因导致了这个不加载，或者我应该如何修复它。我尝试将composer和大多数版本更新为symfony 4.4支持的最新版本。

这不是我的项目中的一个文件需要这种类型的暗示。它是一个框架文件。

Answer 1

自动装配无法猜测$translator的类型。必须指定$translator的类型：

    /**
     * Creates a new context factory.
     *
     * @param TranslatorInterface $translator        The translator
     * @param string|null         $translationDomain The translation domain to
     *                                               use for translating
     *                                               violation messages
     */
    public function __construct(TranslatorInterface $translator, string $translationDomain = null)
    {
        if (!$translator instanceof LegacyTranslatorInterface && !$translator instanceof TranslatorInterface) {
            throw new \TypeError(sprintf('Argument 1 passed to "%s()" must be an instance of "%s", "%s" given.', __METHOD__, TranslatorInterface::class, \is_object($translator) ? \get_class($translator) : \gettype($translator)));
        }

        $this->translator = $translator;
        $this->translationDomain = $translationDomain;
    }

use Symfony\Contracts\Translation\TranslatorInterface;