在 Symfony2 中使用 VichUploader 和 KnpGaufrette 和 Doctrine 时的循环引用



我尝试在我的Symfony2项目中使用以下设置:

  • 用于处理文件上传的VichUploader捆绑包
  • KnpGaufrette 捆绑包,应由 VichUploader 用作存储适配器

问题:一旦我尝试使用Gaufrette存储适配器"doctrine_dbal",我就会收到以下错误:

[SymfonyComponentDependencyInjectionExceptionServiceCircularReferenceException]                                                                                                                                                                                                                 
Circular reference detected for service "doctrine.dbal.default_connection", path: "doctrine.orm.default_entity_manager -> doctrine.dbal.default_connection -> vich_uploader.upload_handler -> vich_uploader.storage.gaufrette -> knp_gaufrette.filesystem_map -> gaufrette.storage_fs_filesystem".  

一旦Symfony尝试检查配置,例如

app/console cache:clear

如何解决此问题?

我的设置

我的项目设置是具有版本2.5.*symfony/framework-standard-edition的默认设置,没有AcmeDemo Bundle。

我只是通过作曲家添加了捆绑包:

composer require knplabs/knp-gaufrette-bundle vich/uploader-bundle

。将它们添加到AppKernel的registerBundles()

//...
$bundles = array(
        new SymfonyBundleFrameworkBundleFrameworkBundle(),
        new SymfonyBundleSecurityBundleSecurityBundle(),
        new SymfonyBundleTwigBundleTwigBundle(),
        new SymfonyBundleMonologBundleMonologBundle(),
        new SymfonyBundleSwiftmailerBundleSwiftmailerBundle(),
        new SymfonyBundleAsseticBundleAsseticBundle(),
        new DoctrineBundleDoctrineBundleDoctrineBundle(),
        new SensioBundleFrameworkExtraBundleSensioFrameworkExtraBundle(),
        new AppBundleAppBundle(),
        new VichUploaderBundleVichUploaderBundle(), //NEW 
        new KnpBundleGaufretteBundleKnpGaufretteBundle(), //NEW
    );
//...

。并将以下配置添加到 config.yml 中,该配置基于文档 VichUploader with Gaufrette 和 KnpGaufrette with Doctrine DBAL:

# ...
knp_gaufrette:
    stream_wrapper: ~
    adapters:
        storage_adapter:
            doctrine_dbal:
                connection_name: default
                table: data_storage
                columns:
                    key: id
                    content: file
                    mtime: mtime
                    checksum: checksum
    filesystems:
        storage_fs:
            adapter:    storage_adapter

vich_uploader:
    db_driver: orm
    storage:   gaufrette
    mappings:
        storage:
            uri_prefix:         /images/products
            upload_destination: storage_fs

这是版本 0.14.0 (https://github.com/dustin10/VichUploaderBundle/issues/370) 中的一个错误,在此提交中已修复:https://github.com/dustin10/VichUploaderBundle/commit/4abf4180afaf318a66d3e34736c5a14aa0883bd3

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