Facebook API Question posted in
The official documentation for the Facebook APIs can be found here.

Target [LeagueOAuth2ServerRepositoriesClientRepositoryInterface] is not instantiable while building [LeagueOAuth2ServerAuthorizationServer] – Facebook api

I’ve recently set up a new Laravel 5.5 project on Ubuntu 16.04 with an NGINX server. I’ve followed all the correct steps and double checked everything more than once. I’ve installed Laravel/Passport and double checked those set up instructions as well.

I’m building an API that requires a login for most endpoints, which is done via password_grant with laravel/passport but can also consumes a Facebook auth token – instead of writing my own Facebook Auth Token verify, I’ve chosen to use a larval plugin. composer require danjdewhurst/laravel-passport-facebook-login However, this plugin doesn’t seem to install easily for me.

I am receiving an error on any composer install or update command I issue:

Target [LeagueOAuth2ServerRepositoriesClientRepositoryInterface] is not instantiable while building [LeagueOAuth2ServerAuthorizationServer].

I have played around with the config/app.php file as well as the uses for all of the files and providers that were installed with the plugin. I have gone through every post here to try and fix the issue as well.

If anyone has any insight or a fix for this issue I’d appreciate it. Any help would help.

Thank you.

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3

Answers


  1. 0

    I was trying to composer update and encounter the same problem.

    Then I notice the dependencies in https://github.com/danjdewhurst/Laravel-Passport-Facebook-Login stated 

    "laravel/passport": "^4.0",

    I solved my problem after updating my passport

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  2. 0

    I found this to be an issue with the order of Laravel’s auto discovery of packages. Obviously the Facebook Grant package needs to load after laravel/passport but this was not happening.

    My solution was to add the following to my composer.json:

    "extra": {
    "laravel": {
        "dont-discover": [
            "laravel/passport",
            "danjdewhurst/laravel-passport-facebook-login"
        ]
    }
}

    and then the following to my config/app.php in the providers array:

    LaravelPassportPassportServiceProvider::class,
DanjdewhurstPassportFacebookLoginFacebookLoginGrantProvider::class,
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  3. 0

    After adding LaravelPassportServiceProvider::class to config/app.php providers. I just deleted the .php from bootstrap/cache/ and it works.

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