Symfony 4.4 FOS user-bundle api/auth/login 在 null 上调用成员函数 findOneBy()

Posted 2023-02-16

【中文标题】Symfony 4.4 FOS user-bundle api/auth/login 在 null 上调用成员函数 findOneBy()

【英文标题】：Symfony 4.4 FOS user-bundle api/auth/login Call to a member function findOneBy() on null

【发布时间】：2020-10-27 01:50:55

【问题描述】：

我通过 docker 使用 symfony 4.4 并在前一段时间安装了 FOS 用户包。一切正常，但最近在尝试登录时，我不断收到错误

Call to a member function findOneBy() on null。 完整的痕迹是这样的

    "meta": 
        "code": 0,
        "message": "Call to a member function findOneBy() on null",
        "file": "/var/www/symfony/vendor/friendsofsymfony/user-bundle/Doctrine/UserManager.php",
        "line": 76,
        "trace": [
            
                "file": "/var/www/symfony/vendor/friendsofsymfony/user-bundle/Model/UserManager.php",
                "line": 58,
                "function": "findUserBy"
            ,
            
                "file": "/var/www/symfony/vendor/friendsofsymfony/user-bundle/Security/UserProvider.php",
                "line": 93,
                "function": "findUserByUsername"
            ,
            
                "file": "/var/www/symfony/vendor/friendsofsymfony/user-bundle/Security/UserProvider.php",
                "line": 43,
                "function": "findUser"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-core/User/ChainUserProvider.php",
                "line": 56,
                "function": "loadUserByUsername"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-core/Authentication/Provider/DaoAuthenticationProvider.php",
                "line": 85,
                "function": "loadUserByUsername"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-core/Authentication/Provider/UserAuthenticationProvider.php",
                "line": 65,
                "function": "retrieveUser"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-core/Authentication/AuthenticationProviderManager.php",
                "line": 85,
                "function": "authenticate"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-http/Firewall/UsernamePasswordJsonAuthenticationListener.php",
                "line": 137,
                "function": "authenticate"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-bundle/Debug/WrappedLazyListener.php",
                "line": 49,
                "function": "authenticate"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-http/Firewall/AbstractListener.php",
                "line": 27,
                "function": "authenticate"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-bundle/Debug/TraceableFirewallListener.php",
                "line": 62,
                "function": "__invoke"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/security-http/Firewall.php",
                "line": 98,
                "function": "callListeners"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/event-dispatcher/Debug/WrappedListener.php",
                "line": 126,
                "function": "onKernelRequest"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/event-dispatcher/EventDispatcher.php",
                "line": 264,
                "function": "__invoke"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/event-dispatcher/EventDispatcher.php",
                "line": 239,
                "function": "doDispatch"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/event-dispatcher/EventDispatcher.php",
                "line": 73,
                "function": "callListeners"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php",
                "line": 168,
                "function": "dispatch"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/http-kernel/HttpKernel.php",
                "line": 134,
                "function": "dispatch"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/http-kernel/HttpKernel.php",
                "line": 80,
                "function": "handleRaw"
            ,
            
                "file": "/var/www/symfony/vendor/symfony/http-kernel/Kernel.php",
                "line": 201,
                "function": "handle"
            ,
            
                "file": "/var/www/symfony/public/index.php",
                "line": 25,
                "function": "handle"
            
        ]
    ,
    "links": 
        "self": "/api/auth/login"
    ,
    "errors": [
        
            "status": "500",
            "code": "INTERNAL_SERVER_ERROR",
            "title": "Internal Server Error"
        
    ]

注册端点在 url api/auth/register 上工作得很好，并注册了新用户。

有什么想法吗？

【问题讨论】：

欢迎来到 ***。您是否启动了任何命令来更新您的供应商库？您是否确认配方已升级？

【参考方案1】：

最后我可以通过永久删除vendor 文件夹并使用composer install 重新安装所有软件包来解决问题。

作曲家更新根本没有帮助。

我仍然不确定是什么问题，但解决这个问题的方法就是这样。