{"class":"Tymon\\JWTAuth\\Exceptions\\JWTException","message":"Could not create token: Implicit conversion of keys from strings is deprecated. Please use InMemory or LocalFileReference classes.","code":0,"file":"/app/vendor/tymon/jwt-auth/src/Providers/JWT/Lcobucci.php:113","previous":{"class":"ErrorException","message":"Implicit conversion of keys from strings is deprecated. Please use InMemory or LocalFileReference classes.","code":0,"file":"/app/vendor/lcobucci/jwt/src/Builder.php:451"}}

解决办法1：

更新config/jwt.php文件

        'jwt' => Tymon\JWTAuth\Providers\JWT\Namshi::class,

解决办法2：

lcobucci/jwt:3.4 has this problem, composer require lcobucci/jwt:3.3 can resolve it.

针对lumen的处理办法：

This solution should work for Laravel. If you need it for Lumen then create a new folder called config in the root of the project and create a file called jwt.php inside of it. Then copy the contents from this file in there: github.com/tymondesigns/jwt-auth/blob/1.0.0-beta.2/config/… Then go to your bootstrap\app.php file and add this line in the Register Config Files section: $app->configure('jwt');