![在 Laravel 6 中报错：Target [Interface] is not instantiable while building [Resolver]。](https://media.shuijingwanwq.com/2022/03/1-21.png)
1. Error in Laravel 6: Target[Interface]Is not instantiable while building[Resolver]. as shown in Figure 1
![在 Laravel 6 中报错：Target [Interface] is not instantiable while building [Resolver]。](https://www.shuijingwanwq.com/wp-content/uploads/2022/03/1-21.png)
{
"message": "Target [Modules\\ThemeSetting\\Schema\\ThemeSchemaLoaderInterface] is not instantiable while building [Modules\\ThemeStore\\Resolver\\OnlineStoreThemeResolver].",
"exception": "Illuminate\\Contracts\\Container\\BindingResolutionException",
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 978,
"trace": [
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 812,
"function": "notInstantiable",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 681,
"function": "build",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php",
"line": 785,
"function": "resolve",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 629,
"function": "resolve",
"class": "Illuminate\\Foundation\\Application",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php",
"line": 770,
"function": "make",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 945,
"function": "make",
"class": "Illuminate\\Foundation\\Application",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 873,
"function": "resolveClass",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 834,
"function": "resolveDependencies",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 681,
"function": "build",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php",
"line": 785,
"function": "resolve",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php",
"line": 629,
"function": "resolve",
"class": "Illuminate\\Foundation\\Application",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php",
"line": 770,
"function": "make",
"class": "Illuminate\\Container\\Container",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\helpers.php",
"line": 120,
"function": "make",
"class": "Illuminate\\Foundation\\Application",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Support\\Utils.php",
"line": 58,
"function": "app"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Schema\\Directives\\FieldDirective.php",
"line": 45,
"function": "constructResolver",
"class": "Nuwave\\Lighthouse\\Support\\Utils",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Schema\\Factories\\FieldFactory.php",
"line": 68,
"function": "resolveField",
"class": "Nuwave\\Lighthouse\\Schema\\Directives\\FieldDirective",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Schema\\TypeRegistry.php",
"line": 369,
"function": "handle",
"class": "Nuwave\\Lighthouse\\Schema\\Factories\\FieldFactory",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Type\\Definition\\UnresolvedFieldDefinition.php",
"line": 39,
"function": "Nuwave\\Lighthouse\\Schema\\{closure}",
"class": "Nuwave\\Lighthouse\\Schema\\TypeRegistry",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Type\\Definition\\TypeWithFields.php",
"line": 45,
"function": "resolve",
"class": "GraphQL\\Type\\Definition\\UnresolvedFieldDefinition",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Type\\Definition\\TypeWithFields.php",
"line": 33,
"function": "findField",
"class": "GraphQL\\Type\\Definition\\TypeWithFields",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\Rules\\OverlappingFieldsCanBeMerged.php",
"line": 256,
"function": "getField",
"class": "GraphQL\\Type\\Definition\\TypeWithFields",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\Rules\\OverlappingFieldsCanBeMerged.php",
"line": 165,
"function": "internalCollectFieldsAndFragmentNames",
"class": "GraphQL\\Validator\\Rules\\OverlappingFieldsCanBeMerged",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\Rules\\OverlappingFieldsCanBeMerged.php",
"line": 96,
"function": "getFieldsAndFragmentNames",
"class": "GraphQL\\Validator\\Rules\\OverlappingFieldsCanBeMerged",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\Rules\\OverlappingFieldsCanBeMerged.php",
"line": 64,
"function": "findConflictsWithinSelectionSet",
"class": "GraphQL\\Validator\\Rules\\OverlappingFieldsCanBeMerged",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Language\\Visitor.php",
"line": 414,
"function": "GraphQL\\Validator\\Rules\\{closure}",
"class": "GraphQL\\Validator\\Rules\\OverlappingFieldsCanBeMerged",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Language\\Visitor.php",
"line": 470,
"function": "GraphQL\\Language\\{closure}",
"class": "GraphQL\\Language\\Visitor",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Language\\Visitor.php",
"line": 277,
"function": "GraphQL\\Language\\{closure}",
"class": "GraphQL\\Language\\Visitor",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\DocumentValidator.php",
"line": 224,
"function": "visit",
"class": "GraphQL\\Language\\Visitor",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\Validator\\DocumentValidator.php",
"line": 116,
"function": "visitUsingRules",
"class": "GraphQL\\Validator\\DocumentValidator",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\GraphQL.php",
"line": 153,
"function": "validate",
"class": "GraphQL\\Validator\\DocumentValidator",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\webonyx\\graphql-php\\src\\GraphQL.php",
"line": 94,
"function": "promiseToExecute",
"class": "GraphQL\\GraphQL",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\GraphQL.php",
"line": 268,
"function": "executeQuery",
"class": "GraphQL\\GraphQL",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\GraphQL.php",
"line": 203,
"function": "executeParsedQuery",
"class": "Nuwave\\Lighthouse\\GraphQL",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\GraphQL.php",
"line": 162,
"function": "parseAndExecuteQuery",
"class": "Nuwave\\Lighthouse\\GraphQL",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\GraphQL.php",
"line": 121,
"function": "executeOperation",
"class": "Nuwave\\Lighthouse\\GraphQL",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Support\\Utils.php",
"line": 99,
"function": "Nuwave\\Lighthouse\\{closure}",
"class": "Nuwave\\Lighthouse\\GraphQL",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\GraphQL.php",
"line": 120,
"function": "applyEach",
"class": "Nuwave\\Lighthouse\\Support\\Utils",
"type": "::"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Support\\Http\\Controllers\\GraphQLController.php",
"line": 32,
"function": "executeOperationOrOperations",
"class": "Nuwave\\Lighthouse\\GraphQL",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\ControllerDispatcher.php",
"line": 48,
"function": "__invoke",
"class": "Nuwave\\Lighthouse\\Support\\Http\\Controllers\\GraphQLController",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Route.php",
"line": 219,
"function": "dispatch",
"class": "Illuminate\\Routing\\ControllerDispatcher",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Route.php",
"line": 176,
"function": "runController",
"class": "Illuminate\\Routing\\Route",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
"line": 681,
"function": "run",
"class": "Illuminate\\Routing\\Route",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 130,
"function": "Illuminate\\Routing\\{closure}",
"class": "Illuminate\\Routing\\Router",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Support\\Http\\Middleware\\AttemptAuthentication.php",
"line": 34,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Nuwave\\Lighthouse\\Support\\Http\\Middleware\\AttemptAuthentication",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\nuwave\\lighthouse\\src\\Support\\Http\\Middleware\\AcceptJson.php",
"line": 27,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Nuwave\\Lighthouse\\Support\\Http\\Middleware\\AcceptJson",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 105,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
"line": 683,
"function": "then",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
"line": 658,
"function": "runRouteWithinStack",
"class": "Illuminate\\Routing\\Router",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
"line": 624,
"function": "runRoute",
"class": "Illuminate\\Routing\\Router",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
"line": 613,
"function": "dispatchToRoute",
"class": "Illuminate\\Routing\\Router",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
"line": 170,
"function": "dispatch",
"class": "Illuminate\\Routing\\Router",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 130,
"function": "Illuminate\\Foundation\\Http\\{closure}",
"class": "Illuminate\\Foundation\\Http\\Kernel",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\barryvdh\\laravel-debugbar\\src\\Middleware\\InjectDebugbar.php",
"line": 67,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Barryvdh\\Debugbar\\Middleware\\InjectDebugbar",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\app\\Http\\Middleware\\ChangeAppUrlMiddleware.php",
"line": 23,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "App\\Http\\Middleware\\ChangeAppUrlMiddleware",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php",
"line": 21,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php",
"line": 21,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize.php",
"line": 27,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode.php",
"line": 63,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\fideloper\\proxy\\src\\TrustProxies.php",
"line": 57,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Fideloper\\Proxy\\TrustProxies",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\dingo\\api\\src\\Http\\Middleware\\Request.php",
"line": 111,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 171,
"function": "handle",
"class": "Dingo\\Api\\Http\\Middleware\\Request",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
"line": 105,
"function": "Illuminate\\Pipeline\\{closure}",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
"line": 145,
"function": "then",
"class": "Illuminate\\Pipeline\\Pipeline",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
"line": 110,
"function": "sendRequestThroughRouter",
"class": "Illuminate\\Foundation\\Http\\Kernel",
"type": "->"
},
{
"file": "E:\\wwwroot\\object\\public\\index.php",
"line": 57,
"function": "handle",
"class": "Illuminate\\Foundation\\Http\\Kernel",
"type": "->"
}
]
}
2. Check /modules/themestore/providers/themestoreServiceProvider.php, prompting undefined classThemeschemaLoaderInterface. as shown in Figure 2
3. However, you can confirm the classThemeschemaLoaderInterfaceis there. In the end, I found that the path of use is wrong. Delete the theme\ from the path. IDE no longer prompts. as shown in Figure 3
4. Execute the command: php artisan list error when: illuminate\contracts\container\bindingResolutionException : target class[Modules\ThemeStore\Console\AssetCdn\SyncCommand]does not exist.
PS E:\wwwroot\object> php artisan list
Illuminate\Contracts\Container\BindingResolutionException : Target class [Modules\ThemeStore\Console\AssetCdn\SyncCommand] does not exist.
at E:\wwwroot\object\vendor\laravel\framework\src\Illuminate\Container\Container.php:805
801|
802| try {
803| $reflector = new ReflectionClass($concrete);
804| } catch (ReflectionException $e) {
> 805| throw new BindingResolutionException("Target class [$concrete] does not exist.", 0, $e);
806| }
807|
808| // If the type is not instantiable, the developer is attempting to resolve
809| // an abstract type such as an Interface or Abstract Class and there is
Exception trace:
1 ReflectionException::("Class Modules\ThemeStore\Console\AssetCdn\SyncCommand does not exist")
E:\wwwroot\object\vendor\laravel\framework\src\Illuminate\Container\Container.php:803
2 ReflectionClass::__construct("Modules\ThemeStore\Console\AssetCdn\SyncCommand")
E:\wwwroot\object\vendor\laravel\framework\src\Illuminate\Container\Container.php:803
Please use the argument -v to see more details.
PS E:\wwwroot\object>
5. Check /modules/themestore/providers/themeStoreServiceProvider.php and confirm Consoles\AssetCDN\SyncCommand::Class Does not exist at the corresponding path. Delete the corresponding call. as shown in Figure 4
6. Execute the command again: PHP Artisan List is successful.
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