在 Laravel 6 中，执行命令：php artisan telescope:publish，报错：There are no commands defined in the “telescope” namespace.
1、在 Laravel 6 中，执行命令：php artisan telescope:publish，报错：There are no commands defined in the “telescope” namespace.。如图1
图1
1 2 3 4 | PS E:\wwwroot\object> php artisan telescope:publish There are no commands defined in the "telescope" namespace. |
2、查看 composer.json，laravel/telescope 存在于 require-dev 中。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | "require-dev": { "allure-framework/allure-phpunit": "^1.3", "barryvdh/laravel-debugbar": "^3.6", "beyondcode/laravel-dump-server": "^1.0", "beyondcode/laravel-er-diagram-generator": "^1.4", "brianium/paratest": "^2.0", "filp/whoops": "^2.0", "fzaninotto/faker": "^1.4", "laravel/telescope": "^2.1", "mockery/mockery": "^1.0", "nunomaduro/collision": "^3.0", "phpunit/phpunit": "^7.5", "squizlabs/php_codesniffer": "^3.5"}, |
3、查看目录 /config，已经存在文件 telescope.php，文件：/app/Providers/TelescopeServiceProvider.php 已存在。但是目录 /public/vendor/telescope 不存在。
4、访问：https://object.local/telescope ，报错：RuntimeException
The Telescope assets are not published. Please run: php artisan telescope:publish 。如图2
图2
5、要查看所有可用的 Artisan 命令的列表，使用 list 命令。其中不存在 telescope
6、查看文件 /app/Providers/AppServiceProvider.php，在 AppServiceProvider 的 register 方法中未手动注册服务，存在如下代码
1 2 3 4 5 | // 流水线运行调用artisan命令的时候会进入到此逻辑，如果日常开发需要使用，在开发时候可以屏蔽这个逻辑if ($this->app->isLocal() && !$this->app->runningInConsole()) { $this->app->register(\Laravel\Telescope\TelescopeServiceProvider::class); $this->app->register(TelescopeServiceProvider::class);} |
7、删除掉 !$this->app->runningInConsole() 后，再次执行：php artisan telescope:publish，执行成功。如图3
图3
1 2 3 4 5 | // 流水线运行调用artisan命令的时候会进入到此逻辑，如果日常开发需要使用，在开发时候可以屏蔽这个逻辑if ($this->app->isLocal()) { $this->app->register(\Laravel\Telescope\TelescopeServiceProvider::class); $this->app->register(TelescopeServiceProvider::class);} |
1 2 3 4 | PS E:\wwwroot\object> php artisan telescope:publishPublishing complete.Copied Directory [\vendor\laravel\telescope\public] To [\public\vendor\telescope]Publishing complete. |
8、再次访问：https://object.local/telescope ，响应 200。
![执行时报错：SQLSTATE[42S02]: Base table or view not found: 1146 Table 'object_store.themes' doesn't exist (SQL: delete from `themes` where `id` = 156) 。](https://www.shuijingwanwq.com/wp-content/uploads/2022/07/1-1-520x133.png)
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