PHP Fatal error: Uncaught exception 'ReflectionException' with message 'Class log does not exist'
这个错误是对于新手来说真的很难找到问题所在，但是最常见的原因就是配置文件或者文件夹丢失，比如在IDE操作的时候不小心误删
或者挂载共享开发目录的时候文件损坏或者丢失或者权限问题都可能造成这个Error。
我这次遇到的问题就是config目录 莫名其妙消失了。。。根本没有发觉这个目录不存在了。尼玛 找了好半天。
#0 /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(741): ReflectionClass->__construct('log') #1 /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(631): Illuminate\Container\Container->build('log', Array) #2 /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(674): Illuminate\Container\Container->make('log', Array) #3 /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(842): Illuminate\Foundation\Application->make('Psr\\Log\\LoggerI...') #4 /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(805): Illuminate\Container\Container->resolveClass(Object(Reflecti in /www/ochm/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 741 [11-Jul-2017 11:30:21 ] PHP Fatal error: Uncaught exception 'ReflectionException' with message 'Class log does not exist' in /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php:741 Stack trace: #0 /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(741): ReflectionClass->__construct('log') #1 /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(631): Illuminate\Container\Container->build('log', Array) #2 /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(674): Illuminate\Container\Container->make('log', Array) #3 /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(842): Illuminate\Foundation\Application->make('Psr\\Log\\LoggerI...') #4 /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php(805): Illuminate\Container\Container->resolveClass(Object(ReflectionParameter)) #5 /www/F in /www/Framework/Laravel5.1/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 741
