我正在使用Laravel 8 / homestead / Horizon / Redis / Nova
我经常在日志中出现错误
[2020-10-21 09:05:03] local.ERROR: Connection refused {"exception":"[object] (RedisException(code: 0): Connection refused at /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php:135)
[stacktrace]
#0 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php(135): Redis->connect()
#1 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php(84): Illuminate\\Redis\\Connectors\\PhpRedisConnector->establishConnection()
#2 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Support/helpers.php(263): Illuminate\\Redis\\Connectors\\PhpRedisConnector->Illuminate\\Redis\\Connectors\\{closure}()
#3 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php(105): tap()
#4 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php(28): Illuminate\\Redis\\Connectors\\PhpRedisConnector->createClient()
#5 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/Connectors/PhpRedisConnector.php(32): Illuminate\\Redis\\Connectors\\PhpRedisConnector->Illuminate\\Redis\\Connectors\\{closure}()
#6 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/RedisManager.php(110): Illuminate\\Redis\\Connectors\\PhpRedisConnector->connect()
#7 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Redis/RedisManager.php(90): Illuminate\\Redis\\RedisManager->resolve()
#8 /home/julien/Code/acc/vendor/laravel/horizon/src/Lock.php(93): Illuminate\\Redis\\RedisManager->connection()
#9 /home/julien/Code/acc/vendor/laravel/horizon/src/Lock.php(66): Laravel\\Horizon\\Lock->connection()
#10 /home/julien/Code/acc/vendor/laravel/horizon/src/Console/SnapshotCommand.php(34): Laravel\\Horizon\\Lock->get()
#11 [internal function]: Laravel\\Horizon\\Console\\SnapshotCommand->handle()
#12 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(37): call_user_func_array()
#13 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Container/Util.php(40): Illuminate\\Container\\BoundMethod::Illuminate\\Container\\{closure}()
#14 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(95): Illuminate\\Container\\Util::unwrapIfClosure()
#15 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(39): Illuminate\\Container\\BoundMethod::callBoundMethod()
#16 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Container/Container.php(596): Illuminate\\Container\\BoundMethod::call()
#17 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Console/Command.php(136): Illuminate\\Container\\Container->call()
#18 /home/julien/Code/acc/vendor/symfony/console/Command/Command.php(258): Illuminate\\Console\\Command->execute()
#19 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Console/Command.php(121): Symfony\\Component\\Console\\Command\\Command->run()
#20 /home/julien/Code/acc/vendor/symfony/console/Application.php(920): Illuminate\\Console\\Command->run()
#21 /home/julien/Code/acc/vendor/symfony/console/Application.php(266): Symfony\\Component\\Console\\Application->doRunCommand()
#22 /home/julien/Code/acc/vendor/symfony/console/Application.php(142): Symfony\\Component\\Console\\Application->doRun()
#23 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Console/Application.php(93): Symfony\\Component\\Console\\Application->run()
#24 /home/julien/Code/acc/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(129): Illuminate\\Console\\Application->run()
#25 /home/julien/Code/acc/artisan(37): Illuminate\\Foundation\\Console\\Kernel->handle()
#26 {main}
"}
我想这是由于：
$schedule->command('horizon:snapshot')->everyFiveMinutes();
似乎Horizon无法发出快照命令并无法获得Redis锁定。
不过，我可以确认laravel Horizon正在运行，有主管并且在我手动执行时：
php artisan horizon:snapshot
我没有错误，并且可以正常工作。
为什么从cron运行时和手动运行时有何不同？