Troubleshooting Rector

Rafael Fernandes — Wed, 10 Sep 2025 17:52:31 GMT

Current Revision posted to Dev Tutorials by Rafael Fernandes on 9/10/2025 5:52:31 PM

Troubleshooting

Depending on how large your files are or your local environment has in terms of resources, Rector can fail.

Here are few workarounds you can use to troubleshoot and ensure it runs.

Uncaught Error: Class "PHPStan\DependencyInjection\ContainerFactory" not found

[09-Sep-2025 20:09:26 GMT] PHP Fatal error:  Uncaught Error: Class "PHPStan\DependencyInjection\ContainerFactory" not found in /var/www/html/sugar/vendor/rector/rector/src/NodeTypeResolver/DependencyInjection/PHPStanServicesFactory.php:49
Stack trace:
#0 [internal function]: Rector\NodeTypeResolver\DependencyInjection\PHPStanServicesFactory->__construct()
#1 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(843): ReflectionClass->newInstanceArgs(Array)
#2 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build('Rector\\NodeType...')
#3 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\NodeType...', Array)
#4 /var/www/html/sugar/vendor/rector/rector/src/DependencyInjection/LazyContainerFactory.php(273): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\NodeType...')
#5 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(806): Rector\DependencyInjection\LazyContainerFactory::Rector\DependencyInjection\{closure}(Object(Rector\Config\RectorConfig), Array)
#6 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build(Object(Closure))
#7 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\NodeType...', Array)
#8 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(946): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\NodeType...')
#9 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(872): RectorPrefix202411\Illuminate\Container\Container->resolveClass(Object(ReflectionParameter))
#10 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(837): RectorPrefix202411\Illuminate\Container\Container->resolveDependencies(Array)
#11 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build('Rector\\StaticRe...')
#12 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\StaticRe...', Array)
#13 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(946): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\StaticRe...')
#14 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(872): RectorPrefix202411\Illuminate\Container\Container->resolveClass(Object(ReflectionParameter))
#15 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(837): RectorPrefix202411\Illuminate\Container\Container->resolveDependencies(Array)
#16 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build('Rector\\Autoload...')
#17 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\Autoload...', Array)
#18 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(946): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\Autoload...')
#19 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(872): RectorPrefix202411\Illuminate\Container\Container->resolveClass(Object(ReflectionParameter))
#20 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(837): RectorPrefix202411\Illuminate\Container\Container->resolveDependencies(Array)
#21 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(277): RectorPrefix202411\Illuminate\Container\Container->build('Rector\\Console\\...')
#22 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(806): RectorPrefix202411\Illuminate\Container\Container->RectorPrefix202411\Illuminate\Container\{closure}(Object(Rector\Config\RectorConfig), Array)
#23 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build(Object(Closure))
#24 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\Console\\...', Array)
#25 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(496): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\Console\\...')
#26 [internal function]: RectorPrefix202411\Illuminate\Container\Container->RectorPrefix202411\Illuminate\Container\{closure}()
#27 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/ContextualBindingBuilder.php(72): iterator_to_array(Object(RectorPrefix202411\Illuminate\Container\RewindableGenerator))
#28 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Util.php(40): RectorPrefix202411\Illuminate\Container\ContextualBindingBuilder->RectorPrefix202411\Illuminate\Container\{closure}(Object(Rector\Config\RectorConfig))
#29 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(922): RectorPrefix202411\Illuminate\Container\Util::unwrapIfClosure(Object(Closure), Object(Rector\Config\RectorConfig))
#30 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(872): RectorPrefix202411\Illuminate\Container\Container->resolvePrimitive(Object(ReflectionParameter))
#31 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(837): RectorPrefix202411\Illuminate\Container\Container->resolveDependencies(Array)
#32 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build('Rector\\Console\\...')
#33 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(653): RectorPrefix202411\Illuminate\Container\Container->resolve('Rector\\Console\\...', Array)
#34 /var/www/html/sugar/vendor/rector/rector/src/DependencyInjection/LazyContainerFactory.php(244): RectorPrefix202411\Illuminate\Container\Container->make('Rector\\Console\\...')
#35 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(806): Rector\DependencyInjection\LazyContainerFactory::Rector\DependencyInjection\{closure}(Object(Rector\Config\RectorConfig), Array)
#36 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(706): RectorPrefix202411\Illuminate\Container\Container->build(Object(Closure))
#37 /var/www/html/sugar/vendor/rector/rector/vendor/illuminate/container/Container.php(663): RectorPrefix202411\Illuminate\Container\Container->resolve('RectorPrefix202...')
#38 /var/www/html/sugar/vendor/rector/rector/bin/rector.php(129): RectorPrefix202411\Illuminate\Container\Container->get('RectorPrefix202...')
#39 /var/www/html/sugar/vendor/rector/rector/bin/rector(5): require_once('/var/www/html/s...')
#40 {main}

If you're running Sugar < 25, you likely installed rector in the sugar's install directory (where ./vendor is) causing incompatibilities.

just uninstall rector and install it anywhere else.

Child process timed out after 120 seconds

 [ERROR] Could not process                                                                                              
         "/path/to/sugar/rector-0.15.20/vendor/symplify/easy-parallel/src/ValueObject/ParallelProcess.php"  
         file, due to:                                                                                                  
         "Child process timed out after 120 seconds". On line: 108

try to add the following to the end of rector.php:

$rectorConfig->parallel(900);

Reached system errors count limit of 50, exiting...

 [ERROR] Could not process some files, due to:                                                                          
         "Reached system errors count limit of 50, exiting...".

try to add the following to the end of rector.php:

$rectorConfig->disableParallel();

Troubleshooting Rector

Rafael Fernandes — Thu, 20 Apr 2023 14:33:07 GMT

Revision 1 posted to Dev Tutorials by Rafael Fernandes on 4/20/2023 2:33:07 PM