Heroku Symfony 3.2 Push rejected, failed to compile PHP app

Question

I'm having trouble while deploying my symfony web app on heroku, when previously it worked just fine. What could be wrong? This is the build log: http://pastebin.com/DXZH110S

Here is the relevant part of the log:

Generating optimized autoload files

Incenteev\ParameterHandler\ScriptHandler::buildParameters Creating the "app/config/parameters.yml" file Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::buildBootstrap Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache PHP Fatal error: Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load class "SensioGeneratorBundle" from namespace "Sensio\Bundle\GeneratorBundle". Did you forget a "use" statement for another namespace? in /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/app/AppKernel.php:25 Stack trace: #0 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(403): AppKernel->registerBundles() #1 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(113): Symfony\Component\HttpKernel\Kernel->initializeBundles() #2 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Console/Application.php(68): Symfony\Component\HttpKernel\Kernel->boot() #3 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/Console/Appli in /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/app/AppKernel.php on line 25 Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handling the symfony-scripts event terminated with an exception

 [RuntimeException]                                                                                                                                                                                                                  
 An error occurred when executing the "'cache:clear --no-warmup'" command:                                                                                                                                                            
 PHP Fatal error:  Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load class "SensioGeneratorBundle" from namespace "Sensio\Bundle\GeneratorBundle".                                                
 Did you forget a "use" statement for another namespace? in /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/app/AppKernel.php:25                                                                                  
 Stack trace:                                                                                                                                                                                                                        
 #0 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(403): AppKernel->registerBundles()                                                          
 #1 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(113): Symfony\Component\HttpKernel\Kernel->initializeBundles()                              
 #2 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Console/Application.php(68): Symfony\Component\HttpKernel\Kernel->boot()                            
 #3 /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/vendor/symfony/symfony/src/Symfony/Component/Console/Appli in /tmp/build_d39105bc4146e68631d1261a1ca2a632/izio7-YourTeam-15b2d72/app/AppKernel.php on line 25

I would recommend pasting the relevant part of the build log here, and steps you've taken to resolve any errors that came up, otherwise there's not a lot to go on here. — Kateract
– Kateract, Commented Dec 12, 2016 at 23:27

user6373874 · Accepted Answer · 2016-12-13 02:18:25Z

2

Finally I solved, the problem was the system variable SYMFONY_ENV=prod not set. https://devcenter.heroku.com/articles/getting-started-with-symfony#configuring-symfony-to-run-in-the-prod-environment

answered Dec 13, 2016 at 2:18

user6373874

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