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Asked: 2026-06-03T02:38:35+00:00

In my Symfony2 project I’m getting at development mode correct 404 Exception screen. But

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In my Symfony2 project I’m getting at development mode correct 404 Exception screen. But I’m getting blank screen with HTTP status code 500 instead of 404 at production mode. I’m using custom error templates located in app/Resources/TwigBundle/views/Exception. In apache error log it creates this message: 

PHP Fatal error:  Uncaught exception 'Symfony\\Component\\Routing\\Exception\\ResourceNotFoundException' in /home/test/app/cache/prod/appprodUrlMatcher.php:518\nStack trace:
#0 /home/test/app/cache/prod/classes.php(1025): appprodUrlMatcher->match('/404')
#1 /home/test/app/cache/prod/classes.php(4550): Symfony\\Component\\Routing\\Router->match('/404')
#2 [internal function]: Symfony\\Bundle\\FrameworkBundle\\EventListener\\RouterListener->onKernelRequest(Object(Symfony\\Component\\HttpKernel\\Event\\GetResponseEvent))
#3 /home/test/app/cache/prod/classes.php(3777): call_user_func(Array, Object(Symfony\\Component\\HttpKernel\\Event\\GetResponseEvent))
#4 /home/test/app/cache/prod/classes.php(3703): Symfony\\Component\\EventDispatcher\\EventDispatcher->doDispatch(Array, 'kernel.request', Object(Symfony\\Component\\HttpKernel\\Event\\GetResponseEvent))
#5 /home/test/app/cache/prod/classes.php(4787): Symfony\\Component\\EventDispatcher\\EventDispatcher->dispatch('kernel.request', Object(Symfony\\Component\\HttpKernel\\Event\\Get in /home/test/app/cache/prod/classes.php on line 4560
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1 Answer

  1. Editorial Team

    Symfony\Component\Routing\Exception\ResourceNotFoundException means undefined route name. It looks like you’ve got somewhere in your error template {{ path('wrong_route') }}.

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