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    <h3>Editing: ControllerDoesNotReturnResponseException.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Exception;

/**
 * @author Grégoire Pineau &lt;lyrixx@lyrixx.info&gt;
 */
class ControllerDoesNotReturnResponseException extends \LogicException
{
    public function __construct(string $message, callable $controller, string $file, int $line)
    {
        parent::__construct($message);

        if (!$controllerDefinition = $this-&gt;parseControllerDefinition($controller)) {
            return;
        }

        $this-&gt;file = $controllerDefinition['file'];
        $this-&gt;line = $controllerDefinition['line'];
        $r = new \ReflectionProperty(\Exception::class, 'trace');
        $r-&gt;setAccessible(true);
        $r-&gt;setValue($this, array_merge([
            [
                'line' =&gt; $line,
                'file' =&gt; $file,
            ],
        ], $this-&gt;getTrace()));
    }

    private function parseControllerDefinition(callable $controller): ?array
    {
        if (\is_string($controller) &amp;&amp; str_contains($controller, '::')) {
            $controller = explode('::', $controller);
        }

        if (\is_array($controller)) {
            try {
                $r = new \ReflectionMethod($controller[0], $controller[1]);

                return [
                    'file' =&gt; $r-&gt;getFileName(),
                    'line' =&gt; $r-&gt;getEndLine(),
                ];
            } catch (\ReflectionException $e) {
                return null;
            }
        }

        if ($controller instanceof \Closure) {
            $r = new \ReflectionFunction($controller);

            return [
                'file' =&gt; $r-&gt;getFileName(),
                'line' =&gt; $r-&gt;getEndLine(),
            ];
        }

        if (\is_object($controller)) {
            $r = new \ReflectionClass($controller);

            try {
                $line = $r-&gt;getMethod('__invoke')-&gt;getEndLine();
            } catch (\ReflectionException $e) {
                $line = $r-&gt;getEndLine();
            }

            return [
                'file' =&gt; $r-&gt;getFileName(),
                'line' =&gt; $line,
            ];
        }

        return null;
    }
}
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