TYPO3 Core

This works in TYPO3 7.6, but somehow the file dump thinks it is in frontend mode and tries to get the list of frontend user groups, which do not exists.

Uncaught TYPO3 Exception
explode() expects parameter 2 to be string, null given 

TypeError thrown in file
/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Database/Query/Restriction/FrontendGroupRestriction.php in line 36.

15 explode(",", NULL)

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Database/Query/Restriction/FrontendGroupRestriction.php:
00034:     public function __construct(array $frontendGroupIds = null)
00035:     {
00036:         $this->frontendGroupIds = $frontendGroupIds === null ? explode(',', $GLOBALS['TSFE']->gr_list) : $frontendGroupIds;
00037:     }
00038: 

14 TYPO3\CMS\Core\Database\Query\Restriction\FrontendGroupRestriction::__construct()

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Utility/GeneralUtility.php:
03889:         }
03890:         // Create new instance and call constructor with parameters
03891:         $instance = new $finalClassName(...$constructorArguments);
03892:         // Register new singleton instance
03893:         if ($instance instanceof SingletonInterface) {

13 TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance("TYPO3\CMS\Core\Database\Query\Restriction\FrontendGroupRestriction")

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Database/Query/Restriction/AbstractRestrictionContainer.php:
00091:     protected function createRestriction($restrictionClass)
00092:     {
00093:         return GeneralUtility::makeInstance($restrictionClass);
00094:     }
00095: }

12 TYPO3\CMS\Core\Database\Query\Restriction\AbstractRestrictionContainer::createRestriction("TYPO3\CMS\Core\Database\Query\Restriction\FrontendGroupRestriction")

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Database/Query/Restriction/FrontendRestrictionContainer.php:
00045:     {
00046:         foreach ($this->defaultRestrictionTypes as $restrictionType) {
00047:             $this->add($this->createRestriction($restrictionType));
00048:         }
00049:     }

11 TYPO3\CMS\Core\Database\Query\Restriction\FrontendRestrictionContainer::__construct()

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Utility/GeneralUtility.php:
03889:         }
03890:         // Create new instance and call constructor with parameters
03891:         $instance = new $finalClassName(...$constructorArguments);
03892:         // Register new singleton instance
03893:         if ($instance instanceof SingletonInterface) {

10 TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance("TYPO3\CMS\Core\Database\Query\Restriction\FrontendRestrictionContainer")

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Resource/AbstractRepository.php:
00203:         $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
00204:         if ($this->getEnvironmentMode() === 'FE') {
00205:             $queryBuilder->setRestrictions(GeneralUtility::makeInstance(FrontendRestrictionContainer::class));
00206:         }
00207:         $row = $queryBuilder

9 TYPO3\CMS\Core\Resource\AbstractRepository::findByUid("371")

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Controller/FileDumpController.php:
00063:                 }
00064:             } else {
00065:                 $file = GeneralUtility::makeInstance(ProcessedFileRepository::class)->findByUid($parameters['p']);
00066:                 if ($file->isDeleted()) {
00067:                     $file = null;

8 TYPO3\CMS\Core\Controller\FileDumpController::dumpAction(TYPO3\CMS\Core\Http\ServerRequest, TYPO3\CMS\Core\Http\Response)
7 call_user_func_array(array, array)

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Http/Dispatcher.php:
00039:         $targetIdentifier = $request->getAttribute('target');
00040:         $target = $this->getCallableFromTarget($targetIdentifier);
00041:         return call_user_func_array($target, [$request, $response]);
00042:     }
00043: 

6 TYPO3\CMS\Core\Http\Dispatcher::dispatch(TYPO3\CMS\Core\Http\ServerRequest, TYPO3\CMS\Core\Http\Response)

/home/phil/t3-playground/t3-git/typo3/sysext/frontend/Classes/Http/EidRequestHandler.php:
00125:             $dispatcher = GeneralUtility::makeInstance(Dispatcher::class);
00126:             $request = $request->withAttribute('target', $configuration);
00127:             return $dispatcher->dispatch($request, $response);
00128:         }
00129: 

5 TYPO3\CMS\Frontend\Http\EidRequestHandler::dispatch(TYPO3\CMS\Core\Http\ServerRequest)

/home/phil/t3-playground/t3-git/typo3/sysext/frontend/Classes/Http/EidRequestHandler.php:
00073:         // Remove any output produced until now
00074:         $this->bootstrap->endOutputBufferingAndCleanPreviousOutput();
00075:         return $this->dispatch($request);
00076:     }
00077: 

4 TYPO3\CMS\Frontend\Http\EidRequestHandler::handleRequest(TYPO3\CMS\Core\Http\ServerRequest)

/home/phil/t3-playground/t3-git/typo3/sysext/core/Classes/Core/Bootstrap.php:
00309: 
00310:         // Execute the command which returns a Response object or NULL
00311:         $this->response = $requestHandler->handleRequest($request);
00312:         return $this;
00313:     }

3 TYPO3\CMS\Core\Core\Bootstrap::handleRequest(TYPO3\CMS\Core\Http\ServerRequest)

/home/phil/t3-playground/t3-git/typo3/sysext/frontend/Classes/Http/Application.php:
00078:     public function run(callable $execute = null)
00079:     {
00080:         $this->bootstrap->handleRequest(\TYPO3\CMS\Core\Http\ServerRequestFactory::fromGlobals());
00081: 
00082:         if ($execute !== null) {

2 TYPO3\CMS\Frontend\Http\Application::run()

/home/phil/t3-playground/t3-git/index.php:
00027: call_user_func(function () {
00028:     $classLoader = require rtrim(realpath(__DIR__ . '/typo3'), '\\/') . '/../vendor/autoload.php';
00029:     (new \TYPO3\CMS\Frontend\Http\Application($classLoader))->run();
00030: });

1 {closure}()

/home/phil/t3-playground/t3-git/index.php:
00028:     $classLoader = require rtrim(realpath(__DIR__ . '/typo3'), '\\/') . '/../vendor/autoload.php';
00029:     (new \TYPO3\CMS\Frontend\Http\Application($classLoader))->run();
00030: });