Exceptions during installation

Last update: Thu Jul 27 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

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This article provides a possible solution for the issues with installing Adobe Commerce using Web Setup Wizard.

Affected products and versions

Adobe Commerce (all deployment methods) 2.2.x, 2.3.x
Magento Open Source 2.2.x, 2.3.x

Issue

Exceptions display during installation. Users have reported a variety of exceptions, including the following:

Module 'Magento_Indexer':
Running recurring..
[ERROR] exception 'Exception' with message 'Recoverable Error: Argument 1 passed to Magento\Indexer\Model\Config\Data::__construct() must be an instance of Magento\Framework\Indexer\Config\Reader, instance of Magento\Indexer\Model\Config\Reader given, called in /home/magento2_dev/
public_html/generated/code/Magento/Indexer/Model/Config/Data/Interceptor.php on line 14 and defined in /home/magento2_dev/public_html/
app/code/Magento/Indexer/Model/Config/Data.php on line 22' in /home/magento2_dev/public_html/lib/internal/Magento/Framework/App/ErrorHandler.php:67
Stack trace:
#0 /home/magento2_dev/public_html/app/code/Magento/Indexer/Model/Config/Data.php(22): Magento\Framework\App\ErrorHandler->handler(4096,
'Argument 1 pass...', '/home/magento2...', 22, Array)
#1 /home/magento2_dev/public_html/generated/code/Magento/Indexer/Model/Config/Data/Interceptor.php(14): Magento\Indexer\Model\Config\Data->
__construct(Object(Magento\Indexer\Model\Config\Reader), Object(Magento\Framework\App\Cache\Type\Config), Object(Magento\Indexer\Model\Resource\Indexer\State\Collection), 'indexer_config')
#2 /home/magento2_dev/public_html/lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php(103): Magento\Indexer\Model\Config\Data\Interceptor->__construct(Object(Magento\Indexer\Model\Config\Reader), Object(Magento\Framework\App\Cache\Type\Config),
Object(Magento\Indexer\Model\Resource\Indexer\State\Collection), 'indexer_config')

... more ...

Solution

Clear the <magento_root>/generated/code and other directories under var and generated as follows:

rm -rf <magento_root>/generated/code/* <magento_root>/generated/metadata/* <magento_root>/var/cache/*

After clearing the directories, try the installation again.

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