1

I have upgraded Magento from 2.2.4 to 2.4.0, i have custom modules that are not compatible with the new Magento version. So i disabled the module but when i run

 php bin/magento setup:di:compile

I got this error

In ClassReader.php line 43:
                                                                  
Class Magento\Framework\Search\Adapter\Mysql\Mapper does not exist  
                                                                  

In ClassReader.php line 36:
                                                                  
Class Magento\Framework\Search\Adapter\Mysql\Mapper does not exist
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3
  • Are you getting error in any extension ?
    – Vrajesh Patel
    Commented Jul 31, 2021 at 7:17
  • 1
    Yes in custom extension shopby from Amasty
    – tarek fellah
    Commented Jul 31, 2021 at 16:41
  • Remove var/cache/* and generated/* before running compile commands
    – Raul Sanchez
    Commented Aug 2, 2021 at 6:15

3 Answers 3

Reset to default
2

Class Magento\Framework\Search\Adapter\Mysql\Mapper is not exist in magento 2.4, it's exist in magento2.2.X and magento2.3.X version for error resolution you need to upgrade your third party extension for magento2.4.x version.

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4
  • I have removed the module folder, but why if i disable it, it gives an error related to the disabled module?
    – tarek fellah
    Commented Aug 2, 2021 at 13:58
  • Please share the error.
    – Madani Hardik
    Commented Aug 2, 2021 at 14:01
  • In ClassReader.php line 43: Class Magento\Framework\Search\Adapter\Mysql\Mapper does not exist In ClassReader.php line 36: Class Magento\Framework\Search\Adapter\Mysql\Mapper does not exist
    – tarek fellah
    Commented Aug 2, 2021 at 14:45
  • Please find same class in your another third party modules same class they are used or not. OR disable the third party modules one by one and after check.
    – Madani Hardik
    Commented Aug 2, 2021 at 15:00
1

Did you tried all of this?

rm -rf var/*
rm -rf generated/*
rm -rf pub/static/*
php bin/magento cache:clean
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento cache:clean
php bin/magento indexer:reindex
php bin/magento setup:static-content:deploy -f
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1

Try to run the command :-

composer dump-autoload
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1
  • it doesn't work
    – tarek fellah
    Commented Jul 31, 2021 at 16:40

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