Doctrine ORM 3 support

[stevan-tosic]

API Platform version(s) affected: 3.1.16

Description
The doctrine/orm package version v3.* introduces breaking changes.

How to reproduce

1. Update the doctrine/orm package to version 3.*.
2. Attempt to execute a GET method on a resource that has a OneToMany relation.

Possible Solution
Set an upper version limit for the doctrine/orm package in composer.lock to v2.18.

Additional Context
This issue affects all versions which contain the require block "doctrine/orm": "^2.14" in composer.lock.

[vaybay]

Hello, same problem, downgrade doctrine/orm to 2.18 and it's work !

[ZaneCEO]

I was bitten by this trying to disable the autoincrement on my entities during an import from another system. This is the code to reproduce the problem:

use Doctrine\ORM\Mapping\ClassMetadata;

            $this->entityManager
                ->getClassMetadata('myClass')
                ->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_NONE);

The same code, working perfectly with with 2.x, was:

use Doctrine\ORM\Mapping\ClassMetadataInfo;

            $this->entityManager
                ->getClassMetadata('myClass')
                ->setIdGeneratorType(ClassMetadataInfo::GENERATOR_TYPE_NONE);

[soyuka]

#6193