Symfony 3.4.11 doctrine注意：未初始化的字符串偏移量：0

Question

I am using Symfony and I upgrade to 3.4.11.

But I have a big problem. When I run the command:

php bin/console doctrine:schema:update  --dump-sql

in the terminal I have the next error:

In ClassMetadataInfo.php line 1400:

  Notice: Uninitialized string offset: 0  

Really, I was search and readed the docs and I can't found the error.

Thanks very much

UPDATE

$ php bin/console doc:sch:va  -vvv

Mapping
-------


In ClassMetadataInfo.php line 1400:

  [Symfony\Component\Debug\Exception\ContextErrorException]  
  Notice: Uninitialized string offset: 0                     


Exception trace:
 Doctrine\ORM\Mapping\ClassMetadataInfo->_validateAndCompleteFieldMapping() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php:2355

 Doctrine\ORM\Mapping\ClassMetadataInfo->mapField() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/AnnotationDriver.php:333

 Doctrine\ORM\Mapping\Driver\AnnotationDriver->loadMetadataForClass() at /home/devel/tests4/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/MappingDriverChain.php:102

 Doctrine\Common\Persistence\Mapping\Driver\MappingDriverChain->loadMetadataForClass() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php:151

 Doctrine\ORM\Mapping\ClassMetadataFactory->doLoadMetadata() at /home/devel/tests4/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php:333

 Doctrine\Common\Persistence\Mapping\AbstractClassMetadataFactory->loadMetadata() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php:78

 Doctrine\ORM\Mapping\ClassMetadataFactory->loadMetadata() at /home/devel/tests4/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php:217

 Doctrine\Common\Persistence\Mapping\AbstractClassMetadataFactory->getMetadataFor() at /home/devel/tests4/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php:115

 Doctrine\Common\Persistence\Mapping\AbstractClassMetadataFactory->getAllMetadata() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/SchemaValidator.php:68

 Doctrine\ORM\Tools\SchemaValidator->validateMapping() at /home/devel/tests4/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/Command/ValidateSchemaCommand.php:69

 Doctrine\ORM\Tools\Console\Command\ValidateSchemaCommand->execute() at /home/devel/tests4/vendor/doctrine/doctrine-bundle/Command/Proxy/ValidateSchemaCommand.php:34

 Doctrine\Bundle\DoctrineBundle\Command\Proxy\ValidateSchemaCommand->execute() at /home/devel/tests4/vendor/symfony/console/Command/Command.php:251

 Symfony\Component\Console\Command\Command->run() at /home/devel/tests4/vendor/symfony/console/Application.php:964

 Symfony\Component\Console\Application->doRunCommand() at /home/devel/tests4/vendor/symfony/framework-bundle/Console/Application.php:86

 Symfony\Bundle\FrameworkBundle\Console\Application->doRunCommand() at /home/devel/tests4/vendor/symfony/console/Application.php:248

 Symfony\Component\Console\Application->doRun() at /home/devel/tests4/vendor/symfony/framework-bundle/Console/Application.php:74

 Symfony\Bundle\FrameworkBundle\Console\Application->doRun() at /home/devel/tests4/vendor/symfony/console/Application.php:148

 Symfony\Component\Console\Application->run() at /home/devel/tests4/bin/console:39

Answer 1

Thanks to everyone for try to help me.

I fix my error and I found the correct answer here: https://plus.google.com/+KamilZabdyr/posts/fb5xYGyyyY8

Here the quick fix to a very common error with ORM:

PHP Notice: Uninitialized string offset: 0 in ?/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php

Usually it's thrown because there is a ORM column name tag empty. So check all your model files for any empty name. E.g:

@ORM\Column(name="", type="string", length=12)