Symfony 4 Doctrine not working from console [2002] No such file or directory

问题

I´m working with symfony 4 and this error ocurr when runnning doctrine console commands:

In AbstractMySQLDriver.php line 108:

An exception occurred in driver: SQLSTATE[HY000] [2002] No such file or directory  

I think this is because there´s something wrong with the connection but when I run the application it has access to the database without errors, so I can not imagine what is wrong with the connection.

I was able to continue working by creating manually the database and using

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

But this is really unwanted because later when the schema needs to be updated all data would be lost because i would need to re-create the schema instead of updating it.

The app works normally after executing manually the SQL (easyadmin works fine).

Here are my configurations:

.ENV:

DATABASE_URL=mysql://root:root@127.0.0.1:3306/test

doctrine.yaml:

parameters:
     env(DATABASE_URL): ''

doctrine:
    dbal:
       driver: 'pdo_mysql'
       server_version: '5.7'
       charset: utf8mb4

I tried the drop command just to test and it throwed this:

In DropDatabaseDoctrineCommand.php line 93:


Connection does not contain a 'path' or 'dbname' parameter and cannot be dropped.  

So I add dbname to doctrine.yaml and didn´t worked. I also tried removing the cache, creating a new project, using a remote mysql, and using sqlite but the errors are the same in both cases !!

Thanks in advance for the help !

回答1:

Please change DB_HOST=localhost to DB_HOST=127.0.0.1

> doctrine/doctrine-bundle

DATABASE_URL=mysql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}

回答2:

So i suppose that you showed the whole content of your doctrine.yml.

If so, you might want to consider changing your doctrine.yml as follows: add an additional line in the dbal: section

doctrine:
    dbal:
       driver: 'pdo_mysql'
       server_version: '5.7'
       charset: utf8mb4
       url: '%env(resolve:DATABASE_URL)%'

Watch the last line, beginning with url:, closely.

The 'resolve:" operator looks up DATABASE_URL in your env-Variables and if it is found, it then replaces the expression with its content.

This is a doctrine.yml, that gets auto-generated by symfony.

The 'resolve' operator migth not be needed though. This could potentially work too:

doctrine:
    dbal:
       driver: 'pdo_mysql'
       server_version: '5.7'
       charset: utf8mb4
       url: '%env(DATABASE_URL)%'

This method is proposed in the symfony docs, which might be interesting to read, to understand further configuration of symfony.

回答3:

My fix is here:

export DATABASE_URL=<value from .env>

And generating SQLs works :)

回答4:

config/packages/doctrine.yaml

I solved this error adding my database url in the "config/packages/doctrine.yaml" file the "parameters" > "env(DATABASE_URL)" field:

parameters:
     # Adds a fallback DATABASE_URL if the env var is not set.
     # This allows you to run cache:warmup even if your
     # environment variables are not available yet.
     # You should not need to change this value.
     env(DATABASE_URL): 'mysql://your_db_url'

回答5:

I solved this change in .env file

DATABASE_URL=mysql://root:root@127.0.0.1:3306/test 

to

DATABASE_URL="mysql://root:root@127.0.0.1:3306/test"

I added quotes. Maybe you are using windows? It works for me.

like in Symfony docs: Environment Variables

来源：https://stackoverflow.com/questions/48135522/symfony-4-doctrine-not-working-from-console-2002-no-such-file-or-directory