'OperationalError: (_mysql_exceptions.OperationalError) (2001, "Can\'t create UNIX socket (-1)")

[Handerson Contreras]

Hello!!

Someone know about this error (2001, "Can\'t create UNIX socket (-1)")?

I'm using Google CloudSQL that works with MySQL,  but sometime I get this mistake, I've detected sometimes happen when there are tasks in execution in background.

These tasks are executed by deferred library and when I do deploy, I think the tasks lost the connection and throw this exception.

What do you think?

How can i resolve this problem?

Thansk.

[Alex Martelli]

In http://stackoverflow.com/questions/20057190/operationalerror-2001-cant-create-unix-socket-1-django-on-google-app , the issue was caused by a wrong setting for `HOST` (via Django, and you don't tell us what framework or library you're using, but whatever framework or library you're using, eventually the host must be set right).

The fix in that case of course was just to set the host correctly.

Alex

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[Handerson Contreras]

Sorry. the framework is not Django is ferris-3 (Is to work with Google Endpoints) and my ORM is Alchemy 1.0 and my settings connection is the next:

create_engine('mysql+gaerdbms:///notifications?instance=myinstance:mydb')

and I've tested this settings 

return create_engine('mysql+mysqldb://root@localhost/mydbx_socket=/cloudsql/myinstance:mydb')

but also don't work.