[google-cloud-sql-discuss] Sporadic connection errors (tcp i/o timeout; cannot fetch oauth token; connection refused)

Hi,

We're using sqlproxy (gcr.io/cloudsql-docker/gce-proxy:1.10) to connect a PHP application running within Google's container engine.

For the most part it's working fine - but every so often we see errors like :

SQLSTATE[HY000] [2002] Connection refused

from the PHP application.

We're also seeing :

2017/09/28 08:04:51 couldn't connect to "<project-name>:europe-west2:<mysql instance name>": Post https://www.googleapis.com/sql/v1beta4/projects/<project-name>/instances/<mysql instance name>/createEphemeral?alt=json: oauth2: cannot fetch token: Post https://accounts.google.com/o/oauth2/token: dial tcp: i/o timeout

In the sqlproxy log.

Any suggestions?

thanks,

David.

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