Re: [google-cloud-sql-discuss] Re: "Lost connection to MySQL server" in Cloud Proxy

Can you verify that you can connect to port 3307 on your instance from your GCE VM?

You can do a simple check using telnet on your GCE VM:

$ telnet <INSTANCE IP> 3307

If it gets stuck on "Trying IP..." then we know it's not able to connect.

I have verified that everything is running properly so if you are not able to connect via telnet it's likely the connection is being blocked somewhere (for example if you have GCE firewall rules or inside your VM)

By the way, when using proxy connectivity, you don't need to worry about updating "Authorized Networks". 

On Tue, Mar 15, 2016 at 2:59 AM 小川純平 <ogawa@growaspeople.org> wrote:

Hi,

I successfully started instance, but still the same error is happening.
I also tried on another DB instance, and the same results.

I confirmed External IP of GCE instances which mysql client runs on are registered in Authorized Networks of Cloud SQL.

Any idea to solve this?

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