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

I run Cloud SQL Proxy client via cron (@reboot) but when I tried to kill proxy client process and re-run it, additional error message is shown (maybe by Cloud SQL Proxy client)

$ sudo /usr/local/bin/cloud_sql_proxy -dir=/tmp/cloudsql -fuse &
2016/03/16 04:20:22 Mounting "/tmp/cloudsql"...
2016/03/16 04:20:22 Mounted "/tmp/cloudsql"
2016/03/16 04:20:22 Socket prefix: /tmp/cloudsql

$ mysql -u notel -S /tmp/cloudsql/notelcrms:asia-east1:productions
2016/03/16 04:20:57 couldn't connect to "notelcrms:asia-east1:productions": POST "https://www.googleapis.com/sql/v1beta4/projects/notelcrms/instances/productions/createEphemeral": 403 Forbidden; Body="{\n \"error\": {\n \"errors\": [\n {\n \"domain\": \"global\",\n \"reason\": \"insufficientPermissions\",\n \"message\": \"Insufficient Permission\"\n }\n ],\n \"code\": 403,\n \"message\": \"Insufficient Permission\"\n }\n}\n"; read error: <nil>
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0

In the first post of this thread, I thought this error message is shown when -credential_file is not specified, but actually it wasn't shown on my first trial because Proxy client runs from cron.

I will re-check MySQL users registration.

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