My Google AppEngine PHP application fail to connect to Google Cloud SQL at 10:42 29/10/2019 UTC+8

[William Au-Yeung]

but I cannot find any error log in Cloud SQL and Appengine

do any one have the same issue?

[Yasser Karout]

Hello,

You can use this doc on connection issues as a checklist to make sure everything is setup correctly [1]. 

Otherwise, I suggest posting this on Stackoverflow with more details about your setup and and code.

[1] https://cloud.google.com/sql/docs/mysql/diagnose-issues#connection