Google Cloud SQL MySQL 8.0 only accepting connections after external connection

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                          I upgraded mysql from 5.7 to 8.0.37 on GCP Cloud SQL. Now, when the db is restarted (manually or for maintenance), it does not accept connections from a GCP Cloud Run Java server with this error:

    java.sql.SQLException: Access denied for user

Only when I log in via some external tool (IntelliJ DataGrip JDBC in my case) everything suddenly starts to work as soon as the connection is established.
What could be the problem?

Asked by cputoaster (101 rep)

Oct 31, 2024, 08:16 AM
Last activity: Oct 31, 2024, 08:27 AM

Google Cloud SQL MySQL 8.0 only accepting connections after external connection

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