Java app engine app connectivity issue with cloud sql

[SwamiSitaram]

Hi Team,

I am currently facing the connectivity to Cloud SQL in our Java App Engine application. Facing the error after upgrading java8 to java17. I have encountered the following error message. String jdbcUrl = String. format("jdbc:mysql://google/%s?cloudSqlInstance=%s&socketFactory=com.google.cloud.sql.mysql.SocketFactory&user=%s&password=%s", DATABASE_NAME, INSTANCE_CONNECTION_NAME, USERNAME, PASSWORD); Error with this code: "Could not initialize class com.google.cloud.sql.mysql.SocketFactory", "java. lang.ClassNotFoundException: com.mysql.jdbc.GoogleDriver