Statement: org.hsqldb.jdbc.JDBCPreparedStatement@4ead7f15[sql=[SELECT * FROM NTTEAM WHERE HRF_ID=?], parameters=[[null]]] java.sql.SQLSyntaxErrorException ...

I am trying to do a small PoC using Spring Cloud GCP for Postgres using IAM authentication based on Cloud SQL connector however I get this exception on runtime: Caused by: java.lang.ClassCastException ...