I am not able to connect private PostgreSQL instance from looker
My database instance hosted on GoogleCloud SQL. It has only private IP and using shared VPC. Not able to connect from looker .
Its giving following error
Cannot connect: connection refused: Java::OrgPostgresqlUtil::PSQLException: The connection attempt failed. JDBC string: jdbc:postgresql://10.125.242.35:5432/cpp?tcpKeepAlive=true&ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory&sslmode=prefer
Please help me to resolve the issue.