On Mon, Jul 29, 2019 at 2:22 PM Sonam Sharma <sonams1209@xxxxxxxxx> wrote: > Java.lang.illegalstateexception: 3 rows retrieved for single property server is.Checksum. This has nothing to do with PostgreSQL, at least I suspect you have got a query that is not strict and is returning more than a row. You need to provide to us (and yourself) some more information. A good starting point could be to enable logging of queries. Luca