Jeremy,
The issue is easily reproducible in plain psql.
It has nothing to do with jdbc driver.
It has nothing to do with date-time either.
> I think you'll find initial executions (Bind) use the paramater type org.postgresql.core.Oid.UNSPECIFIED for the date
time.
Does $1 = '180', $2 = '1' or $3 = '7728' look like a date-time value?
Vladimir