Date x = new Date();

...

String SQL = "select a.1, a.2 from b JOIN a ON b.id = a.b_id where b.name = ? and a.type = ? and a.date = ?";

A istance = jdbcTemplate.queryForObject(SQL, new Object[]{variable_1, variable_2, x}, new EventInfoAndIdMapper());

String SQL = "select a.1, a.2 from b JOIN a ON b.id = a.b_id where b.name = ? and a.type = ? and DATE(a.date) = ?";