Issue happened because one of ignite server nodes was down. Queries were successful after servers restarted. Attaching logs from client.
ignite-1835519d.log <http://apache-ignite-users.70518.x6.nabble.com/file/t2730/ignite-1835519d.log> -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/
