I get the same error when trying the key as a string. here are some screen shots of the code, error, and table structure
table_stucture.png <http://apache-ignite-users.70518.x6.nabble.com/file/t1892/table_stucture.png> code.png <http://apache-ignite-users.70518.x6.nabble.com/file/t1892/code.png> error.png <http://apache-ignite-users.70518.x6.nabble.com/file/t1892/error.png> -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/
