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uploading csc via superset give hive connectivity error

dear all,

i have installed hdp3 and setup hive and superset. my hive URL in the superset looks lilke below


when i press the Test Connection button, it give all seems ok alert. and i can see my tables if i scroll down.

but when i try to upload a csv file through superset into my hive database, it give me the following error

(pymysql.err.OperationalError) (1045, "Access denied for user 
'hive'@'' (using password: YES)") (Background on this 
error at:

my superset page looks like below attached picture.

can somebody guide me what is wrong?