Hi, after some researches i have find a solution to this issues. The problem was from the Hive table definition for storing data. I was defining some properties of my table like this : hive.createTable("res_idos_0") .ifNotExists() .prop("serialization.encoding","UTF-8") .prop("escape.delim" , "\t") .column("t_date","TIMESTAMP")   But when we are in writeStream and we use special characters, the use of property escape.delim is note supported and we can't save characters correctly.   So, i have removed the property escape.delim in my hive table definition and i had also added this line in my code for being certain that file save in HDFS have the right encoding. System.setProperty("file.encoding", "UTF-8")     ... View more