DataFrameReader df = new DataFrameReader(spark).format("csv").option("header", true);
Dataset<Row> set=df.load("s3n://"+this.accessId.replace(""", "")+":"+this.accessToken.replace(""", "")+"@"+this.bucketName.replace(""", "")+"/"+this.filePath.replace(""", "")+"");

 set.take(500)

String url ="jdbc:mysql://"+this.hostName+":3306/"+this.dataBaseName+"?user="+this.userName+"&password="+this.password;

SparkSession spark=StartSpark.getSparkSession();

SQLContext sc = spark.sqlContext();

DataFrameReader df = new DataFrameReader(spark).format("csv").option("header", true);
Dataset<Row> set = sc
            .read()
            .option("url", url)
            .option("dbtable", this.tableName)
            .option("driver","com.mysql.jdbc.Driver")
            .format("jdbc")
            .load();
set.take(500);