object SimpleApp extends App{

        Class.forName("com.mysql.jdbc.Driver")
        val jdbcUsername = "root"
        val jdbcPassword = "mysqladmin"
        val jdbcHostname = "XXXXXXX"
        val jdbcPort = 3306
        val jdbcDatabase ="XXXXXX"

         val ImgPath = new File("C:\Users\ezswapr\IdeaProjects\DataStructure\org.priyaranjan.ds\src\output\" + "Desert.jpg")
         val fileinput = new FileInputStream(ImgPath)
         val reader =new InputStreamReader(fileinput,"UTF-8") // Converting byte sream to character stream of UTF-8


         val jdbcUrl = s"jdbc:mysql://${jdbcHostname}:${jdbcPort}/${jdbcDatabase}?user=${jdbcUsername}&password=${jdbcPassword}"
         val connection = DriverManager.getConnection(jdbcUrl, jdbcUsername, jdbcPassword)
         val stmt = connection.createStatement();
         val sql= s""" create table test_blob (data mediumtext) DEFAULT CHARSET=utf8"""
         stmt.executeUpdate(sql)

         val ps= connection.prepareStatement("insert into test_blob(data) values(?);")
         ps.setCharacterStream(1,reader)
         ps.execute()
         connection.isClosed()
    }

Exception in thread "main" java.sql.SQLException: Incorrect string value: 'xF0x94x91xA9xEFxBF...' for column 'data' at row 1
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:121)
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:116)
    at com.mysql.cj.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1867)
    at com.mysql.cj.jdbc.PreparedStatement.execute(PreparedStatement.java:1155)
    at SimpleApp$.delayedEndpoint$SimpleApp$1(SarojCode.scala:74)
    at SimpleApp$delayedInit$body.apply(SarojCode.scala:18)
    at scala.Function0$class.apply$mcV$sp(Function0.scala:34)
    at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
    at scala.App$$anonfun$main$1.apply(App.scala:76)
    at scala.App$$anonfun$main$1.apply(App.scala:76)
    at scala.collection.immutable.List.foreach(List.scala:381)
    at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
    at scala.App$class.main(App.scala:76)
    at SimpleApp$.main(SarojCode.scala:18)
    at SimpleApp.main(SarojCode.scala)