Dataset except operation gives different results(dataset count) on Spark 2.3.0 Windows and Spark 2.3.0 Linux environment

// package com.verifyfilter.example;

import org.apache.spark.SparkConf;
import org.apache.spark.SparkContext;
import org.apache.spark.sql.SparkSession;
import org.apache.spark.sql.Column;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Row;
import org.apache.spark.sql.SaveMode;

public class ExcludeInTesting {

public static void main(String[] args) {
SparkSession spark = SparkSession.builder()
.appName("ExcludeInTesting")
.config("spark.some.config.option", "some-value")
.getOrCreate();

Dataset<Row> dataReadFromCSV = spark.read().format("com.databricks.spark.csv")
.option("header", "true")
.option("delimiter", "|")
.option("inferSchema", "true")
//.load("E:/resources/customer.csv"); local //below path for VM
.load("/home/myproject/bda/home/bin/customer.csv");
dataReadFromCSV.printSchema();
dataReadFromCSV.show();
//Adding an extra step of saving to db and then loading it again
dataReadFromCSV.write().mode(SaveMode.Overwrite).saveAsTable("customer");

Dataset<Row> dataLoaded = spark.sql("select * from customer");
//Gender EQ M
Column genderCol = dataLoaded.col("Gender");
Dataset<Row> onlyMaleDS = dataLoaded.where(genderCol.equalTo("M"));
//Dataset<Row> onlyMaleDS = spark.sql("select count(*) from customer where Gender='M'");
onlyMaleDS.show();
System.out.println("The count of Male customers is :"+ onlyMaleDS.count());
System.out.println("*************************************");
// Income in the list
Object[] valuesArray = new Object[5];
valuesArray[0]=503.65;
valuesArray[1]=495.54;
valuesArray[2]=486.82;
valuesArray[3]=481.28;
valuesArray[4]=479.79;

Column incomeCol = dataLoaded.col("Income");
Dataset<Row> incomeMatchingSet = dataLoaded.where(incomeCol.isin((Object[]) valuesArray));
System.out.println("The count of customers satisfaying Income is :"+ incomeMatchingSet.count());
System.out.println("*************************************");

Dataset<Row> maleExcptIncomeMatch = onlyMaleDS.except(incomeMatchingSet);
System.out.println("The count of final customers is :"+ maleExcptIncomeMatch.count());
System.out.println("*************************************");

}

}