Only local connections are allowed error message for chrome driver

Question

package sample;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.chrome.ChromeDriver;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;

import org.openqa.selenium.WebElement;

import org.openqa.selenium.firefox.FirefoxDriver;

import org.openqa.selenium.support.ui.ExpectedConditions;

import org.openqa.selenium.support.ui.WebDriverWait;

public class Testing {

public static void main(String[] args) {

System.setProperty("webdriver.chrome.driver", "path/to/chromedriver.exe");

        WebDriver driver=new ChromeDriver();

            driver.manage().window().maximize();

            String url = "https://accounts.google.com/signin";

            driver.get(url);

            driver.findElement(By.id("identifierId")).sendKeys("raj8805");

            //driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);      

            WebDriverWait wait=new WebDriverWait(driver, 20);               

            driver.findElement(By.xpath("//span[@class='RveJvd snByac']")).click();         

            driver.manage().timeouts().implicitlyWait(50, TimeUnit.SECONDS);        

            driver.findElement(By.xpath("//input[@class='whsOnd zHQkBf']")).sendKeys("asassassa");             

            driver.findElement(By.xpath("//span[@class='RveJvd snByac']")).click();

    }  

}

while executing the above code in eclipse i got the below error message .

Starting ChromeDriver 74.0.3729.6 (255758eccf3d244491b8a1317aa76e1ce10d57e9-refs/branch-heads/3729@{#29}) on port 47876
Only local connections are allowed.

if any one can help me with the reason .