How to eleiminate Selenium NoClassDefFoundError for SSLContext

Question

I started learning selenium last week. While tying to open browser using selenium it shows "main" java.lang.NoClassDefFoundError: org/apache/http/ssl/SSLContexts

Can anybody help me in this?

My code

public class TutorialsPointDownload {   

    public static void main(String[] args) {

            FirefoxProfile profile = new FirefoxProfile();

        profile.setAcceptUntrustedCertificates(true);

        profile.setAssumeUntrustedCertificateIssuer(false);

        WebDriver driver = new FirefoxDriver(profile);

        driver.get("https://www.tutorialspoint.com/software_testing_dictionary/acceptance_testing.htm");

        driver.findElement(By.xpath("/html/body/div[3]/div[1]/div/div[1]/aside/div[2]/div/ul[1]"));

        List<WebElement> we = driver.findElements(By.tagName("a"));

        System.out.println(we.size());

     }

}

Output

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/ssl/SSLContexts

    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.getSocketFactory(SSLConnectionSocketFactory.java:172)

    at org.openqa.selenium.remote.internal.HttpClientFactory.getClientConnectionManager(HttpClientFactory.java:71)

    at org.openqa.selenium.remote.internal.HttpClientFactory.<init>(HttpClientFactory.java:57)

    at org.openqa.selenium.remote.internal.HttpClientFactory.<init>(HttpClientFactory.java:60)

    at org.openqa.selenium.remote.internal.ApacheHttpClient$Factory.getDefaultHttpClientFactory(ApacheHttpClient.java:252)

    at org.openqa.selenium.remote.internal.ApacheHttpClient$Factory.<init>(ApacheHttpClient.java:229)

    at org.openqa.selenium.remote.HttpCommandExecutor.getDefaultClientFactory(HttpCommandExecutor.java:96)

    at org.openqa.selenium.remote.HttpCommandExecutor.<init>(HttpCommandExecutor.java:70)

    at org.openqa.selenium.remote.HttpCommandExecutor.<init>(HttpCommandExecutor.java:58)

    at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:87)

    at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)

    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:119)

    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:216)

    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:211)

    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:207)

    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:124)

    at TutorialsPointDownload.main(TutorialsPointDownload.java:57)

Caused by: java.lang.ClassNotFoundException: org.apache.http.ssl.SSLContexts

    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

Dependencies

<dependency>

        <groupId>org.apache.httpcomponents</groupId>

        <artifactId>httpcore</artifactId>

        <version>4.3.3</version>

    </dependency>