title: SeleniumError : org.openqa.selenium.SessionNotCreatedException
body: <p>On doing a <code>driver.close();driver.quit();</code> during the execution of java code, the following error is thrown:</p>
  
  <blockquote>
    <p>Exception in thread "main" org.openqa.selenium.SessionNotCreatedException: Tried to run command without establishing a connection
        Build info: version: '3.6.0', revision: '6fbf3ec767', time: '2017-09-27T16:15:26.402Z'
        System info: host: 'ADMIN-PC', ip: '192.168.1.6', os.name: 'Windows 10', os.arch: 'x86', os.version: '10.0', java.version: '1.8.0_151'
        Driver info: org.openqa.selenium.firefox.FirefoxDriver
        Capabilities [{moz:profile=C:\Users\admin\AppData\Local\Temp\rust_mozprofile.ENTBvl2aDbSs, rotatable=false, timeouts={implicit=0, pageLoad=300000, script=30000}, pageLoadStrategy=normal, moz:headless=false, platform=XP, specificationLevel=0, moz:accessibilityChecks=false, acceptInsecureCerts=true, browserVersion=56.0.2, platformVersion=10.0, moz:processID=5004, browserName=firefox, javascriptEnabled=true, platformName=XP}]
        Session ID: 82e7dabd-c178-4d90-a3f8-84dc3f6ff14f
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:185)
        at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:120)
        at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
        at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:164)
        at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
        at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:586)
        at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:643)
        at org.openqa.selenium.remote.RemoteWebDriver.quit(RemoteWebDriver.java:482)
        at yahoo.main(yahoo.java:34)</p>
  </blockquote>
  
  <p>Sharing code that throws the above exception :</p>
  
  <pre><code>//package basicSeleniumScripts;
  import org.openqa.selenium.WebDriver;
  import org.openqa.selenium.firefox.FirefoxDriver;
  
  public class yahoo {
  
  public static void main(String[] args) {
      String Firefoxdriverpath = "C:\\Marionette\\geckodriver_1.exe";
      WebDriver driver;
  
      System.setProperty("webdriver.gecko.driver",Firefoxdriverpath);
      //create a new instance of Firefox driver
      driver = new FirefoxDriver();
      //Open the page we want to open
      driver.get("http://www.yahoo.com");
      //Defining expected title 
      String expectedTitle = "Yahoo";
      //Getting the actual title
      String actualTitle = null;
      actualTitle = driver.getTitle();
  
      //Validating the TestCase
  
      if (actualTitle.contentEquals(expectedTitle))
      {
          System.out.println("Test Passed");
      }
  
      else 
          {
          System.out.println("Test Failed!!!");
          }
      driver.close();
      driver.quit();
  }
  
  
  }
  </code></pre>