title: FAILED CONFIGURATION: @AfterMethod tearDown
body: <p>iam new to selenium webdriver.
  iam trying to run a Testng Test  Parellel on  two browsers but iam  struck,  getting the Following error. when trying to run.</p>
  
  <pre><code>package rough;
  
  
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.Optional;
  import org.testng.annotations.Parameters;
  import org.testng.annotations.Test;
  import org.testng.annotations.BeforeMethod;
  import org.testng.Assert;
  
  import java.util.regex.Pattern;
  import java.util.concurrent.TimeUnit;
  
  import org.junit.*;
  
  import static org.hamcrest.CoreMatchers.*;
  
  import org.openqa.selenium.*;
  import org.openqa.selenium.chrome.ChromeDriver;
  import org.openqa.selenium.firefox.FirefoxDriver;
  import org.openqa.selenium.ie.InternetExplorerDriver;
  import org.openqa.selenium.support.ui.Select;
  
  public class Browsers {
    private WebDriver driver;
    private String baseUrl;
    private boolean acceptNextAlert = true;
    private StringBuffer verificationErrors = new StringBuffer();
  
    @BeforeMethod
    public void tearDown1() throws Exception {
          System.out.println("Hello starting");
    }
    @Parameters("BROWSER")
  public void setUp(@Optional String BROWSER) throws Exception {
  
      //To run test case parallely in different browsers
              if(BROWSER.equalsIgnoreCase("FF"))
              {
              //System.out.println(“Firefox driver would be used”);
              driver = new FirefoxDriver();
              }
              else
              if(BROWSER.equalsIgnoreCase("IE"))
              {
              //System.out.println(“Ie webdriver would be used”);
                  System.setProperty("webdriver.ie.driver", "g:/Selenium Jar Files/IEDriverServer.exe");
              driver = new InternetExplorerDriver();
              }
  
     // driver = new FirefoxDriver();
      baseUrl = "http://book.theautomatedtester.co.uk/";
      driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
    }
  
    @Test
    public void test() throws Exception {
      driver.get(baseUrl + "/chapter1");
      driver.findElement(By.id("radiobutton")).click();
      new Select(driver.findElement(By.id("selecttype"))).selectByVisibleText("Selenium RC");
    }
  
    @AfterMethod
     public void tearDown() throws Exception {
      driver.quit();
    String verificationErrorString = verificationErrors.toString();
   if (!"".equals(verificationErrorString)) {
     Assert.fail(verificationErrorString);
    }
    }
  
    private boolean isElementPresent(By by) {
      try {
        driver.findElement(by);
        return true;
      } catch (NoSuchElementException e) {
        return false;
      }
    }
  
    private boolean isAlertPresent() {
      try {
        driver.switchTo().alert();
        return true;
      } catch (NoAlertPresentException e) {
        return false;
      }
    }
  
    private String closeAlertAndGetItsText() {
      try {
        Alert alert = driver.switchTo().alert();
        String alertText = alert.getText();
        if (acceptNextAlert) {
          alert.accept();
        } else {
          alert.dismiss();
        }
        return alertText;
      } finally {
        acceptNextAlert = true;
      }
    }
  }
  </code></pre>
  
  <p>below is the XML</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd"&gt;
  &lt;suite name="Suite" parallel="True"&gt;
    &lt;test name="Test"&gt;
    &lt;parameter name = "BROWSER" value="FF"&gt;&lt;/parameter&gt;
      &lt;classes&gt;
            &lt;class name="rough.Browsers"/&gt;
      &lt;/classes&gt;
      &lt;test name="Test"&gt;
      &lt;parameter name = "BROWSER" value="IE"&gt;&lt;/parameter&gt;
      &lt;classes&gt;
         &lt;class name="rough.Browsers"/&gt;
      &lt;/classes&gt;
    &lt;/test&gt; &lt;!-- Test --&gt;
  &lt;/suite&gt; &lt;!-- Suite --&gt;
  </code></pre>
  
  <p>Iam getting the stack trace</p>
  
  <pre><code>[TestNG] Running:
    C:\Users\Administrator\AppData\Local\Temp\testng-eclipse--757511090\testng-customsuite.xml
  
  Hello starting
  FAILED CONFIGURATION: @AfterMethod tearDown
  java.lang.NullPointerException
      at rough.Browsers.tearDown(Browsers.java:65)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
      at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:564)
      at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
      at org.testng.internal.Invoker.invokeMethod(Invoker.java:786)
      at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
      at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
      at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
      at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
      at org.testng.TestRunner.privateRun(TestRunner.java:767)
      at org.testng.TestRunner.run(TestRunner.java:617)
      at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
      at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
      at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
      at org.testng.SuiteRunner.run(SuiteRunner.java:240)
      at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
      at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
      at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
      at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
      at org.testng.TestNG.run(TestNG.java:1057)
      at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
      at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
      at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
  </code></pre>
  
  <p>Please help me </p>