Junit/Webdriver - Why my browser is launching twice - selenium

Question

Hi I am new to Webdriver and Junit. Need this puzzle solved. I did a lot of research but couldnt find the one that could help.
So I declared my driver up top as Static Webdriver fd and then trying to run cases on single class files (also tried multiple class files) but everytime I run the browser launches twice. I can seem to debug this problem please help. Here is my code:
package Wspace;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ErrorCollector;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxProfile;
import org.openqa.selenium.firefox.internal.ProfilesIni;
public class Wsinventory {
static WebDriver fd;
#Rule
public static ErrorCollector errCollector = new ErrorCollector();
#Before
public void openFirefox() throws IOException
{
System.out.println("Launching WebSpace 9.0 in FireFox");
ProfilesIni pr = new ProfilesIni();
FirefoxProfile fp = pr.getProfile("ERS_Profile"); //FF profile
fd = new FirefoxDriver(fp);
fd.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
fd.get("http://www.testsite.com");
fd.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);
String ffpagetitle = fd.getTitle(); //ffpagetitle means firefox page title
//System.out.println(pagetitle);
try{
Assert.assertEquals("Webspace Login Page", ffpagetitle);
}catch(Throwable t){
System.out.println("ERROR ENCOUNTERED");
errCollector.addError(t);
}
}
#Test
public void wsloginTest(){
fd.findElement(By.name("User ID")).sendKeys("CA");
fd.findElement(By.name("Password")).sendKeys("SONIKA");
fd.findElement(By.name("Logon WebSpace")).click();
}
#Test
public void switchtoInventory() throws InterruptedException{
Thread.sleep(5000);
fd.switchTo().frame("body"); //Main frame
fd.switchTo().frame("leftNav"); //Sub frame
fd.findElement(By.name("Inventory")).click();
fd.switchTo().defaultContent();
fd.switchTo().frame("body");
}
}

Answer 1

The problem is that your #Before method is running before every test. When you run your second test, it is calling that method again, and throwing away that old instance of FirefoxDriver, and creating a new one (stored in that static instance of driver).
Use #BeforeClass instead.