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how to open a new tab in a new window that is opened in selenium firefox webdriver?

What I have tried:

the following code:

public static void main(String[] args) {

System.setProperty("webdriver.firefox.marionette", "some directory"); 
    		   WebDriver driver = new FirefoxDriver();
               driver.get("some url");
               driver.get(By.cssSelector("some button with link")).click();
    		   for(String winHandle : driver.getWindowHandles()){

              driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL +"t");

//everything works fine til here

ArrayList<String> tabs = new ArrayList<String (driver.getWindowHandles());
            	    driver.get("another url");

exception in thread "AWT-EventQueue-0" java.lang.IndexOutOfBoundsException: Index: 1, Size: 1

where could be the problem
Updated 1-Apr-22 3:07am

1 solution


The error message is clearly telling you that you only have one tab in existence, so index 1 is invalid (indexes start at 0). And it is always a bad idea to hard code values for dynamic arrays. The first thing you should do is to check how many tabs are in existence.
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T1xT 1-Apr-22 11:31am    
yes. actually selenium does not consider the main window as a tab; so there is only one tab over there which of course has the index 0.

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