enter image description here - I have around 40 items in my Drop down and I can see it by scrolling down in Gui - But when I inspect the DOM, I can see the code for only 10. I can see the rest only when I scroll it in GUI. (Mean to say- items are loaded in DOM only when I scroll) - I tried to pick the 11th item from the drop down using xpath. So I scrolled it using Java script and then waited for few seconds for items to be loaded and then tried to pick it using xpath. But getting stale element exception.

My katalon code: driver.findElement(By.xpath("//input[@role='combobox']")).click();

List options = driver.findElements(By.xpath("//ng-dropdown-panel//div[@role='option']"));

KeywordUtil.logInfo("effectiveDate Size: "+options.size())

for(int i=1;i < options.size();i++) {

   if ( options.get(i).getText().trim().equals("01/01/2016")) {

          KeywordUtil.logInfo("True: "+options.get(i).getText())





          String str=driver.findElement(By.xpath("//ng-dropdown-panel//div[@role='option']["+i+"]")).getAttribute("id")

          KeywordUtil.logInfo("id: "+str)

          String[] a=str.split("-");

          WebElement abc = driver.findElement(By.xpath("//ng-dropdown-panel//div[contains(@id,'-"+Integer.parseInt(a[1])-1+"')]"))

          ((JavascriptExecutor)driver).executeScript("arguments[0].scrollIntoView(true);", abc);

          //WebElement abc = driver.findElements(By.xpath("//ng-dropdown-panel"))


          //((JavascriptExecutor)driver).executeScript("arguments[0].scrollIntoView(true);", options.get(i));


// WebElement r=driver.findElement(By.xpath("//ng-dropdown-panel//div[@role='option']"))

// ((JavascriptExecutor)driver).executeScript("window.scrollBy(0,document.body.scrollHeight)");

// options = driver.findElements(By.xpath("//ng-dropdown-panel//div[@role='option']"));

// WebElement scroll = driver.findElement(By.xpath("//ng-dropdown-panel//div[@role='option']"));

// scroll.sendKeys(Keys.PAGE_UP);



  • Please provide the page source and example of your code + exact error. – Prome Feb 12 at 7:41

This is likely to happen because you are using some WebElement (that you have located before you scroll) as the base for inner elements lookup.

After you had scrolled, the dom was rebuilt so that your "base" element went stale.

Try to find your elements after scroll using your driver as the search context. Not the elements you have located before.

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