Error message: Unable to find child element in Selenium WebDriver

I'm currently dealing with a registration page where I encountered an issue.

During my testing phase, I attempted to register without inputting a first name. Upon clicking the register button, I expected to see a 'Required' notification label.

The structure of the page can be viewed in the screenshot provided. I tried different methods such as xpath and id to locate the text from the element with id 'firstName', but it seems like all attempts were unsuccessful.

Here is my latest approach: 

String test = driver.findElement(By.id("'firstName'/descendant::td[@class='alert alert-danger']")).getText();`

Can anyone help point out what I might be overlooking?

https://i.stack.imgur.com/7xViI.png

cssseleniumselenium-webdriverxpathdescendant

Answer №1

Attempt using the code 

By.cssSelector("#firstName + registration-control-messages > div.alert")

The By selector you have chosen is incorrect.

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