How does Selenium Annotation "@FindBy" work when it returns no element?

Question

If @FindBy returns no element, do we get error as I saw @FindBy could be used to get 0 to multiple elements.

Scenario: @FindBy(id = "btn") private WebElement searchButton; //allows single element to be referenced

Case 1: If we have no elements having id as "btn", then what would be the result? Case 2: If we have multiple elements having id as "btn",then what would be the result?

Please clarify.

Possible duplicate of [What is the use of Annotation "@FindBy"?](https://stackoverflow.com/questions/9028757/what-is-the-use-of-annotation-findby) — Max Vollmer, Sep 17 '18 at 07:42

score 0 · Answer 1 · answered Sep 17 '18 at 07:55

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You won't receive an error when calling PageFactory.initElements, element that wasn't found will be set to null. However you will get NullPointerException when you try to use the element.

answered Sep 17 '18 at 07:55

Guy

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score 0 · Answer 2 · edited Sep 18 '18 at 08:01

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Case 1: If we have no elements having id as "btn", then what would be the result?

org.openqa.selenium.NoSuchElementException: no such element: Unable to locate element: {"method":"name","selector":"<invalid name>"}

Case 2: If we have multiple elements having id as "btn",then what would be the result?

Since we have multiple elements, we could not do any actions due to ambiguity.

org.openqa.selenium.WebDriverException: unknown error: cannot focus element

edited Sep 18 '18 at 08:01

Rob

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answered Sep 17 '18 at 10:02

Mukunthan Ragavan

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Please don't publish answer to a question through multiple parts. Instead publish your self answer within a single answer space. – undetected Selenium Sep 17 '18 at 12:52
I have updated this answer with the second part of your answer. – undetected Selenium Sep 17 '18 at 12:55

How does Selenium Annotation "@FindBy" work when it returns no element?

2 Answers2