Need to displaying number of videos displaying in Curosol using selenium -


need displaying number of videos displaying in curosol using selenium.

tried xpath : 

homepagenumberofplaylist_xpath = //div[@class='jcarousel']/descendant::ul/descendant::li  driver.findelement(by.xpath("homepagenumberofplaylist_xpath")).getsize();

enter image description here

but getting error

java.lang.illegalargumentexception: cannot find elements when xpath expression null.

thanks in advance.


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