XML : Parse xml with xpath for jaxb

I want to use ArrayList with url from xml:

  <rss version="2.0" xmlns:mailru="https://news.mail.ru/">      <channel>        <item>           <enclosure url="https://news.mail.ru/pic/a7/a4/main24128764_eb1fd077a98a69823f0661e5ccb4b505.jpg#620#388" type="image/jpeg" />...    

I use this:

  @XmlPath("channel/item/enclosure/[@url]/text()")       private ArrayList <String> urls;    

but it is not work. Please help.