<u><a href="http://www.google.com">text</a></u>

ul{url{http://www.google.com}}

usepackage{ulem}

Text: uline{url{http://test.com/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/}}

usepackage{soul}

Text: ul{url{http://test.com/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/uline-text/}}

! Argument of hyper@n@rmalise has an extra }.
l.9 ...ne-text/uline-text/uline-text/uline-text/}}