error in downloading android sdk plugin in Netbeans 7.1.1

view story

http://stackoverflow.com – While trying to install android sdk on Netbeans 7.1.1, it shows the following error message: the link Unable to connect to the Android development kit provider because of Zero sized file reported at http://kenai.com/downloads/nbandroid/updatecenter/updates.xml, how can i solve it? Where can i get the source file? (HowTos)