Error in using Google+ API in NETBEANS [on hold]

I am making an app in Java(Nebeans) using Google+ API and i am following this tutorial - https://www.youtube.com/watch?v=tVIIgcIqoPw . I downloaded Mercurial ,installed it.JAVA EE in Netbeans is already installed and so is MAVEN. Then i downloaded Google SDK .Then i downloaded Google plugin for Netbeans(I worked exactly same as this site says -- https://kenai.com/projects/nbappengine/pages/NBInstall).Then i opened up my Project,i went to servers and on servers i clicked add server then later i selected google app engine , then selected the location of GOOGLE APP ENGINE SDK (See Img 1== https://www.dropbox.com/s/4pwdcrkgmqlcd6n/1.png?dl=0 ) . Then i went to file new Project , Selected Java Web >> Web Application ,selected NExt then in server and settings tab selected Google App Engine ,in framework unchecked everything,clicked finish.Then i did this (img 2== https://www.dropbox.com/s/yjbfjh2yej8mrgl/2.png?dl=0).It asks for my gmail useame + password, then gives me a code (Img 3=https://www.dropbox.com/s/d8db9c63q1yk07i/3.png?dl=0 ). I enter the code in the application (img 4==https://www.dropbox.com/s/osjn7vt4yktdtyk/4.png?dl=0).Then i press run,So this is what i get (img 5==https://www.dropbox.com/s/u98ex7w9tlxf2ar/5.png?dl=0).Plz help.

NOTE- I have latest versions of Netbeans , JRE ,JDK, MERCURIAl, MAVEn,JAVA EE,etc.