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How to Fix it:

1. Remove wkhtmltopdf and related package
$ sudo apt-get remove libqt4-dev qt4-dev-tools wkhtmltopdf

$ sudo apt-get autoremove

2. Install requirement package for compiling
$ sudo apt-get install openssl build-essential libssl-dev libxrender-dev git-core libx11-dev libxext-dev libfontconfig1-dev libfreetype6-dev fontconfig -y

engintekin

@With(Compress.class)
public class Application extends Controller {
    
   public static void index() {
       render();//response will be gzipped
   }
    
}