First download your data as described here.

Then install Charles Proxy App, start the proxy. Set in Proxy -> Proxy Settings to use not the 8888 port.

Finally start your development server and run this in the console.

$ python /path/to/library/google_appengine_python_1.5.5/appcfg.py upload_data –url=http://localhost:8888/remote_api –file=test.csv –application=your_app_id –email=you@gmail.com –passin

From the command line

$ python /path/to/library/google_appengine_python_1.5.5/appcfg.py download_data –application=your_app_id –url=http://app_name.appspot.com/remote_api –filename=test.csv

1. You DONT’T have to include JSTL support in your web.xml
2. In your JSP put this attribute: isELIgnored=”false” ie: <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1" isELIgnored="false" %>

http://www.infoq.com/news/2009/08/google-chose-jetty

http://www.ibm.com/developerworks/java/library/j-gaestorage/?ca=drs-

http://code.google.com/p/remote-datastore/

You can use this lib http://code.google.com/p/webserviceservlet/

Here

http://turbomanage.wordpress.com/2010/02/09/generic-dao-for-objectify-2/

http://turbomanage.wordpress.com/2009/10/07/calling-appengine-securely-from-gwt-with-gwt-dispatch/