Java – How to Download Existing Google App Engine Project

March 21, 2016 by Ajitesh Kumar · Leave a comment
This article represents tips on how to download existing google app engine project including its source code (HTML/JSP files).. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos.
Following are steps that need to be taken:

  • Make sure you have JDK installed. Access this page for downloading Java
  • Download Google App Engine SDK for Java. The download file could be found on this page.
  • Unzip the App engine SDK and go to the bin folder using command prompt.
  • Go to your http://appengine.google.com account and get the information such as your app_name and your_app_version.
  • On Windows, execute the command as shown below: 
    <path to appengine-java-sdk>\bin\appcfg.cmd -A <your_app_id>; -V <your_app_version> download_app <output-dir>
  • On linux, execute following command: 
    ./appengine-java-sdk/bin/appcfg.sh -A <your_app_id>; -V <your_app_version> download_app <output-dir>
  • That is it. Above would open the browser asking you the permission to download and sharing you a code which you would copy and paste at the command prompt.
Ajitesh Kumar
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Ajitesh Kumar

I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. I would love to connect with you on Linkedin. Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking.
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