Java – How to Download Existing Google App Engine Project

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 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/ -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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