joe hobson edited this page Aug 8, 2018 · 1 revision


Linux Installation


  • Verify you have CouchDB running:
curl -X GET http://localhost:5984

Should return {"couchdb":"Welcome","version":"1.X.X"}

  • Verify you have the appropriate CouchDB databases:
curl -X http://localhost:5984/_all_dbs

Should return ["community","node","resource_data","_users","network"]


  • Verify you have yajl properly configured by:
 import ijson

If no error is generated, yajl should be working properly.


  • Starting uwsgi
uwsgi --ini-paste development.ini --virtualenv ~/virtualenv/lr/
  • Stopping uwsgi
killall -9 uwsgi

apt-get update

  • If you receive this error, GPG error: lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY XXXXXXXXXXXXXXXX, while attempting to update apt-get, run these commands (replace XXXXXXXX with the last 8 digits of the PUBKEY):
gpg --keyserver --recv XXXXXXXX 
gpg --export --armor XXXXXXXX | sudo apt-key add -
sudo apt-get update


  • If you receive this error, WARNING: the following packages cannot be authenticated! nginx, run the following command
sudo apt-get update && sudo apt-get install nginx

Running the LR code

  • If you receive a lr.lib.model_parser.SpecValidationException: Invalid value for'service_type'expecting one of: '('publish', 'access', 'distribute', 'broker', 'administrative')' instead of '' error or pkg_resources.DistributionNotFound: LR error, be sure to checkout the latest code (0.23.7 as of May 2012)
  • Navigate to your LearningRegistry repository and run the following command
git checkout 0.23.7

Windows Installation

Visual C++ 2008 Express

  1. If you are receiving a message displaying An earlier version of Microsoft Visual Studio 2008 has been detected on the system that must be updated to SP1 before installation can proceed. Please update all other versions of Visual Studio 2008 to SP1 level by visiting Microsoft Update, and then install Visual Studio 2008 Express SP1., follow these instructions:
    • Click the associated Visual Studio 2008 Service Pack 1 link
    • Click Download
    • Click Run and follow setup instructions
      • Click Next
      • Check the I have read and accept the license terms box and click Next


  1. If you are receiving a CMake Error at CMakeLists.txt:58 (SET_TARGET_PROPERTIES):set_target_properties called with incorrect number of arguments message, follow these instructions:
    • In Windows Explorer navigate to your YAJL source folder: [Directory]/Python27/Lib/lloyd-yajl-17b1790/src
    • Right click CMakeLists.txt, hover over Open With and choose your version of Visual Studio
    • Hit enter after the line #### setup shared library version number to start a new line
    • Type:
      • cmake_minimum_required(VERSION 2.8) (Enter)
      • SET(YAJL_MAJOR 1) (Enter)
      • SET(YAJL_MINOR 0) (Enter)
      • SET(YAJL_MICRO 12) (Enter)
    • Click File -> click Save CMakeLists.txt and close the window
    • Hit the Up arrow key in the Visual Studio Command Prompt to retrieve the previous command then hit Enter
    • You should now receive the message Build files have been written to [Directory]

Starting App Server

  1. If you are receiving a pkg_resources.VersionConflict: (WebOb 1.2b2 ([Directory]\python27\lib\site-packages), Requirement.parse('WebOb==1.1.1')) message, follow these instructions:
    • Uninstall WebOb pip uninstall webob
    • Reinstall WebOb with requested version pip install webob==1.1.1
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