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How do I start the Tomcat server for gridMathematica?

gridMathematica uses a Tomcat server for the administration of the grid system. At times, it may need to be started manually.

Windows

Wolfram Lightweight Grid is installed as a service. The status can be modified via the Services application.

  1. Start the Services application.
  2. Locate the Wolfram Lightweight Grid Manager service toward the top of the list. Right-click it and select Start to launch the service.
  3. Verify that the status has changed to Running.

macOS

Wolfram Lightweight Grid runs as a launchd-compliant daemon. The plist file is named com.wolfram.lightweightGridManager.plist and is located in /Library/LaunchDaemons.

  1. Launch the Terminal application.
  2. Enter the command below to start the Tomcat server:
    sudo launchctl load 
    /Library/LaunchDaemons/com.wolfram.lightweightGridManager.plist 
  3. You are prompted for your administrator password in order to restart the service.

To check whether the server was started successfully, navigate to localhost:3737 in a browser and verify that the main Status webpage appears.

Linux

Wolfram Lightweight Grid runs as a background process or daemon.

  1. Open a terminal.
  2. Enter the command below to start the Tomcat server:
     sudo systemctl start wolframlightweightgrid 

    In older Linux distributions, use:

     sudo /etc/init.d/wolframlightweightgrid start 
  3. You are prompted for your administrator password in order to restart the service.

To check whether the server was started successfully, navigate to localhost:3737 in a browser and verify that the main Status webpage appears.

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