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Setting up a headless environment with Tomcat to display flashboards

If you use a terminal to reach a headless UNIX system where you have installed the web server and

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, you might receive error messages when accessing flashboards through a browser. To make sure that flashboards work from a headless UNIX environment, you must set Java VM options on the servlet engine that controls

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Related topic

Enabling-data-visualization-in-flashboards

To set Java VM options on the servlet engine

  1. In the catalina.sh file, add the following options for JAVA_OPTS near the top of the file:
    • -Djava.awt.headless=true

    • -Dsun.java2d.fontpath= sdkInstallDirectory/JavaHomeFolder/lib/fonts

      Information
      Example

      JAVA_OPTS="-Djava.awt.headless=true -Dsun.java2d.fontpath=/usr/Java/JavaHomeFolder/lib/fonts"

  2. Restart Tomcat for this change to take effect.

Use a similar procedure to add VM options to other servlet engines. See your respective server vendor's documentation for information about configuring Java options.

 

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