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Running JViews servlets in a UNIX headless environment

Article ID: 2218
Last updated: 29 May, 2018
Revision: 2
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Posted: 06 Nov, 2007
by Dean J.
Updated: 29 May, 2018
by Gargani A.

Question

How do I run a JViews servlet in a UNIX headless environment?

Answer

Using a Java application on a Linux or Solaris machine requires an X server to be running on the system. Unfortunately, most of the time UNIX servers do not have graphics hardware and hence no real X servers running.

Depending on the JDK and JViews module you are using, there are various solutions to make your web servers (using JViews servlets) work in a headless environment.

  • Since JDK 1.4, it is possible to use the Sun headless support feature. JViews supports this mode since JViews 5.5.
  • JDK 1.3.x and earlier: run a virtual X server like xvfb as described on Oracle's website.
  • Pure Java AWT Toolkit (PJA) is another option to consider, but due to a bug in the current PJA version (2.4) you should not use this third-party product with the Gantt or Charts servlets.

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folder Visualizations -> JViews -> Charts
folder Visualizations -> JViews -> Diagrammer
folder Visualizations -> JViews -> Enterprise
folder Visualizations -> JViews -> Gantt
folder Visualizations -> JViews -> Maps
folder Visualizations -> JViews -> Maps for Defense
folder Visualizations -> JViews -> TGO

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