When Generating Thumbnails, Error Appears in Tomcat Logs "No X11 DISPLAY variable was set" Due to Tomcat Running without a Display (Doc ID 960070.1)

Last updated on NOVEMBER 27, 2022

Applies to:

Symptoms

Thumbnails are not generated after attachments are added, or the ThumbnailGeneratorUtility is run.

Thumbnails are enabled and attachments are of supported type.

The thumbnail 'in progress' icon is displayed instead of  the actual thumbnail.



Error in the Tomcat logs:

Caused by: java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Label.<init>(Label.java:133)
at java.awt.Label.<init>(Label.java:115)
at com.cimmetry.util.Util.<clinit>(Unknown Source)
... 46 more
Nov 2, 2010 2:57:31 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /Filemgr threw load() exception
java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Label.<init>(Label.java:133)
at java.awt.Label.<init>(Label.java:115)
at com.cimmetry.util.Util.<clinit>(Unknown Source)
at com.cimmetry.common.BackgroundColorConfiguration.setProfile(Unknown Source)
at com.cimmetry.common.Configuration.setProfile(Unknown Source)

Changes

Cause

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