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Denodo Headless installation on Amazon EC2

Related to: Headless installation
I am planning to install Denodo express in EC2 instance and I see the error. - ERROR - java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. Even I used the documentation for the headless installation - https://community.denodo.com/kb/view/document/Installation%20&%20Updates/Headless%20installation But still i see the same error as below. please help. sudo java -DDENODO_AUTOINSTALL_FILE=ENABLED -jar denodo-install-5.5.dat - ERROR - java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. 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:207)
user
14-07-2015 08:35:47 -0400

1 Answer

Hello, As referenced in the Headless installation guide (https://community.denodo.com/kb/view/document/Installation%20&%20Updates/Headless%20installation) you need a machine with graphical support in the initial step: “1. First, it is needed to perform a temporary installation in a machine with graphical support“ The command you are trying to run is for this machine with graphical support. In the step 4 you see the command to run for the silent installation (java -jar denodo-install-5.5.dat denodo-platform-autoinstall.xml). If you cannot perform this temporary installation to get the “autoinstallation” file you can start from the given xml example that appears on the guide. Hope this helps.
Denodo Team
14-07-2015 10:20:37 -0400
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