En l'instant précis du 13/11/07 12:45, Yann Mauon s'exprimait en ces
termes:
Dear all,
I have the following problem. I deployed an applicaton on Tomcat and recieve
the following error when I try to display an image generated on the server :
java.awt.HeadlessException
at
java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
You have defined java.awt.headless to true but are doing operation that
requires a screen (aka non-headless environment). Make your environment
non-headless to solve problem
Previously, I had the
java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation
which requires it.
error, but fixed it by adding -Djava.awt.headless=true argument.
Does someone have an idea to solve this trouble without remove the use of
javax.swing.JFrame ?
You didn't fix it, you just told java there was no screen. As it says,
"No X11 Display variable was set". Provide your java environement with
an access to a X11 display and everything will run fine.
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