ok: there is another solution to the headless thing: (I wrote a
graphical servlet that runs on a linux box without X, and had the same
problems: The headless seemed to work, well, kinda, but not to my
liking): So I went the xvfb route: This is a virtual frame buffer to can
install on a linux box that emulates an X session, which then kinda
solves all the graphical problems in one step. You set the xvfb to the
resolution required and just start and forget about it.
Worth I shot, I'd say, and might safe you hours of frustration [It did
me ;-) ].
On Thu, 2003-03-20 at 18:34, Micael wrote:
> You using Linux? What is your environment? Anyway, setting the JVM is the
> way to go if you are using Linux.
>
> At 06:09 PM 3/20/03 +0100, you wrote:
> >Hi,
> >
> >I put System.setProperty("java.awt.headless", "true");
> >in my servlet init method it's ok, but now when I open a Frame,
> >I get the exception HeadlessException:
> >
> >java.awt.HeadlessException
> > at
> > java.awt.GraphicsEnvironnement.checkHeadless(GraphicsEnvironement.java:121)
> > at java.awt.window.<init>(Window.java:226)
> > at java.awt.Frame.<init>(Frame.java:398)
> > ...
> >
> >What can I do?
> >
> >Georges
> >
> >
> >
> >Chad Johnson wrote:
> >
> >>If I had to wager a guess you'll need to run tomcat in a 'headless' JVM.
> >>To do that add :
> >>
> >>-Djava.awt.headless=true
> >>
> >>To the :
> >>
> >>CATALINA_OPTS
> >>
> >>environment variable.
> >>
> >>-Chad Johnson
> >>
> >>-----Original Message-----
> >>From: Georges Roux [mailto:[EMAIL PROTECTED] Sent: Tuesday,
> >>March 18, 2003 5:32 PM
> >>To: [EMAIL PROTECTED]
> >>Subject: Can't connect to X11 window server using '0:0' as the value of
> >>the display
> >>
> >>
> >>Hello everybody,
> >>
> >>Hi run Tomcat 4.1.18 Standalone on Linux debian(sid)and use
> >>J2sdk1.4.1_01.
> >>
> >>I have a servlet which manipulate exif informations in jpg images. it
> >>works well but when I try to run it on tomcat it fails (error 500)
> >>
> >>I have the following error:
> >>"Can't connect to X11 window server using '0:0' as the value of the
> >>display"
> >>
> >>What can I do?
> >>
> >>Georges
> >>
> >>
> >>---------------------------------------------------------------------
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> >>
> >>
> >>
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> >>
> >
> >--
> >
> >18:54 18:54 connard
> >18:55 18:54 t'as que ca a faire? ;)
> >18:56 18:55 je m'ennuies ferme ouais ! encore 5mn avant la fin du taf,
> > donc j'en profite pour passer dans les fortunes :)
> >
> >
> >+==========================================+
> >| |
> >| Georges Roux |
> >| URL : georgesroux.pacageek.org |
> >| email : [EMAIL PROTECTED] |
> >| mobile : +33 (0) 613977573 |
> >+==========================================+
> >
> >
> >
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