JMF in Unix-Shell: No X11 DISPLAY variable was set

Hello guys
I've got a client-server application. The server runs on linux and is started in the unix-shell.
When the server just sends out data which was received before, everything works fine. But when I'm using a processor (or a player) it says:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
How can I avoid this problem?
Thanks in advance,
Chris

VladimrN wrote:
..No X11 DISPLAY variable was set, but this program performed an operation which requires it.Sounds like the problem of running in a headless environment. A google on "java headless x11" seems to turn up a number of hits.

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No X11 DISPLAY variable was set

Hi,
UCM 11g is installed in the unix server. I connected to the server thru putty and run the batch loader (/.BatchLoader.sh), im getting the below error.
No X11 DISPLAY variable was set, but this program performed an operation which r
equires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:1
59)
at java.awt.Window.<init>(Window.java:432)
at java.awt.Frame.<init>(Frame.java:403)
at java.awt.Frame.<init>(Frame.java:368)
at javax.swing.JFrame.<init>(JFrame.java:158)
at intradoc.apps.shared.SplashFrame.<init>(SplashFrame.java:48)
at intradoc.apps.shared.AppLauncher.reportOperationError(AppLauncher.jav
a:386)
at intradoc.apps.shared.AppLauncher.reportError(AppLauncher.java:426)
at intradoc.apps.shared.AppLauncher.reportFatal(AppLauncher.java:442)
at BatchLoader.main(BatchLoader.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at intradoc.loader.IdcClassLoader.invokeMain(IdcClassLoader.java:338)
at intradoc.loader.IdcClassLoader.startMain(IdcClassLoader.java:171)
... 1 more
How can we rectify this.

http://support.oracle.com
https://support.oracle.com/CSP/ui/flash.html#tab=KBHome(page=KBHome&id=()),(page=KBNavigator&id=(bmDocTitle=How%20to%20Launch%20Content%20Server%20Command%20Line%20Applets%20Using%20X11%20Forwarding%20Over%20SSH&viewingMode=1143&bmDocID=445469.1&bmDocType=HOWTO&from=BOOKMARK&bmDocDsrc=KB))

No X11 DISPLAY variable

Hi ,
I am trying to start the Admin ACC from dynadmin. But when i click Start ACC in server VM . I am getting following error.
The ATG Control Center could not be started. Dynamo received the following error message from the JVM: java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it.
Please help me to fix the issue.
Thanks ;
Mark

ACC is Java Swing based client UI so it requires a display. Try setting this on the shell where you are starting your server if you are on the same host:
export DISPLAY=:0.0
You might want to restart your server after setting this if you want to start ACC in server VM.
In case you are using PuTTY to tunnel through the UNIX machine then check if "Enable X11 Forwarding" is selected in PuTTY settings. You can find that option under Connection -> SSH -> Tunnels

Unable to execute runInstaller: Check if the DISPLAY variable is set

I am unable to run the Oracle Installer (runInstaller) on my Solaris10 client (Windows Vista PC). The IP address of my PC is 192.168.0.191 and the IP address of the remote Sun server (from which I am invoking the runInstaller) is 192.168.0.192.
COULD ANYONE PLEASE HELP ME WITH THE FOLLOWING ERROR. Thank you in advance.
Database server machine: Solaris 10
Client machine: Windows vista
Connected via: SecureCRT with X11 packet forwarding enabled
---( ERROR )-----------------------------------------------------------
oracle@pvsparc$ id -a
uid=100(oracle) gid=102(oinstall) groups=102(oinstall),100(dba),101(oper)
oracle@pvsparc$
oracle@pvsparc$ echo $DISPLAY
192.168.0.191:0.0
oracle@pvsparc$
oracle@pvsparc$ ./runInstaller
Starting Oracle Universal Installer...
Checking installer requirements...
Checking operating system version: must be 5.8, 5.9 or 5.10. Actual 5.10
Passed
Checking Temp space: must be greater than 250 MB. Actual 2073 MB Passed
Checking swap space: must be greater than 500 MB. Actual 2160 MB Passed
Checking monitor: must be configured to display at least 256 colors
>>> Could not execute auto check for display colors using command /usr/openwin/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,at which time they will be rechecked.
Continue? (y/n) [n]
-------------------------------------------------------------------------------

I don't know XMing, but for CygWin, you have to use a Cygwin windows to enable the XClient, not an external tool. Did you use the XMing tool windows, or did you continue with SecureCRT ?
Steps for Cygwin :
1. install from http://cygwin.com/setup.exe
2. choose installation from internet
3. the following server worked for me http://cygwin.cybermirror.org
4. ensure the following packages are check :
xorg-x11-base (2 KiB; required, automatically selects a base set of packages for the typical installation)
xorg-x11-bin (1.2 MiB; optional, executables for xterm, twm, etc.)
xorg-x11-bin-dlls (2 MiB; optional, libraries (DLLs) for executables.)
xorg-x11-bin-lndir (5 KiB; optional, lndir program, useful for developing)
xorg-x11-devel (964 KiB; optional, additional files needed to compile programs for Cygwin/X)
xorg-x11-etc (335 KiB; required, configuration files for the X Server and programs in xorg-x11-bin)
xorg-x11-f100 (12 MiB; optional, 100 dpi fonts (75 dpi fonts are used by default))
xorg-x11-fcyr (368 KiB; optional, Cyrillic fonts)
xorg-x11-fenc (489 KiB; required, font encodings)
xorg-x11-fnts (16.4 MiB; required, 75 dpi fonts)
xorg-x11-fscl (2.2 MiB; optional, Speedo and Type1 scalable fonts)
xorg-x11-fsrv (201 KiB; optional, X Font Server)
xorg-x11-libs-data (154 KiB; required, X11R6/lib/ files)
xorg-x11-man-pages (551 KiB; optional, man pages)
xorg-x11-man-pages-html (596 KiB; optional, man pages in html format)
xorg-x11-nest (1.1 MiB; optional, Xnest nested X Server)
X-start-menu-icons (4 KiB; optional, adds icons for X Clients to the Start menu)
X-startup-scripts (22 KiB; required, example X Server and client startup scripts)
xorg-x11-vfb (1.2 MiB; optional, X Virtual Frame Buffer (Xvfb) server)
xorg-x11-xwin (1.3 MiB; required, the Cygwin/X X Server)
xorg-x11-xwin-gl (761 KiB; optional, the Cygwin/X X Server with ***EXPERIMENTAL*** GLX acceleration)You may also want to ensure that the inetutils and openssh packages are selected if you wish to use telnet and ssh to connect to remote machines.
5. open the Cygwin icon on your desk
6. run the following command in the new opened window (a DOS window command) :
sh /usr/X11R6/bin/startxwin.sh7. from the new window (a X window session), run
ssh -Y RemoteServerIPaddress8. test by runing a xlock command
Nicolas.

Cannot execute autocheck DISPLAY variable not set Oracle 10g Solaris 10

Hallo!I am a total Solaris newbie. I am trying to install Oracle 10g on Solaris 10 but when I run the runInstaller,th following error appears
Could not execute auto check for display colors using command /usr/openwin/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<I have set the display parameters in the oracle user via command
$ export DISPLAY=joey-solaris:0.0
The SUNWxwplt is installed.
How do I resolve this?
Thanks

4joey1 wrote:
xclock can run as root user but not as oracle user
by doing
$ export DISPLAY=joey-solaris:0.0
I think its similar to
$ DISPLAY=workstation_name:0.0
$ export DISPLAY
as shown from your reference http://download.oracle.com/docs/cd/B19306_01/install.102/b15697/app_ts.htm#sthref1226 but still the error appears.
Thanks.Assuming you are connecting to the solaris box from you workstation via telnet or ssh ...
Do you have an x-server (such as Exceed or xming) running on your workstation?
Did you set DISPLAY to the ip of your workstation, not the solaris server?
DISPLAY is redirecting "x" output to the specified location (your workstation), and there needs to be an x-server running at that location.

Re: Failed to Start Deployment Server -- X Window DISPLAY variable not set

I don't know how you have hit that in an normal environment:-( Can you describe what you did? As long as you start the bundled AppServer in the same environment as Creator, both need the DISPLAY set.
A guess, did you try to install Creator as root and then use it as normal user? Don't do that. Creator is intended to be installed by the user who will use it!
I know our updated JDK now throws different exceptions when the DISPLAY variable is not set than the one before. I found that (but too late for the release) and have the needed change. But so far I was not aware that any customer had actually hit that. So it was not considered a high enough priority to go into a hotfix. I'll file a CR and the fix will hopefully make it into a patch.
As a short term workaround for that problem (But I still believe your setup has other problems):
Go into <Creator_home>/SunAppServer8/lib/ and replace processLauncher.xml with the backup (processLauncher.xml.bak).
The only thing you will loose, is the little icon in the Gnome/KDE/SystemTray.
I hope this helps,
Thanks,
-- Marco

I don't know how you have hit that in an normal environment:-( Can you describe what you did? As long as you start the bundled AppServer in the same environment as Creator, both need the DISPLAY set.
A guess, did you try to install Creator as root and then use it as normal user? Don't do that. Creator is intended to be installed by the user who will use it!
I know our updated JDK now throws different exceptions when the DISPLAY variable is not set than the one before. I found that (but too late for the release) and have the needed change. But so far I was not aware that any customer had actually hit that. So it was not considered a high enough priority to go into a hotfix. I'll file a CR and the fix will hopefully make it into a patch.
As a short term workaround for that problem (But I still believe your setup has other problems):
Go into <Creator_home>/SunAppServer8/lib/ and replace processLauncher.xml with the backup (processLauncher.xml.bak).
The only thing you will loose, is the little icon in the Gnome/KDE/SystemTray.
I hope this helps,
Thanks,
-- Marco

X11 DISPLAY troubles

Hi,
We've been developing a Web Application in Windows, using the Sun Java System Application Server Platform 9 installed on the same PC. Just now, we want to move the web application into a Red Hat Linux Server, also with the Sun Application Server, and run the application with a host PC wih Windows. The application starts OK, but launches an exception (cited below) when it has to open a 'File Dialog Box'. The exception is:
Servlet.service() for servlet Faces Servlet threw exception
java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
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Actually, the Red Hat Linux has no graphical environment.
How to solve this problem? It's compulsory to have a graphical environment in the server?
Thanks a lot!!
Xavi.

Your app apparently has a GUI, but you're running the program without a GUI. Do you see the conflict there?
Linux (usually) uses X11 as its GUI toolkit. The error message you're seeing is saying that it's trying to use X11, but the way you're running the program, X11 hasn't been properly set up.
A good way to deal with this is:
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3) connect to your linux box. Either:
3.1) use the xhost utility to configure your PC's X server to accept
connections from your linux box, and then set the DISPLAY variable
on your linux box
or
3.2) use X11 tunnelling (e.g., if you're using putty) when connecting to
your linux box
4) then you can run the program

Generate RMAN backup Script using unix shell script

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Issue in starting Oracle 11g Installation - Display Variable

Hi Experts,
I am getting the below error message when I run ./runinstaller
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also, xclock was failed before executing ./runinstaller,
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All,
The issue is solved, I was using Xmanager and when I test xclock, sometimes it was working and sometimes it was not,
I suspect the issue is with vpn, but am not sure.
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@ Reagan Benjamin and Nick loy
output of echo $DISPLAY for user orasid is same as root
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Ias 10.1.2 and DISPLAY variable

Hi all.
In production I have installed aix server (5.3) with ebs 11.5.10.2 and ias 10.1.2 (in new ORACLE_HOME). Everything works fine, but to make it clear, i need help regarding DISPLAY variable.
On ebs 11i, DISPLAY variable is set to non existing IP address for X server and everything works fine, only need Xvnc up.
On IAS 10.1.2, Xvnc is up and i have to set DISPLAY variable to X-Win server on second win machine. In this case everything works.
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Thanks
Boris

Hi,
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Is there any way to access the value of a Unix Shell environment variable from within a PL/SQL Procedure, either directly or via a middle-tier such as a SQL script?
Thanks for any help provided.

If you just need what an environment variable is at the start of the program (changes during aren't important) you can pass it into java at the command like.
For instance, in one of my programs I needed the display variable $DISPLAY. That's not going to change after I start the program so I just did this.
java -DXDISPLAY=$DISPLAY myMain
the -D switch lets you set the java properties at the command line. Now inside of java code I can write.
System.getProperty("XDISPLAY");
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Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.

Hi,
I'm running WebLogic 5.1 sp10 on a Solaris box and I get the
following error:
java.rmi.RemoteException: java.lang.InternalError: Can't connect to
X11 window server using ':0.0' as the value of the DISPLAY variable.
     at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
     at sun.awt.X11GraphicsEnvironment.(X11GraphicsEnvironment.java:59)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:120)
     at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:58)
     at java.awt.Font.initializeFont(Font.java:264)
     at java.awt.Font.(Font.java:298)
     at com.hrw.xls.EmailXLSThread.getCellWidth(EmailXLSThread.java:162)
caused by the following code fragment:
Font f = new Font(fontName, fontStyle, fontHeight);
FontMetrics fm = (new Panel()).getFontMetrics(f);
Have I just forgotten to set an environment variable? I would prefer
not to install bulky pieces of software, but if that's what it takes
to get over this error, so be it.
Thanks, Dave A.

A Java AWT, X11 problem posted in the weblogic ejb newsgroup. I haven't been in here for long, but
that has to be a first.
If you have the DISPLAY env variable set to :0.0, you have to be at the console on a Solaris box
running the XServer. 'xdm' I think is the code that has to be running. Also, I think the format is
<hostname:0.0> or better <hostname:0> unless you are on a multi-headed workstation. Something like:
export DISPLAY=hostname:0
where hostname is the name of the host running an XServer and the .xhosts file allows access to the
XServer from the display client.
Apparently, you are not at the console?
Anyway, I don't think there is a newsgroup here that I could even recommend to cross-post this to as
it is not a WebLogic question. I think I would try the Discussion Forums at http://java.sun.com.
Bill
"D. Alvarado" wrote:
Hi,
I'm running WebLogic 5.1 sp10 on a Solaris box and I get the
following error:
java.rmi.RemoteException: java.lang.InternalError: Can't connect to
X11 window server using ':0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.(X11GraphicsEnvironment.java:59)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:120)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:58)
at java.awt.Font.initializeFont(Font.java:264)
at java.awt.Font.(Font.java:298)
at com.hrw.xls.EmailXLSThread.getCellWidth(EmailXLSThread.java:162)
caused by the following code fragment:
Font f = new Font(fontName, fontStyle, fontHeight);
FontMetrics fm = (new Panel()).getFontMetrics(f);
Have I just forgotten to set an environment variable? I would prefer
not to install bulky pieces of software, but if that's what it takes
to get over this error, so be it.
Thanks, Dave A.

DIsplay variable setting ReflectionX in Bash shell

Everyone,
Can somebody help me with setting display variable for running Configtool in ReflectoinX in Bash shell.
Appreciate your time. Thanks.

> It looks like it will work..only thing is that we need to set display variable..i assume.
If you logon as <sid>adm then no DISPLAY (or other variable) must be set if you use XDMCP.
> I am doing sudo for opening a java tool which needs x window..other x windows like visual admin is working fine but for configtool, i am getting this error saying display variable is not set.
That's what I was saying - do not switch users (sudo, su etc.) - that will delete the environment and invalidate .Xauthority.
> I am not given the <sid>adm password, can i just use X window with sudo OR do i need to get the <sid>adm password to start the configtool..
In that case I would not use XCMCP to connect but a pure telnet, do sudo and then set the DISPLAY to
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Markus

How could I get unix shell variable value?

I want to get a unix shell variable value because I will use it in my java program. For example $HOME, I have wrote like below,
Runtime runtime = Runtime.getRuntime();
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Other than passing them as params to your program, the only way to read them runtime is either pipe them thru a stream or use JNI.

JMF in Unix-Shell: No X11 DISPLAY variable was set

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