Could not display the GUI. This application needs access to an X Server

Question

Im having problems installing SOAPUI on my Ubuntu 12.04. It throws: "Could not display the GUI. This application needs access to an X Server"

My java version is: java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode)

so i think this is not the problem.. Any help will be appreciated.

Solution

This is a very late reply, but I wasted a lot of time trying to sort this, so I hope someone else will find it useful.

The bundled JRE is a 32-bit version, and it has a dependency on libXtst. On my 64-bit Fedora box, installing the following package fixed it:

# yum install libXtst-1.2.0-3.fc17.i686

Make sure to install the 32-bit version of libXtst (the .i686 in the end).

Comments

[Admin]

no, i thought that because i have read that this problem might happend if you doesnt have installed in your machine the oracle java.. Im running it on my local desktop. The xdpyinfo output is: (and goes on..) name of display: :0 version number: 11.0 vendor string: The X.Org Foundation vendor release number: 11103000 X.Org version: 1.11.3 maximum request size: 16777212 bytes motion buffer size: 256 bitmap unit, bit order, padding: 32, LSBFirst, 32 image byte order: LSBFirst number of supported pixmap formats: 7

[Mohan Chand]

@user1683628: Now the next question: Do you start SOAPUI under your user session, or as a different user, in a different session (i.e. through su, sudo)?

[Admin]

yes i runned the instaler with sudo. also i could install it with -c option, but then SoapUI doesnt run, so maybee is because could not display the gui also

[Mohan Chand]

There's your problem: sudo doesn't hand over the X authentication token, programs started there won't be able to open a connection to the X server. The authentication token usually resides at ${HOME}/.Xauthrority. E.g. it may be /home/foobar/.Xauthority. So open a sudo shell (sudo -s), then therein add the right authority environment (export XAUTHORITY=/home/foobar/.Xauthority), now you should be able to run the installer from within that shell. You must replace /home/foobar with your own home directory of course.

[Bruno]

had no luck with this, the XAUTHORITY is now linked to my user, but still cant display the GUI