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Thread: Help with JAVA, trying to unpack a program.

  1. #1

    Exclamation Help with JAVA, trying to unpack a program.

    I'm trying to unpack and install a program with JAVA on the command line but when I type "sudo java -jar..etc" it gives me this:


    Code:
    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)
            at java.awt.Window.<init>(Window.java:535)
            at java.awt.Frame.<init>(Frame.java:420)
            at java.awt.Frame.<init>(Frame.java:385)
            at javax.swing.SwingUtilities$SharedOwnerFrame.<init>(SwingUtilities.java:1755)
            at javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1830)
            at javax.swing.JOptionPane.getRootFrame(JOptionPane.java:1697)
            at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:863)
            at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:667)
            at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:638)
            at com.izforge.izpack.installer.GUIInstaller.showFatalError(Unknown Source)
            at com.izforge.izpack.installer.GUIInstaller.<init>(Unknown Source)
            at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
            at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
            at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
            at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
            at java.lang.Class.newInstance(Class.java:374)
            at com.izforge.izpack.installer.Installer.main(Unknown Source)
    Exception in thread "main" java.lang.ExceptionInInitializerError
            at com.birosoft.liquid.LiquidLookAndFeel.loadIconImmediately(LiquidLookAndFeel.java:903)
            at com.birosoft.liquid.LiquidLookAndFeel.loadIcon(LiquidLookAndFeel.java:881)
            at com.birosoft.liquid.LiquidLookAndFeel.initComponentDefaults(LiquidLookAndFeel.java:685)
            at javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:148)
            at javax.swing.UIManager.setLookAndFeel(UIManager.java:536)
            at javax.swing.UIManager.setLookAndFeel(UIManager.java:580)
            at com.izforge.izpack.installer.GUIInstaller.loadLookAndFeel(Unknown Source)
            at com.izforge.izpack.installer.GUIInstaller.init(Unknown Source)



    Does anyone know what might be the problem? this is kinda frustrating, I hope someone knows.

  2. #2
    Join Date
    Feb 2009
    Location
    Spain
    Posts
    25,547

    Default Re: Help with JAVA, trying to unpack a program.

    On 2014-01-07 04:06, theuniverse wrote:

    > Code:
    > --------------------
    > java.awt.HeadlessException:
    > No X11 DISPLAY variable was set, but this program performed an operation which requires it.



    > --------------------
    >
    >
    > Does anyone know what might be the problem? this is kinda frustrating, I
    > hope someone knows.


    You have to run it on a terminal in graphical mode, that's one. And if
    that is not enough, you need to use "su -", not sudo - if it is going to
    be a system program; if it is going to be installed on your home, use
    neither sudo nor su.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 12.3 x86_64 "Dartmouth" at Telcontar)

  3. #3

    Default Re: Help with JAVA, trying to unpack a program.

    thanks. How do I run the terminal on graphical mode?

  4. #4
    Join Date
    Feb 2009
    Location
    Spain
    Posts
    25,547

    Default Re: Help with JAVA, trying to unpack a program.

    On 2014-01-07 05:06, theuniverse wrote:
    >
    > thanks. How do I run the terminal on graphical mode?


    Main menu, System, click on any of the terminal entries, choose the one
    you like.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 12.3 x86_64 "Dartmouth" at Telcontar)

  5. #5

    Thumbs up Re: Help with JAVA, trying to unpack a program.

    I finally got it to work, the thing is I had installed the JAVA plugin for firefox from a tar archive and removed Icedtea along with OpenJDK, so I just reinstalled OpenJDK and typed the "java -jar" command without being root and it worked like a charm.

    I just hope there won't be a conflict between Icedtea and JAVA on firefox, because Icedtea simply didnt work for me.

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