我正在嘗試在我的Linux機器(Slackware)上安裝Java應用程序。

我收到了以下錯誤，我不明白。

你能告訴我如何處理這個問題嗎？ 謝謝。

這是我得到的:(我看到需要設置一些X11 DISPLAY變量，但我應該給它什么值以及如何？)

~$ java -jar gate-5.0-beta1-build3048-installer.jar

- ERROR -

java.awt.HeadlessException:

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

java.awt.HeadlessException:

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

at java.awt.GraphicsEnvironment.checkHeadless(Graphic sEnvironment.java:159)

at java.awt.Window.(Window.java:407)

at java.awt.Frame.(Frame.java:402)

at net.sourceforge.mlf.metouia.borders.MetouiaDotsBuf fer.(MetouiaDotsBuffer.java:105)

at net.sourceforge.mlf.metouia.borders.MetouiaDots.(MetouiaDots.java:66)

at net.sourceforge.mlf.metouia.borders.MetouiaToolBar Border.(MetouiaToolBarBorder.java:49)

at net.sourceforge.mlf.metouia.MetouiaLookAndFeel.ini tComponentDefaults(MetouiaLookAndFeel.java:241)

at javax.swing.plaf.basic.BasicLookAndFeel.getDefault s(BasicLookAndFeel.java:130)

at javax.swing.plaf.metal.MetalLookAndFeel.getDefault s(MetalLookAndFeel.java:1591)

at javax.swing.UIManager.setLookAndFeel(UIManager.jav a:537)

at javax.swing.UIManager.setLookAndFeel(UIManager.jav a:581)

at com.izforge.izpack.installer.GUIInstaller.loadLook AndFeel(GUIInstaller.java:373)

at com.izforge.izpack.installer.GUIInstaller.(G UIInstaller.java:116)

at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Construc tor.java:513)

at java.lang.Class.newInstance0(Class.java:355)

at java.lang.Class.newInstance(Class.java:30

at com.izforge.izpack.installer.Installer.main(Instal ler.java:62)

總結

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