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我是新来的linux和Beagle骨黑色。如果有人帮助我的问题，它将对我的项目进入下一级非常有帮助。 我在Netbeans中开发的XML阅读器成功地进行清洗和建造它。当我试图在Beagle骨使用Linux命令黑，我再次得到这个错误，并再次在Beagle骨中运行jar文件时出错黑色
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Exception in thread "main" java.awt.AWTError: 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.access$200(X11GraphicsEnvironment.java:65)
at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:115)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:74)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:260)
at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:102)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:81)
at java.awt.Window.initGC(Window.java:475)
at java.awt.Window.init(Window.java:495)
at java.awt.Window.<init>(Window.java:537)
at java.awt.Frame.<init>(Frame.java:420)
at java.awt.Frame.<init>(Frame.java:385)
at javax.swing.JFrame.<init>(JFrame.java:181)
at Testtagreader.TestGUI.<init>(TestGUI.java:30)
at testtagreader.Test_XML_Reader.main(Test_XML_Reader.java:29)