执行vivado报错 
start_gui
MoTTY X11 proxy: Unsupported authorisation protocol
Exception in thread "main" java.awt.AWTError: Can't connect to X11 window server using 'localhost:12.0' as the value of the DISPLAY variable.
        at java.desktop/sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
        at java.desktop/sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:102)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at java.desktop/sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:61)
        at java.base/java.lang.Class.forName0(Native Method)
        at java.base/java.lang.Class.forName(Class.java:315)
        at java.desktop/java.awt.GraphicsEnvironment$LocalGE.createGE(GraphicsEnvironment.java:101)
        at java.desktop/java.awt.GraphicsEnvironment$LocalGE.<clinit>(GraphicsEnvironment.java:83)
        at java.desktop/java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:129)
        at java.desktop/sun.awt.X11.XToolkit.<clinit>(XToolkit.java:231)
        at java.base/java.lang.Class.forName0(Native Method)
        at java.base/java.lang.Class.forName(Class.java:315)
        at java.desktop/java.awt.Toolkit$2.run(Toolkit.java:588)
        at java.desktop/java.awt.Toolkit$2.run(Toolkit.java:583)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:582)
        at java.desktop/sun.swing.SwingUtilities2.getSystemMnemonicKeyMask(SwingUtilities2.java:2212)
        at java.desktop/javax.swing.plaf.basic.BasicLookAndFeel.initComponentDefaults(BasicLookAndFeel.java:1096)
        at java.desktop/javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookAndFeel.java:440)
        at java.desktop/javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:150)
        at java.desktop/javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.java:1560)
        at java.desktop/javax.swing.UIManager.setLookAndFeel(UIManager.java:587)
        at java.desktop/javax.swing.UIManager.setLookAndFeel(UIManager.java:629)
        at java.desktop/javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1404)
        at java.desktop/javax.swing.UIManager.initialize(UIManager.java:1517)
        at java.desktop/javax.swing.UIManager.maybeInitialize(UIManager.java:1483)
        at java.desktop/javax.swing.UIManager.getDefaults(UIManager.java:709)
        at java.desktop/javax.swing.UIManager.put(UIManager.java:1038)
        at ui.PlanAhead.<clinit>(SourceFile:178)
ERROR: [Common 17-70] Application Exception: JVM: Can't find class: ui/PlanAhead

ERROR: [Common 17-211] Error loading jvm.

这个错误是因为在使用SSH连接到远程Linux服务器时没有正确设置X11转发。您需要重新连接到服务器，确保在连接时启用了X11转发。连接时可以使用“-X”或“-Y”选项启用X11转发。例如：ssh -X [email protected]。如果您已经启用了X11转发，可能需要检查您的X11运行配置是否正确。