java.lang.InternalError: Can't connect to X11 window server using ':2' as the value of the DISPLAY variable.

Oracle Community | K.Bharathithasan | 2 years ago
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    java.lang.InternalError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.

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    Root Cause Analysis

    1. java.lang.InternalError

      Can't connect to X11 window server using ':2' as the value of the DISPLAY variable.

      at sun.awt.X11GraphicsEnvironment.initDisplay()
    2. Java RT
      GraphicsEnvironment.getLocalGraphicsEnvironment
      1. sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
      2. sun.awt.X11GraphicsEnvironment.access$100(X11GraphicsEnvironment.java:52)
      3. sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:155)
      4. java.security.AccessController.doPrivileged(Native Method)
      5. sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:131)
      6. java.lang.Class.forName0(Native Method)
      7. java.lang.Class.forName(Class.java:169)
      8. java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
      8 frames
    3. sun.awt.X11
      XToolkit.<clinit>
      1. sun.awt.X11.XToolkit.<clinit>(XToolkit.java:89)
      1 frame
    4. Java RT
      Toolkit.getDefaultToolkit
      1. java.lang.Class.forName0(Native Method)
      2. java.lang.Class.forName(Class.java:169)
      3. java.awt.Toolkit$2.run(Toolkit.java:834)
      4. java.security.AccessController.doPrivileged(Native Method)
      5. java.awt.Toolkit.getDefaultToolkit(Toolkit.java:826)
      5 frames
    5. JGoodies Looks
      PlasticLookAndFeel.<clinit>
      1. com.jgoodies.looks.LookUtils.isLowResolution(LookUtils.java:484)
      2. com.jgoodies.looks.LookUtils.<clinit>(LookUtils.java:249)
      3. com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>(PlasticLookAndFeel.java:135)
      3 frames
    6. oracle.sysman.assistants
      Rcu.main
      1. oracle.sysman.assistants.rcu.ui.InteractiveRCUModel.<init>(InteractiveRCUModel.java:117)
      2. oracle.sysman.assistants.rcu.Rcu.execute(Rcu.java:307)
      3. oracle.sysman.assistants.rcu.Rcu.main(Rcu.java:363)
      3 frames