java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. 2. Otherwise, it might be looking for some graphics controller like X manager, which is not there, eventually resulting in "No X11 DISPLAY variable was set" to be thrown.

Coderanch | khushhal yadav | 8 years ago
  1. 0

    Getting java.awt.HeadlessException Exception

    Coderanch | 8 years ago | khushhal yadav
    java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. 2. Otherwise, it might be looking for some graphics controller like X manager, which is not there, eventually resulting in "No X11 DISPLAY variable was set" to be thrown.
  2. 0

    why DISPLY is necessary ?

    Google Groups | 5 years ago | tonimenen
    java.lang.reflect.InvocationTargetException
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    PhpStorm в Ubuntu 14 с использованием в Windows 7 через Xming / Хабрахабр

    habrahabr.ru | 1 year ago
    java.awt.HeadlessException: Unable to detect graphics environment No X11 DISPLAY variable was set, but this program performed an operation which requires it.
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    How do I resolve this X11 Java JOptionPane issue with Cloud9 IDE?

    Stack Overflow | 2 years ago | user3123109
    java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it.
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    Command line tool requires X to verify or upload?

    GitHub | 2 years ago | jacobrosenthal
    java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it.

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    Root Cause Analysis

    1. java.awt.HeadlessException

      No X11 DISPLAY variable was set, but this program performed an operation which requires it. 2. Otherwise, it might be looking for some graphics controller like X manager, which is not there, eventually resulting in "No X11 DISPLAY variable was set" to be thrown.

      at java.awt.GraphicsEnvironment.checkHeadless()
    2. Java RT
      Window.<init>
      1. java.awt.GraphicsEnvironment.checkHeadless(Unknown Source)
      2. java.awt.Window.<init>(Unknown Source)
      2 frames