Jan 3, 2009 · AWT is a Java interface to native system GUI code present in your OS. It will not work the same on every system, although it tries. Swing is a more-or-less pure-Java GUI. It …

Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. at java.awt.GraphicsEnvironment.

java -Djava.awt.headless=true -jar gate-5.0-beta1-build3048-installer.jar Additional Note You can also try to set JAVA_TOOL_OPTIONS variable before running the .jar file such as for the app …

Aug 8, 2024 · The event dispatch thread is a special thread that is managed by AWT. Basically, it is a thread that runs in an infinite loop, processing events. The …

So a couple days ago I had several working Java applications using the Swing library, JFrame in particular. They all worked perfectly fine and now they all throw this exception: java.awt.

Dec 26, 2012 · 0 This exception is thrown when we try to instantiate an awt or a swing component from a system that doesn't has a terminal (head). Usually this happens on a virtual box unix …

58 Is the java.awt included in JDK 10? Ye, the package does exist. The Java10 API docs do confirm the same as well. If yes where is and how can I make visible to Eclipse? In a modular …

There is no performance benefit of setting java.awt.headless=true if you're not using AWT features. AWT features are loaded on-demand. As explained in the linked article, headless …

Aug 15, 2013 · The answer below is mostly right. Start with the question slightly reworded. How do I change the font size of a g or g2d drawstring object? First create your g (or g2d) …

Mar 27, 2023 · The type names in the package clash with common names in other packages. For example, java.awt.List is a thing. The java ecosystem at large means, literally, java.util.List …