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-rw-r--r--src/classes/share/javax/media/j3d/VirtualUniverse.java7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/classes/share/javax/media/j3d/VirtualUniverse.java b/src/classes/share/javax/media/j3d/VirtualUniverse.java
index 776026c..35b1d69 100644
--- a/src/classes/share/javax/media/j3d/VirtualUniverse.java
+++ b/src/classes/share/javax/media/j3d/VirtualUniverse.java
@@ -242,6 +242,13 @@ public class VirtualUniverse extends Object {
System.err.println();
}
+ // Java 3D cannot run in headless mode, so we will throw a
+ // HeadlessException if isHeadless() is true. This avoids a
+ // cryptic error message from MasterControl.loadLibraries().
+ if (java.awt.GraphicsEnvironment.isHeadless()) {
+ throw new java.awt.HeadlessException();
+ }
+
// Load the native libraries and create the static
// MasterControl object
MasterControl.loadLibraries();