8288854: getLocalGraphicsEnvironment() on for multi-screen setups thr…

…ows exception NPE Reviewed-by: azvegint, aivanov
plummercj · Jul 2, 2022 · cfc9a88 · cfc9a88
1 parent 9925014
commit cfc9a88
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/java.desktop/unix/classes/sun/awt/X11GraphicsEnvironment.java b/src/java.desktop/unix/classes/sun/awt/X11GraphicsEnvironment.java
@@ -236,7 +236,7 @@ private synchronized void initDevices() {
             throw new AWTError("no screen devices");
         }
         int index = getDefaultScreenNum();
-        mainScreen = 0 < index && index < screens.length ? index : 0;
+        mainScreen = 0 < index && index < numScreens ? index : 0;
 
         for (int id = 0; id < numScreens; ++id) {
             devices.put(id, old.containsKey(id) ? old.remove(id) :