Adapt to GlueGen commit 1a01dce6c42b398cdd68d405828774a3ab366456

1 files changed, 4 insertions, 2 deletions

diff --git a/src/newt/classes/com/jogamp/newt/awt/applet/JOGLNewtAppletBase.java b/src/newt/classes/com/jogamp/newt/awt/applet/JOGLNewtAppletBase.java
index c3ad51c96..091a1a5cf 100644
--- a/src/newt/classes/com/jogamp/newt/awt/applet/JOGLNewtAppletBase.java
+++ b/src/newt/classes/com/jogamp/newt/awt/applet/JOGLNewtAppletBase.java
@@ -164,12 +164,14 @@ public class JOGLNewtAppletBase implements KeyListener, GLEventListener {
                 // Closing action: back to parent!
                 @Override
                 public void windowDestroyNotify(WindowEvent e) {
-                    if( WindowClosingMode.DO_NOTHING_ON_CLOSE == glWindow.getDefaultCloseOperation() ) {
+                    if( isValid() && WindowClosingMode.DO_NOTHING_ON_CLOSE == glWindow.getDefaultCloseOperation() ) {
                         if(null == glWindow.getParent()) {
                             // we may be called directly by the native EDT
                             new Thread(new Runnable() {
                                public void run() {
-                                glWindow.reparentWindow(awtParent);
+                                if( glWindow.isNativeValid() ) {
+                                    glWindow.reparentWindow(awtParent);
+                                }
                                }
                             }).start();                         
                         }