modules/graphics/src/main/native-glass/mac/GlassWindow+Overrides.m

*** 112,123 ****
          NSWindow *child = (NSWindow*)[children objectAtIndex:i];
          [child close];
      }
      
      // Call the notification method
!     GET_MAIN_JENV;
      (*env)->CallVoidMethod(env, self->jWindow, jWindowNotifyDestroy);
  }
  
  - (void)windowWillMove:(NSNotification *)notification
  {
      //NSLog(@"windowWillMove");
--- 112,126 ----
          NSWindow *child = (NSWindow*)[children objectAtIndex:i];
          [child close];
      }
      
      // Call the notification method
!     assert(pthread_main_np() == 1);
!     JNIEnv *env = jEnv;
!     if (env != NULL) {
          (*env)->CallVoidMethod(env, self->jWindow, jWindowNotifyDestroy);
+     }
  }
  
  - (void)windowWillMove:(NSNotification *)notification
  {
      //NSLog(@"windowWillMove");