modules/javafx.graphics/src/main/native-glass/mac/GlassMenu.m

*** 365,375 ****
--- 365,381 ----
   */
  JNIEXPORT void JNICALL Java_com_sun_glass_ui_mac_MacMenuDelegate__1initIDs
  (JNIEnv *env, jclass jMenuDelegateClass)
  {
      jclass jCallbackClass = [GlassHelper ClassForName:"com.sun.glass.ui.MenuItem$Callback" withEnv:env];
+     if (!jCallbackClass) {
+         return;
+     }
      jclass jMenuClass = [GlassHelper ClassForName:"com.sun.glass.ui.Menu" withEnv:env];
+     if (!jMenuClass) {
+         return;
+     }
  
      jMenuActionMethod  = (*env)->GetMethodID(env, jCallbackClass,   "action",  "()V");
      if ((*env)->ExceptionCheck(env)) return;
      jMenuValidateMethod = (*env)->GetMethodID(env, jCallbackClass,   "validate",  "()V");
      if ((*env)->ExceptionCheck(env)) return;