--- old/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.c	2016-05-12 00:57:48.000000000 +0400
+++ new/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.c	2016-05-12 00:57:48.000000000 +0400
@@ -817,7 +817,7 @@
     io_handler = XSetIOErrorHandler(NULL);
 
     if (fp_gtk_check_version(2, 2, 0) == NULL) {
-        jclass clazz = (*env)->FindClass(env, "sun/misc/GThreadHelper");
+        jclass clazz = (*env)->FindClass(env, "sun/awt/GThreadHelper");
         jmethodID mid_getAndSetInitializationNeededFlag =
                 (*env)->GetStaticMethodID(env, clazz, "getAndSetInitializationNeededFlag", "()Z");
         jmethodID mid_lock = (*env)->GetStaticMethodID(env, clazz, "lock", "()V");