--- old/src/share/vm/classfile/classFileParser.cpp	2014-04-16 16:35:42.859112027 +0400
+++ new/src/share/vm/classfile/classFileParser.cpp	2014-04-16 16:35:42.692109231 +0400
@@ -4309,7 +4309,12 @@
   Method* m = k->lookup_method(vmSymbols::finalize_method_name(),
                                  vmSymbols::void_method_signature());
   if (m != NULL && !m->is_empty_method()) {
-    f = true;
+    // Spec doesn't prevent agent from redefinition of empty finalyzer.
+    // despite the fact that it's generally bad idea and redefined finalyzer
+    // will not work as expected we shouldn't abort vm in this case
+    if (!k->has_been_redefined()) {
+      f = true;
+    }
   }
   assert(f == k->has_finalizer(), "inconsistent has_finalizer");
 #endif