--- old/src/share/vm/runtime/thread.cpp	2016-03-30 22:43:30.668185207 +0900
+++ new/src/share/vm/runtime/thread.cpp	2016-03-30 22:43:30.446186182 +0900
@@ -981,6 +981,7 @@
 // Creates the initial Thread
 static oop create_initial_thread(Handle thread_group, JavaThread* thread,
                                  TRAPS) {
+  static const char *initial_thread_name = "main";
   Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, CHECK_NULL);
   instanceKlassHandle klass (THREAD, k);
   instanceHandle thread_oop = klass->allocate_instance_handle(CHECK_NULL);
@@ -988,8 +989,9 @@
   java_lang_Thread::set_thread(thread_oop(), thread);
   java_lang_Thread::set_priority(thread_oop(), NormPriority);
   thread->set_threadObj(thread_oop());
+  thread->set_native_thread_name(initial_thread_name);
 
-  Handle string = java_lang_String::create_from_str("main", CHECK_NULL);
+  Handle string = java_lang_String::create_from_str(initial_thread_name, CHECK_NULL);
 
   JavaValue result(T_VOID);
   JavaCalls::call_special(&result, thread_oop,