--- old/src/share/vm/runtime/thread.cpp	2016-03-24 23:22:02.429426982 +0900
+++ new/src/share/vm/runtime/thread.cpp	2016-03-24 23:22:02.247427982 +0900
@@ -999,6 +999,7 @@
                           thread_group,
                           string,
                           CHECK_NULL);
+  os::set_native_thread_name("main");
   return thread_oop();
 }