src/hotspot/share/classfile/stringTable.cpp

@@ -783,10 +783,14 @@
 }
 
 oop StringTable::create_archived_string(oop s, Thread* THREAD) {
   assert(DumpSharedSpaces, "this function is only used with -Xshare:dump");
 
+  if (MetaspaceShared::is_archive_object(s)) {
+    return s;
+  }
+
   oop new_s = NULL;
   typeArrayOop v = java_lang_String::value_no_keepalive(s);
   typeArrayOop new_v =
     (typeArrayOop)MetaspaceShared::archive_heap_object(v, THREAD);
   if (new_v == NULL) {