src/share/vm/prims/whitebox.cpp

rev 3388 : imported patch dcmd-fixes

*** 111,120 ****
--- 111,123 ----
  
  const char* WhiteBox::lookup_jstring(const char* field_name, oop object) {
    int offset = offset_for_field(field_name, object,
        vmSymbols::string_signature());
    oop string = object->obj_field(offset);
+   if (oopDesc::is_null(string)) {
+     return NULL;
+   }
    const char* ret = java_lang_String::as_utf8_string(string);
    return ret;
  }
  
  bool WhiteBox::lookup_bool(const char* field_name, oop object) {