From f3a6da18922ccfe5d6e76ac666b62110f79a5432 Mon Sep 17 00:00:00 2001
From: Weiliang Li <liweiliang@cmss.chinamobile.com>
Date: Wed, 11 Dec 2019 10:09:44 +0800
Subject: [PATCH] Delete unused variable

Delete unused variable.
---
 modules/mod_dubbo/utils/utils.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/modules/mod_dubbo/utils/utils.cc b/modules/mod_dubbo/utils/utils.cc
index 8041f745..dc56bb1a 100644
--- a/modules/mod_dubbo/utils/utils.cc
+++ b/modules/mod_dubbo/utils/utils.cc
@@ -90,7 +90,6 @@ string to_hex_string(const void* ch, size_t size) {
 
 void write_hex_to_stream(ostream& os, const void* ch, size_t size) {
     static char alpha[] = "0123456789ABCDEF";
-    string hex_str;
     for (size_t i = 0; i < size; ++i) {
         uint8_t c = *((const uint8_t*)ch + i);
         os << alpha[c >> 4] << alpha[c & 0xF] << ' ';
-- 
2.18.0