From a8749d4fec1a5865bbb71e75339ee1cdba44a730 Mon Sep 17 00:00:00 2001
From: lijie <lijiecm@gmail.com>
Date: Wed, 14 Jun 2023 10:26:15 +0800
Subject: [PATCH] fix tcp 502 error for parse tcp backend data

---
 rootfs/etc/nginx/lua/tcp_udp_configuration.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rootfs/etc/nginx/lua/tcp_udp_configuration.lua b/rootfs/etc/nginx/lua/tcp_udp_configuration.lua
index caf6bffff..f191454fa 100644
--- a/rootfs/etc/nginx/lua/tcp_udp_configuration.lua
+++ b/rootfs/etc/nginx/lua/tcp_udp_configuration.lua
@@ -38,10 +38,10 @@ function _M.call()
     return
   end
 
-   local _, err = cjson.decode(backends)
+  local _, backends_err = cjson.decode(backends)
 
-  if err then
-    ngx.log(ngx.ERR, "could not parse backends data: ", err)
+  if backends_err then
+    ngx.log(ngx.ERR, "could not parse backends data: ", backends_err)
     return
   end