From 15609ceb8380c16106abe370cc1e5401cbe8019d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BD=97=E6=B3=BD=E8=BD=A9?= <spacewanderlzx@gmail.com>
Date: Sun, 17 Jan 2021 20:36:23 -0600
Subject: [PATCH] chore: remove the obsolote etcd v2 protocol error (#3291)

PR #3258 doesn't remove it entirely.

Signed-off-by: spacewander <spacewanderlzx@gmail.com>
---
 apisix/core/config_etcd.lua | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/apisix/core/config_etcd.lua b/apisix/core/config_etcd.lua
index 303281cb0959..4f3f9d1d0e67 100644
--- a/apisix/core/config_etcd.lua
+++ b/apisix/core/config_etcd.lua
@@ -324,13 +324,6 @@ local function sync_data(self)
     end
 
     if not res then
-        if err == "The event in requested index is outdated and cleared" then
-            self.need_reload = true
-            log.warn("waitdir [", self.key, "] err: ", err,
-                     ", need to fully reload")
-            return false
-        end
-
         return false, err
     end