From 51fadf237ae43047be74d35744c3684582ee5a0d Mon Sep 17 00:00:00 2001
From: Wangchong Zhou <wangchong@konghq.com>
Date: Mon, 2 Dec 2024 15:49:55 +0800
Subject: [PATCH] fix(ai-proxy): fix content-encoding for non 200 responses

(cherry picked from commit 2cdafddf69cd3d3c56ef66d0a3ea3ab154cbd1f2)
---
 kong/llm/plugin/base.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kong/llm/plugin/base.lua b/kong/llm/plugin/base.lua
index 4bafcecefb5a..c678ec43d0a5 100644
--- a/kong/llm/plugin/base.lua
+++ b/kong/llm/plugin/base.lua
@@ -113,6 +113,9 @@ function MetaPlugin:header_filter(sub_plugin, conf)
       -- for gzip response, don't set content-length at all to align with upstream
       kong.response.clear_header("Content-Length")
       kong.response.set_header("Content-Encoding", "gzip")
+
+    else
+      kong.response.clear_header("Content-Encoding")
     end
 
   else