return original error info when response failed

scripts/upload.lua

@@ -75,13 +75,12 @@ local function verifyJwtToken(token)
     )
 
     if not res then
-        ngx.status = ngx.HTTP_UNAUTHORIZED
-        ngx.header.content_type = "application/json; charset=utf-8"
         ngx.log(ngx.ERR, "CAN'T VERIFY JWT TOKEN -> ", err)
-        ngx.exit(ngx.HTTP_UNAUTHORIZED)
+        ngx.exit(ngx.HTTP_FORBIDDEN)
     else
         if 200 ~= res.status then
             ngx.log(ngx.ERR, "JWT TOKEN VERIFICATION *ERROR* -> ", err)
+            ngx.say(res.body)
             ngx.exit(res.status)
         end
     end
@@ -195,11 +194,11 @@ while true do
         end
 
         if 201 ~= res.status then
-            ngx.log(ngx.ERR, "TASK CREATE *FAILED*", err)
+            ngx.log(ngx.ERR, "TASK CREATE *FAILED*", res.body)
-            ngx.say(err)
+
-            ngx.exit(res.status)
         end
         ngx.say(res.body)
+        ngx.exit(res.status)
         break
     else
         -- do nothing

scripts/upload_audio.lua

@@ -45,11 +45,10 @@ local function create_task()
     end
 
     if 201 ~= res.status then
-        ngx.log(ngx.ERR, "TASK CREATE *FAILED*", err)
+        ngx.log(ngx.ERR, "TASK CREATE *FAILED*", res.body)
-        ngx.say(err)
-        ngx.exit(res.status)
     end
     ngx.say(res.body)
+    ngx.exit(res.status)
 end
 
 create_task()