membphis commented on code in PR #12514:
URL: https://github.com/apache/apisix/pull/12514#discussion_r2281214810


##########
apisix/core/config_etcd.lua:
##########
@@ -190,6 +190,18 @@ local function do_run_watch(premature)
     opts.need_cancel = true
     opts.start_revision = watch_ctx.rev
 
+    -- get latest revision
+    local res, err = watch_ctx.cli:readdir(watch_ctx.prefix .. "/phantomkey")
+    if err then
+        log.error("failed to get latest revision, err: ", err)
+    end
+    local latest_rev
+    if res and res.body and res.body.header and res.body.header.revision then
+        latest_rev = tonumber(res.body.header.revision)
+    else
+        log.error("failed to get latest revision, res: ", inspect(res))

Review Comment:
   ```suggestion
           log.error("failed to get latest revision, res: ", 
core.json.delay_encode(res))
   ```



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