From 5c3a36d813e3312e63ed613ed59aecdf58dad707 Mon Sep 17 00:00:00 2001
From: Benjamin Wang <benjamin.ahrtr@gmail.com>
Date: Wed, 24 Jan 2024 13:56:02 +0000
Subject: [PATCH] print error log when creating peer listener failed

Signed-off-by: Benjamin Wang <benjamin.ahrtr@gmail.com>
---
 embed/etcd.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/embed/etcd.go b/embed/etcd.go
index 3cbed0fdd..cd53f6fa4 100644
--- a/embed/etcd.go
+++ b/embed/etcd.go
@@ -533,6 +533,11 @@ func configurePeerListeners(cfg *Config) (peers []*peerListener, err error) {
 		peers[i] = &peerListener{close: func(context.Context) error { return nil }}
 		peers[i].Listener, err = rafthttp.NewListener(u, &cfg.PeerTLSInfo)
 		if err != nil {
+			if cfg.logger != nil {
+				cfg.logger.Error("creating peer listener failed", zap.Error(err))
+			} else {
+				plog.Errorf("creating peer listener failed: %v", err)
+			}
 			return nil, err
 		}
 		// once serve, overwrite with 'http.Server.Shutdown'