From 98ca821085419e6bf466f515b4172942fa278b2e Mon Sep 17 00:00:00 2001
From: yyforyongyu <yy2452@columbia.edu>
Date: Wed, 29 Sep 2021 04:37:05 +0800
Subject: [PATCH] lndcfg: give verbose err when failed to load config

---
 cmd/lnd/main.go  | 1 +
 lncfg/address.go | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmd/lnd/main.go b/cmd/lnd/main.go
index 09efa48a5..2d13fed4c 100644
--- a/cmd/lnd/main.go
+++ b/cmd/lnd/main.go
@@ -23,6 +23,7 @@ func main() {
 	if err != nil {
 		if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
 			// Print error if not due to help request.
+			err = fmt.Errorf("failed to load config: %w", err)
 			_, _ = fmt.Fprintln(os.Stderr, err)
 			os.Exit(1)
 		}
diff --git a/lncfg/address.go b/lncfg/address.go
index 0d33d6b3d..f45accb11 100644
--- a/lncfg/address.go
+++ b/lncfg/address.go
@@ -35,7 +35,8 @@ func NormalizeAddresses(addrs []string, defaultPort string,
 			addr, defaultPort, tcpResolver,
 		)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("parse address %s failed: %w",
+				addr, err)
 		}
 
 		if _, ok := seen[parsedAddr.String()]; !ok {