From 222be51aeb02735be693cc02c4dc29d37082d6b5 Mon Sep 17 00:00:00 2001
From: Michael Demmer <mdemmer@slack-corp.com>
Date: Tue, 21 May 2024 16:34:06 -0700
Subject: [PATCH] fatal if the resolver cannot initialize

---
 go/vt/vtgateproxy/vtgateproxy.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/go/vt/vtgateproxy/vtgateproxy.go b/go/vt/vtgateproxy/vtgateproxy.go
index 75b04c74868..db1abe43009 100644
--- a/go/vt/vtgateproxy/vtgateproxy.go
+++ b/go/vt/vtgateproxy/vtgateproxy.go
@@ -218,7 +218,7 @@ func Init() {
 		return append(opts, grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"loadBalancingConfig": [{"%s":{}}]}`, *balancerType))), nil
 	})
 
-	RegisterJSONGateResolver(
+	_, err := RegisterJSONGateResolver(
 		*vtgateHostsFile,
 		*addressField,
 		*portField,
@@ -226,4 +226,8 @@ func Init() {
 		*affinityField,
 		*affinityValue,
 	)
+
+	if err != nil {
+		log.Fatalf("error initializing resolver: %v", err)
+	}
 }