fix(discovery): fix daemon not starting due to mdns startup failure (#8704)

godcong · web-flow · commit be3dbc2bd293 · 2022-03-09T07:08:24.000-08:00
diff --git a/core/node/libp2p/discovery.go b/core/node/libp2p/discovery.go
@@ -42,7 +42,8 @@ func SetupDiscovery(useMdns bool, mdnsInterval int) func(helpers.MetricsCtx, fx.
 		if useMdns {
 			service := mdns.NewMdnsService(host, mdns.ServiceName, handler)
 			if err := service.Start(); err != nil {
-				return err
+				log.Error("error starting mdns service: ", err)
+				return nil
 			}
 
 			if mdnsInterval == 0 {

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,8 @@ func SetupDiscovery(useMdns bool, mdnsInterval int) func(helpers.MetricsCtx, fx.`
`42`	`42`	`if useMdns {`
`43`	`43`	`service := mdns.NewMdnsService(host, mdns.ServiceName, handler)`
`44`	`44`	`if err := service.Start(); err != nil {`
`45`		`- return err`
	`45`	`+ log.Error("error starting mdns service: ", err)`
	`46`	`+ return nil`
`46`	`47`	`}`
`47`	`48`
`48`	`49`	`if mdnsInterval == 0 {`