clean

Signed-off-by: Yuri Shkuro <github@ysh.us>

CHANGELOG.md

@@ -28,6 +28,7 @@ next release (yyyy-mm-dd)
 * [hotrod] Make OTLP the default exporter in HotROD ([@yurishkuro](https://github.com/yurishkuro) in [#4698](https://github.com/jaegertracing/jaeger/pull/4698))
 * [SPM] Support spanmetrics connector by default ([@albertteoh](https://github.com/albertteoh) in [#4704](https://github.com/jaegertracing/jaeger/pull/4704))
 * [tracegen] Stop supporting -trace-exporter=jaeger ([@yurishkuro](https://github.com/yurishkuro) in [#4717](https://github.com/jaegertracing/jaeger/pull/4717))
+* [hotrod] Stop supporting -otel-exporter=jaeger ([@yurishkuro](https://github.com/yurishkuro) in [#4719](https://github.com/jaegertracing/jaeger/pull/4719))
 
 #### New Features
 

examples/hotrod/cmd/flags.go

@@ -38,9 +38,10 @@ var (
 	jaegerUI string
 )
 
+// used by root command
 func addFlags(cmd *cobra.Command) {
 	cmd.PersistentFlags().StringVarP(&metricsBackend, "metrics", "m", "expvar", "Metrics backend (expvar|prometheus)")
-	cmd.PersistentFlags().StringVarP(&otelExporter, "otel-exporter", "x", "otlp", "OpenTelemetry exporter (jaeger|otlp|stdout)")
+	cmd.PersistentFlags().StringVarP(&otelExporter, "otel-exporter", "x", "otlp", "OpenTelemetry exporter (otlp|stdout)")
 
 	cmd.PersistentFlags().DurationVarP(&fixDBConnDelay, "fix-db-query-delay", "D", 300*time.Millisecond, "Average latency of MySQL DB query")
 	cmd.PersistentFlags().BoolVarP(&fixDBConnDisableMutex, "fix-disable-db-conn-mutex", "M", false, "Disables the mutex guarding db connection")

examples/hotrod/services/driver/server.go

@@ -60,6 +60,7 @@ func (s *Server) Run() error {
 		s.logger.Bg().Fatal("Unable to create http listener", zap.Error(err))
 	}
 	RegisterDriverServiceServer(s.server, s)
+	s.logger.Bg().Info("Starting", zap.String("address", s.hostPort), zap.String("type", "gRPC"))
 	err = s.server.Serve(lis)
 	if err != nil {
 		s.logger.Bg().Fatal("Unable to start gRPC server", zap.Error(err))