update

cmd/cart/otel.go

@@ -9,7 +9,6 @@ import (
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
 	"go.opentelemetry.io/otel/exporters/stdout/stdoutlog"
 	"go.opentelemetry.io/otel/exporters/stdout/stdoutmetric"
-	"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
 	"go.opentelemetry.io/otel/log/global"
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/sdk/log"
@@ -82,8 +81,7 @@ func newPropagator() propagation.TextMapPropagator {
 }
 
 func newTracerProvider() (*trace.TracerProvider, error) {
-	traceExporter, err := otlptracegrpc.New(
-		stdouttrace.WithPrettyPrint())
+	traceExporter, err := otlptracegrpc.New(context.Background())
 	if err != nil {
 		return nil, err
 	}