Fix: use dedicated with_service_name in otlp example

Author: Dreistein

examples/opentelemetry-otlp.rs

@@ -5,7 +5,7 @@ use opentelemetry_sdk::{
     Resource,
 };
 use opentelemetry_semantic_conventions::{
-    attribute::{DEPLOYMENT_ENVIRONMENT_NAME, SERVICE_NAME, SERVICE_VERSION},
+    attribute::{DEPLOYMENT_ENVIRONMENT_NAME, SERVICE_VERSION},
     SCHEMA_URL,
 };
 use tracing_core::Level;
@@ -15,9 +15,9 @@ use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 // Create a Resource that captures information about the entity for which telemetry is recorded.
 fn resource() -> Resource {
     Resource::builder()
+        .with_service_name(env!("CARGO_PKG_NAME"))
         .with_schema_url(
             [
-                KeyValue::new(SERVICE_NAME, env!("CARGO_PKG_NAME")),
                 KeyValue::new(SERVICE_VERSION, env!("CARGO_PKG_VERSION")),
                 KeyValue::new(DEPLOYMENT_ENVIRONMENT_NAME, "develop"),
             ],