fix declarative configuration in javaagent example

javaagent/Dockerfile

@@ -3,4 +3,4 @@ FROM eclipse-temurin:11-jre
 ADD build/libs/app.jar /app.jar
 ADD build/agent/opentelemetry-javaagent.jar /opentelemetry-javaagent.jar
 
-ENTRYPOINT java -jar -javaagent:/opentelemetry-javaagent.jar /app.jar
+ENTRYPOINT java -javaagent:/opentelemetry-javaagent.jar -jar /app.jar

javaagent/build.gradle.kts

@@ -24,7 +24,7 @@ dependencies {
     //spring modules
     implementation("org.springframework.boot:spring-boot-starter-web")
 
-    agent("io.opentelemetry.javaagent:opentelemetry-javaagent:2.8.0")
+    agent("io.opentelemetry.javaagent:opentelemetry-javaagent:2.9.0")
 }
 
 val copyAgent = tasks.register<Copy>("copyAgent") {

javaagent/docker-compose.yml

@@ -9,13 +9,14 @@ services:
       OTEL_LOGS_EXPORTER: "otlp"
       # Optional specify file configuration instead of using environment variable scheme
       # To use, call "export OTEL_CONFIG_FILE=/sdk-config.yaml" before calling docker compose up
-      OTEL_CONFIG_FILE:
+      OTEL_EXPERIMENTAL_CONFIG_FILE: /sdk-config.yaml
     ports:
       - "8080:8080"
     volumes:
       - ./sdk-config.yaml:/sdk-config.yaml
     depends_on:
       - collector
+
   collector:
     image: otel/opentelemetry-collector-contrib:0.111.0
     volumes:

javaagent/sdk-config.yaml

@@ -2,30 +2,31 @@ file_format: "0.1"
 
 resource:
   attributes:
-    service.name: agent-example-app
+    - name: service.name
+      value: agent-example-app
 
 logger_provider:
   processors:
     - batch:
         exporter:
           otlp:
-            endpoint: http://collector:4318
+            endpoint: http://collector:4318/v1/logs
             protocol: http/protobuf
 
 tracer_provider:
   processors:
     - batch:
         exporter:
           otlp:
-            endpoint: http://collector:4318
+            endpoint: http://collector:4318/v1/traces
             protocol: http/protobuf
 
 meter_provider:
   readers:
     - periodic:
         exporter:
           otlp:
-            endpoint: http://collector:4318
+            endpoint: http://collector:4318/v1/metrics
             protocol: http/protobuf
   # Example of how to use view to drop a metric which isn't needed.
   # This configuration is not available with the environment variable configuration scheme.