Working example of distributed trace

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/Dockerfile

@@ -1,7 +1,11 @@
-FROM adoptopenjdk/openjdk11:alpine
+FROM amazoncorretto:21
 
 COPY target/spring-cloud-open-telemetry1-1.0.0-SNAPSHOT.jar spring-cloud-open-telemetry.jar
+COPY otel.properties /
+COPY opentelemetry-javaagent-2.4.0.jar /
 
-EXPOSE 8080
+EXPOSE 8090
 
-ENTRYPOINT ["java","-jar","/spring-cloud-open-telemetry.jar"]
+ENV OTEL_JAVAAGENT_CONFIGURATION_FILE="/otel.properties"
+
+ENTRYPOINT ["java","-javaagent:/opentelemetry-javaagent-2.4.0.jar", "-jar","/spring-cloud-open-telemetry.jar"]

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/otel.properties

@@ -0,0 +1,6 @@
+otel.service.name=product-service
+otel.exporter.otlp.endpoint=http://localhost:9246/otlp
+otel.exporter.otlp.headers=Authorization=Bearer 646deae4d4cc2d736b849040,X-PzProd=true
+otel.traces.exporter=otlp
+otel.logs.exporter=otlp
+otel.metrics.exporter=none

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/pom.xml

@@ -31,13 +31,6 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-sleuth-otel-dependencies</artifactId>
-                <version>${spring-cloud-sleuth-otel.version}</version>
-                <scope>import</scope>
-                <type>pom</type>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -57,14 +50,20 @@
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-sleuth-otel-autoconfigure</artifactId>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-sdk-extension-autoconfigure</artifactId>
+            <version>${otel-exporter-otlp.version}</version>
         </dependency>
         <dependency>
             <groupId>io.opentelemetry</groupId>
             <artifactId>opentelemetry-exporter-otlp</artifactId>
             <version>${otel-exporter-otlp.version}</version>
         </dependency>
+        <dependency>
+            <groupId>io.opentelemetry.javaagent</groupId>
+            <artifactId>opentelemetry-javaagent</artifactId>
+            <version>${otel-instrumentation-otlp.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
@@ -92,8 +91,7 @@
     <properties>
         <spring-boot-dependencies.version>2.7.9</spring-boot-dependencies.version>
         <release.train.version>2021.0.5</release.train.version>
-        <spring-cloud-sleuth-otel.version>1.1.2</spring-cloud-sleuth-otel.version>
-        <otel-exporter-otlp.version>1.23.1</otel-exporter-otlp.version>
+        <otel-exporter-otlp.version>1.38.0</otel-exporter-otlp.version>
+        <otel-instrumentation-otlp.version>2.4.0</otel-instrumentation-otlp.version>
     </properties>
-
-</project>
+</project>

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/src/main/java/com/baeldung/opentelemetry/ProductApplication.java

@@ -1,12 +1,14 @@
 package com.baeldung.opentelemetry;
 
+import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class ProductApplication {
-
     public static void main(String[] args) {
+        AutoConfiguredOpenTelemetrySdk.initialize();
         SpringApplication.run(ProductApplication.class, args);
     }
 }

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry1/src/main/resources/application.properties

@@ -1,7 +1,3 @@
-server.port= 8080
+server.port=8090
 spring.application.name=product-service
-priceClient.baseUrl=http://price-service:8081
-spring.sleuth.otel.config.trace-id-ratio-based=1.0
-spring.sleuth.otel.exporter.otlp.endpoint=https://sdk.playerzero.app/otlp
-spring.sleuth.otel.exporter.otlp.headers[Authorization]=Bearer XXXXXXXX
-spring.sleuth.otel.exporter.otlp.headers[X-PzProd]=true
+priceClient.baseUrl=http://localhost:8091

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry2/Dockerfile

@@ -1,7 +1,11 @@
-FROM adoptopenjdk/openjdk11:alpine
+FROM amazoncorretto:21
 
 COPY target/spring-cloud-open-telemetry2-1.0.0-SNAPSHOT.jar spring-cloud-open-telemetry.jar
+COPY otel.properties /
+COPY opentelemetry-javaagent-2.4.0.jar /
 
-EXPOSE 8081
+EXPOSE 8091
 
-ENTRYPOINT ["java","-jar","/spring-cloud-open-telemetry.jar"]
+ENV OTEL_JAVAAGENT_CONFIGURATION_FILE="/otel.properties"
+
+ENTRYPOINT ["java","-javaagent:/opentelemetry-javaagent-2.4.0.jar", "-jar","/spring-cloud-open-telemetry.jar"]

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry2/otel.properties

@@ -0,0 +1,6 @@
+otel.service.name=price-service
+otel.exporter.otlp.endpoint=http://localhost:9246/otlp
+otel.exporter.otlp.headers=Authorization=Bearer 646deae4d4cc2d736b849040,X-PzProd=true
+otel.traces.exporter=otlp
+otel.logs.exporter=otlp
+otel.metrics.exporter=none

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry2/pom.xml

@@ -31,13 +31,6 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-sleuth-otel-dependencies</artifactId>
-                <version>${spring-cloud-sleuth-otel.version}</version>
-                <scope>import</scope>
-                <type>pom</type>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -57,14 +50,20 @@
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-sleuth-otel-autoconfigure</artifactId>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-sdk-extension-autoconfigure</artifactId>
+            <version>${otel-exporter-otlp.version}</version>
         </dependency>
         <dependency>
             <groupId>io.opentelemetry</groupId>
             <artifactId>opentelemetry-exporter-otlp</artifactId>
             <version>${otel-exporter-otlp.version}</version>
         </dependency>
+        <dependency>
+            <groupId>io.opentelemetry.javaagent</groupId>
+            <artifactId>opentelemetry-javaagent</artifactId>
+            <version>${otel-instrumentation-otlp.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
@@ -92,8 +91,7 @@
     <properties>
         <spring-boot-dependencies.version>2.7.9</spring-boot-dependencies.version>
         <release.train.version>2021.0.5</release.train.version>
-        <spring-cloud-sleuth-otel.version>1.1.2</spring-cloud-sleuth-otel.version>
-        <otel-exporter-otlp.version>1.23.1</otel-exporter-otlp.version>
+        <otel-exporter-otlp.version>1.38.0</otel-exporter-otlp.version>
+        <otel-instrumentation-otlp.version>2.4.0</otel-instrumentation-otlp.version>
     </properties>
-
-</project>
+</project>

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry2/src/main/java/com/baeldung/opentelemetry/PriceApplication.java

@@ -1,12 +1,14 @@
 package com.baeldung.opentelemetry;
 
+import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class PriceApplication {
-
     public static void main(String[] args) {
+        AutoConfiguredOpenTelemetrySdk.initialize();
         SpringApplication.run(PriceApplication.class, args);
     }
 }

spring-cloud-modules/spring-cloud-open-telemetry/spring-cloud-open-telemetry2/src/main/resources/application.properties

@@ -1,6 +1,2 @@
-server.port= 8081
+server.port=8091
 spring.application.name=price-service
-spring.sleuth.otel.config.trace-id-ratio-based=1.0
-spring.sleuth.otel.exporter.otlp.endpoint=https://sdk.playerzero.app/otlp
-spring.sleuth.otel.exporter.otlp.headers[Authorization]=Bearer XXXXXXXXX
-spring.sleuth.otel.exporter.otlp.headers[X-PzProd]=true