Release - 9.0

pom.xml

@@ -32,7 +32,7 @@
     <!-- Metrics -->
     <hibernate-micrometer.version>6.3.0.Final</hibernate-micrometer.version>
     <datasource-micrometer.version>1.0.2</datasource-micrometer.version>
-    <opentelemetry-exporter-otlp.version>1.28.0</opentelemetry-exporter-otlp.version>
+    <opentelemetry-exporter-otlp.version>1.30.1</opentelemetry-exporter-otlp.version>
 
     <!-- Lombok & Mapstruct -->
     <projectlombok.version>1.18.28</projectlombok.version>

src/main/java/com/mycompany/microservice/api/infra/otlp/OtlpConfiguration.java

@@ -0,0 +1,39 @@
+package com.mycompany.microservice.api.infra.otlp;
+
+import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporter;
+import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporterBuilder;
+import java.util.Map.Entry;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.boot.actuate.autoconfigure.tracing.otlp.OtlpProperties;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableConfigurationProperties(OtlpProperties.class)
+public class OtlpConfiguration {
+
+  // For some reason breaking change was introduced, and we need to pass a default value
+  private static final String OTLP_DEFAULT = "http://localhost:4318/api/traces";
+
+  // OtlpAutoConfiguration use HTTP by default, we update it to use GRPC
+  // https://github.com/spring-projects/spring-boot/blob/main/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/otlp/OtlpAutoConfiguration.java
+  @Bean
+  public OtlpGrpcSpanExporter otlpExporter(final OtlpProperties properties) {
+
+    final OtlpGrpcSpanExporterBuilder builder =
+        OtlpGrpcSpanExporter.builder()
+            .setEndpoint(
+                StringUtils.isNotBlank(properties.getEndpoint())
+                    ? properties.getEndpoint()
+                    : OTLP_DEFAULT)
+            .setTimeout(properties.getTimeout())
+            .setCompression(String.valueOf(properties.getCompression()).toLowerCase());
+
+    for (final Entry<String, String> header : properties.getHeaders().entrySet()) {
+      builder.addHeader(header.getKey(), header.getValue());
+    }
+
+    return builder.build();
+  }
+}