DefaultContextPropagators is not public anymore, we should use ContextPropagators with a composite TextMapPropagator (MultiTextMapPropagator).

Author: jonatan-ivanov

spring-cloud-sleuth-otel-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/otel/OtelAutoConfiguration.java

@@ -147,4 +147,5 @@ Sampler otelSampler(OtelProperties otelProperties) {
 	SleuthContextListener sleuthContextListener() {
 		return new SleuthContextListener();
 	}
+
 }

spring-cloud-sleuth-otel-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/otel/OtelPropagationConfiguration.java

@@ -22,7 +22,6 @@
 
 import io.opentelemetry.context.Context;
 import io.opentelemetry.context.propagation.ContextPropagators;
-import io.opentelemetry.context.propagation.DefaultContextPropagators;
 import io.opentelemetry.context.propagation.TextMapPropagator;
 
 import org.springframework.beans.factory.BeanFactory;
@@ -62,9 +61,8 @@ ContextPropagators otelContextPropagators(ObjectProvider<List<TextMapPropagator>
 		if (mapPropagators.isEmpty()) {
 			return noOpContextPropagator();
 		}
-		DefaultContextPropagators.Builder builder = DefaultContextPropagators.builder();
-		mapPropagators.forEach(builder::addTextMapPropagator);
-		return builder.build();
+
+		return ContextPropagators.create(TextMapPropagator.composite(mapPropagators));
 	}
 
 	private ContextPropagators noOpContextPropagator() {