From b2df1ec742afec9eb94826f42c38238927dc0ffc Mon Sep 17 00:00:00 2001
From: Jonatan Ivanov <jonatan.ivanov@gmail.com>
Date: Thu, 28 Oct 2021 13:19:14 -0700
Subject: [PATCH] Add default implementation to Tracer#currentTraceContext

---
 .../main/java/org/springframework/cloud/sleuth/Tracer.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-sleuth-api/src/main/java/org/springframework/cloud/sleuth/Tracer.java b/spring-cloud-sleuth-api/src/main/java/org/springframework/cloud/sleuth/Tracer.java
index fda39b613..6e2ee26a9 100644
--- a/spring-cloud-sleuth-api/src/main/java/org/springframework/cloud/sleuth/Tracer.java
+++ b/spring-cloud-sleuth-api/src/main/java/org/springframework/cloud/sleuth/Tracer.java
@@ -146,7 +146,9 @@ public interface Tracer extends BaggageManager {
 	 * @return current trace context
 	 */
 	@Nullable
-	CurrentTraceContext currentTraceContext();
+	default CurrentTraceContext currentTraceContext() {
+		return null;
+	}
 
 	/**
 	 * Allows to customize the current span in scope.