From a35929b06dd61a1c6dee292b209e30985ac72f26 Mon Sep 17 00:00:00 2001
From: Marcin Grzejszczak <marcin.grzejszczak@gmail.com>
Date: Thu, 29 Apr 2021 17:05:42 +0200
Subject: [PATCH] Use equality instead of contains

---
 .../instrument/rsocket/TraceRSocketAutoConfiguration.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/rsocket/TraceRSocketAutoConfiguration.java b/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/rsocket/TraceRSocketAutoConfiguration.java
index 85520486a..a1584823b 100644
--- a/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/rsocket/TraceRSocketAutoConfiguration.java
+++ b/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/rsocket/TraceRSocketAutoConfiguration.java
@@ -69,7 +69,7 @@ public class TraceRSocketAutoConfiguration {
 	}
 
 	private boolean containsZipkinPropagationType(List<String> types) {
-		return types.stream().anyMatch(s -> s.toLowerCase(Locale.ROOT).contains("b3"));
+		return types.stream().anyMatch(s -> s.equalsIgnoreCase("b3"));
 	}
 
 	@Bean