From 2a19b8f7a5f9dcc43831b2f674b76c9bd1fa6d31 Mon Sep 17 00:00:00 2001
From: Sebastien Deleuze <sdeleuze@pivotal.io>
Date: Wed, 5 Jun 2019 11:52:00 +0200
Subject: [PATCH] Refine Coroutines adapter registration activation

Closes gh-23087
---
 .../org/springframework/core/ReactiveAdapterRegistry.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spring-core/src/main/java/org/springframework/core/ReactiveAdapterRegistry.java b/spring-core/src/main/java/org/springframework/core/ReactiveAdapterRegistry.java
index cec67543ed9..9c5a65da69f 100644
--- a/spring-core/src/main/java/org/springframework/core/ReactiveAdapterRegistry.java
+++ b/spring-core/src/main/java/org/springframework/core/ReactiveAdapterRegistry.java
@@ -97,11 +97,11 @@ public class ReactiveAdapterRegistry {
 		// We can fall back on "reactive-streams-flow-bridge" (once released)
 
 		// Coroutines
-		if (ClassUtils.isPresent("kotlinx.coroutines.Deferred", classLoader)) {
+		if (reactorPresent && ClassUtils.isPresent("kotlinx.coroutines.Deferred", classLoader)) {
 			new CoroutinesRegistrar().registerAdapters(this);
 		}
 		// TODO Use a single CoroutinesRegistrar when Flow will be not experimental anymore
-		if (ClassUtils.isPresent("kotlinx.coroutines.flow.Flow", classLoader)) {
+		if (reactorPresent && ClassUtils.isPresent("kotlinx.coroutines.flow.Flow", classLoader)) {
 			new CoroutinesFlowRegistrar().registerAdapters(this);
 		}
 	}