diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HashMapSessionConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HashMapSessionConfiguration.java
index 332df6d2720b..1909ed45f793 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HashMapSessionConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HashMapSessionConfiguration.java
@@ -16,6 +16,7 @@
 
 package org.springframework.boot.autoconfigure.session;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
@@ -33,6 +34,7 @@
 @Configuration
 @EnableSpringHttpSession
 @Conditional(SessionCondition.class)
+@ConditionalOnMissingBean(SessionRepository.class)
 class HashMapSessionConfiguration {
 
 	@Bean
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HazelcastSessionConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HazelcastSessionConfiguration.java
index 6667e2b9232c..d157a7f1c38d 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HazelcastSessionConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/HazelcastSessionConfiguration.java
@@ -20,8 +20,10 @@
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.session.SessionRepository;
 import org.springframework.session.hazelcast.config.annotation.web.http.HazelcastHttpSessionConfiguration;
 
 /**
@@ -32,6 +34,7 @@
  * @author Stephane Nicoll
  */
 @Configuration
+@ConditionalOnMissingBean(SessionRepository.class)
 @ConditionalOnBean(HazelcastInstance.class)
 @Conditional(SessionCondition.class)
 class HazelcastSessionConfiguration {
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/JdbcSessionConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/JdbcSessionConfiguration.java
index ce82048e2ce8..b4fae61db43d 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/JdbcSessionConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/JdbcSessionConfiguration.java
@@ -20,8 +20,10 @@
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.session.SessionRepository;
 import org.springframework.session.jdbc.config.annotation.web.http.JdbcHttpSessionConfiguration;
 
 /**
@@ -31,6 +33,7 @@
  * @author Stephane Nicoll
  */
 @Configuration
+@ConditionalOnMissingBean(SessionRepository.class)
 @ConditionalOnBean(DataSource.class)
 @Conditional(SessionCondition.class)
 class JdbcSessionConfiguration {
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/MongoSessionConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/MongoSessionConfiguration.java
index 2c8ac38703dc..bab9710e4592 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/MongoSessionConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/MongoSessionConfiguration.java
@@ -18,9 +18,11 @@
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.session.SessionRepository;
 import org.springframework.session.data.mongo.config.annotation.web.http.MongoHttpSessionConfiguration;
 
 /**
@@ -30,6 +32,7 @@
  * @author Stephane Nicoll
  */
 @Configuration
+@ConditionalOnMissingBean(SessionRepository.class)
 @ConditionalOnBean(MongoOperations.class)
 @Conditional(SessionCondition.class)
 class MongoSessionConfiguration {
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/RedisSessionConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/RedisSessionConfiguration.java
index 34413198b5da..d1f59f902a13 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/RedisSessionConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/RedisSessionConfiguration.java
@@ -18,10 +18,12 @@
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.redis.connection.RedisConnectionFactory;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.session.SessionRepository;
 import org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration;
 
 /**
@@ -33,6 +35,7 @@
  * @author Stephane Nicoll
  */
 @Configuration
+@ConditionalOnMissingBean(SessionRepository.class)
 @ConditionalOnBean({ RedisTemplate.class, RedisConnectionFactory.class })
 @Conditional(SessionCondition.class)
 class RedisSessionConfiguration {
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
index 27f45adcd339..d4f6608a83dd 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
@@ -44,9 +44,9 @@
  * @since 1.4.0
  */
 @Configuration
+@ConditionalOnMissingBean(SessionRepository.class)
 @ConditionalOnClass(Session.class)
 @ConditionalOnWebApplication
-@ConditionalOnMissingBean(SessionRepository.class)
 @EnableConfigurationProperties(SessionProperties.class)
 @AutoConfigureAfter({ DataSourceAutoConfiguration.class, HazelcastAutoConfiguration.class,
 		MongoAutoConfiguration.class, RedisAutoConfiguration.class })
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/StoreType.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/StoreType.java
index 0be56272607d..d2bff4c41653 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/StoreType.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/StoreType.java
@@ -26,24 +26,24 @@
 public enum StoreType {
 
 	/**
-	 * JDBC backed sessions.
+	 * Redis backed sessions.
 	 */
-	JDBC,
+	REDIS,
 
 	/**
-	 * Mongo backed sessions.
+	 * Hazelcast backed sessions.
 	 */
-	MONGO,
+	HAZELCAST,
 
 	/**
-	 * Redis backed sessions.
+	 * Mongo backed sessions.
 	 */
-	REDIS,
+	MONGO,
 
 	/**
-	 * Hazelcast backed sessions.
+	 * JDBC backed sessions.
 	 */
-	HAZELCAST,
+	JDBC,
 
 	/**
 	 * Simple in-memory map of sessions.
diff --git a/spring-boot-samples/spring-boot-sample-session-redis/src/test/java/sample/session/redis/SampleSessionRedisApplicationTests.java b/spring-boot-samples/spring-boot-sample-session-redis/src/test/java/sample/session/redis/SampleSessionRedisApplicationTests.java
index d83a112052a2..a18af6395000 100644
--- a/spring-boot-samples/spring-boot-sample-session-redis/src/test/java/sample/session/redis/SampleSessionRedisApplicationTests.java
+++ b/spring-boot-samples/spring-boot-sample-session-redis/src/test/java/sample/session/redis/SampleSessionRedisApplicationTests.java
@@ -56,6 +56,7 @@ public void sessionExpiry() throws Exception {
 			if (!redisServerRunning(ex)) {
 				return;
 			}
+			throw ex;
 		}
 
 		URI uri = URI.create("http://localhost:" + port + "/");