Change cacheServerFactoryBean in the nested Application ClientCacheConfiguration class, clientCacheServerPortConfigurer bean definition to properly denote the ClientCacheFatoryBean.

Move the @SuppressWarnings("unused") declaration out of the documenation source code reference.

samples/boot/gemfire/src/main/java/sample/client/Application.java

@@ -61,6 +61,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
  * @see org.apache.geode.cache.client.Pool
  * @since 1.2.1
  */
+@SuppressWarnings("unused")
 // tag::class[]
 @SpringBootApplication // <1>
 @Controller // <2>
@@ -89,8 +90,8 @@ public class Application {
 		ClientCacheConfigurer clientCacheServerPortConfigurer(
 				@Value("${spring.session.data.geode.cache.server.port:40404}") int port) {  // <5>
 
-			return (beanName, cacheServerFactoryBean) ->
-				cacheServerFactoryBean.setServers(Collections.singletonList(
+			return (beanName, clientCacheFactoryBean) ->
+				clientCacheFactoryBean.setServers(Collections.singletonList(
 					newConnectionEndpoint("localhost", port)));
 		}
 	}

samples/boot/gemfire/src/main/java/sample/server/GemFireServer.java

@@ -38,12 +38,12 @@ import org.springframework.session.data.gemfire.config.annotation.web.http.Enabl
  * @see org.apache.geode.cache.Cache
  * @since 1.2.1
  */
+@SuppressWarnings("unused")
 // tag::class[]
 @SpringBootApplication // <1>
 @CacheServerApplication(name = "SpringSessionDataGeodeServerBootSample", logLevel = "warning") // <2>
 @EnableGemFireHttpSession(maxInactiveIntervalInSeconds = 20) // <3>
 @EnableManager(start = true) // <4>
-@SuppressWarnings("unused")
 public class GemFireServer {
 
 	public static void main(String[] args) {