diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceBeanCreationFailureAnalyzerTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceBeanCreationFailureAnalyzerTests.java
index a8d382b256..e9d92f6c29 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceBeanCreationFailureAnalyzerTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceBeanCreationFailureAnalyzerTests.java
@@ -59,8 +59,8 @@ public class DataSourceBeanCreationFailureAnalyzerTests {
 	public void failureAnalysisIsPerformedWithActiveProfiles() {
 		this.environment.setActiveProfiles("first", "second");
 		FailureAnalysis failureAnalysis = performAnalysis(TestConfiguration.class);
-		assertThat(failureAnalysis.getAction()).contains(
-				"(the profiles first,¬second are currently active)");
+		assertThat(failureAnalysis.getAction())
+				.contains("(the profiles first,¬second are currently active)");
 	}
 
 	private FailureAnalysis performAnalysis(Class<?> configuration) {
@@ -77,6 +77,7 @@ public class DataSourceBeanCreationFailureAnalyzerTests {
 			context.setEnvironment(this.environment);
 			context.register(configuration);
 			context.refresh();
+			context.close();
 			return null;
 		}
 		catch (BeanCreationException ex) {
diff --git a/spring-boot-samples/spring-boot-sample-kafka/src/main/java/sample/kafka/SampleKafkaApplication.java b/spring-boot-samples/spring-boot-sample-kafka/src/main/java/sample/kafka/SampleKafkaApplication.java
index 3897ddfe9b..464b81381e 100644
--- a/spring-boot-samples/spring-boot-sample-kafka/src/main/java/sample/kafka/SampleKafkaApplication.java
+++ b/spring-boot-samples/spring-boot-sample-kafka/src/main/java/sample/kafka/SampleKafkaApplication.java
@@ -30,7 +30,7 @@ public class SampleKafkaApplication {
 
 	@Bean
 	public ApplicationRunner runner(Producer producer) {
-		return args -> producer.send(new SampleMessage(1, "A simple test message"));
+		return (args) -> producer.send(new SampleMessage(1, "A simple test message"));
 	}
 
 }