diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java
index d214da4547..f92c387f58 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java
@@ -115,18 +115,14 @@ public class LiquibaseAutoConfiguration {
 		}
 
 		private SpringLiquibase createSpringLiquibase() {
-			SpringLiquibase liquibase;
-			DataSource dataSourceToUse = getDataSource();
-			if (dataSourceToUse == null) {
-				dataSourceToUse = DataSourceBuilder.create().url(this.properties.getUrl())
-						.username(this.properties.getUser())
-						.password(this.properties.getPassword()).build();
-				liquibase = new DataSourceClosingSpringLiquibase();
+			DataSource liquibaseDataSource = getDataSource();
+			if (liquibaseDataSource != null) {
+				SpringLiquibase liquibase = new SpringLiquibase();
+				liquibase.setDataSource(liquibaseDataSource);
+				return liquibase;
 			}
-			else {
-				liquibase = new SpringLiquibase();
-			}
-			liquibase.setDataSource(dataSourceToUse);
+			SpringLiquibase liquibase = new DataSourceClosingSpringLiquibase();
+			liquibase.setDataSource(createNewDataSource());
 			return liquibase;
 		}
 
@@ -134,12 +130,18 @@ public class LiquibaseAutoConfiguration {
 			if (this.liquibaseDataSource != null) {
 				return this.liquibaseDataSource;
 			}
-			else if (this.properties.getUrl() == null) {
+			if (this.properties.getUrl() == null) {
 				return this.dataSource;
 			}
 			return null;
 		}
 
+		private DataSource createNewDataSource() {
+			return DataSourceBuilder.create().url(this.properties.getUrl())
+					.username(this.properties.getUser())
+					.password(this.properties.getPassword()).build();
+		}
+
 	}
 
 	/**
@@ -171,8 +173,8 @@ public class LiquibaseAutoConfiguration {
 		}
 
 		private void closeDataSource() {
-			Method closeMethod = ReflectionUtils.findMethod(getDataSource().getClass(),
-					"close");
+			Class<?> dataSourceClass = getDataSource().getClass();
+			Method closeMethod = ReflectionUtils.findMethod(dataSourceClass, "close");
 			if (closeMethod != null) {
 				ReflectionUtils.invokeMethod(closeMethod, getDataSource());
 			}
diff --git a/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/Deprecation.java b/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/Deprecation.java
index 061d7a4629..0f9d228184 100644
--- a/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/Deprecation.java
+++ b/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/Deprecation.java
@@ -73,8 +73,8 @@ public class Deprecation implements Serializable {
 
 	@Override
 	public String toString() {
-		return "Deprecation{" + "level='" + this.level + '\'' + ", reason='"
-				+ this.reason + '\'' + ", replacement='" + this.replacement + '\'' + '}';
+		return "Deprecation{" + "level='" + this.level + '\'' + ", reason='" + this.reason
+				+ '\'' + ", replacement='" + this.replacement + '\'' + '}';
 	}
 
 	/**
diff --git a/spring-boot-tools/spring-boot-configuration-metadata/src/test/java/org/springframework/boot/configurationmetadata/JsonReaderTests.java b/spring-boot-tools/spring-boot-configuration-metadata/src/test/java/org/springframework/boot/configurationmetadata/JsonReaderTests.java
index 567c341daa..da8ebe832f 100644
--- a/spring-boot-tools/spring-boot-configuration-metadata/src/test/java/org/springframework/boot/configurationmetadata/JsonReaderTests.java
+++ b/spring-boot-tools/spring-boot-configuration-metadata/src/test/java/org/springframework/boot/configurationmetadata/JsonReaderTests.java
@@ -157,8 +157,7 @@ public class JsonReaderTests extends AbstractConfigurationMetadataTests {
 				.isEqualTo("Server namespace has moved to spring.server");
 		assertThat(item.getDeprecation().getReplacement())
 				.isEqualTo("server.spring.port");
-		assertThat(item.getDeprecation().getLevel())
-				.isEqualTo(Deprecation.Level.WARNING);
+		assertThat(item.getDeprecation().getLevel()).isEqualTo(Deprecation.Level.WARNING);
 
 		ConfigurationMetadataItem item2 = items.get(1);
 		assertProperty(item2, "server.cluster-name", "server.cluster-name", String.class,
@@ -166,8 +165,7 @@ public class JsonReaderTests extends AbstractConfigurationMetadataTests {
 		assertThat(item2.isDeprecated()).isTrue();
 		assertThat(item2.getDeprecation().getReason()).isNull();
 		assertThat(item2.getDeprecation().getReplacement()).isNull();
-		assertThat(item.getDeprecation().getLevel())
-				.isEqualTo(Deprecation.Level.WARNING);
+		assertThat(item.getDeprecation().getLevel()).isEqualTo(Deprecation.Level.WARNING);
 
 		ConfigurationMetadataItem item3 = items.get(2);
 		assertProperty(item3, "spring.server.name", "spring.server.name", String.class,
@@ -176,16 +174,17 @@ public class JsonReaderTests extends AbstractConfigurationMetadataTests {
 		assertThat(item3.getDeprecation()).isEqualTo(null);
 
 		ConfigurationMetadataItem item4 = items.get(3);
-		assertProperty(item4, "spring.server-name", "spring.server-name", String.class, null);
+		assertProperty(item4, "spring.server-name", "spring.server-name", String.class,
+				null);
 		assertThat(item4.isDeprecated()).isTrue();
 		assertThat(item4.getDeprecation().getReason()).isNull();
 		assertThat(item4.getDeprecation().getReplacement())
 				.isEqualTo("spring.server.name");
-		assertThat(item4.getDeprecation().getLevel())
-				.isEqualTo(Deprecation.Level.ERROR);
+		assertThat(item4.getDeprecation().getLevel()).isEqualTo(Deprecation.Level.ERROR);
 
 		ConfigurationMetadataItem item5 = items.get(4);
-		assertProperty(item5, "spring.server-name2", "spring.server-name2", String.class, null);
+		assertProperty(item5, "spring.server-name2", "spring.server-name2", String.class,
+				null);
 		assertThat(item5.isDeprecated()).isTrue();
 		assertThat(item5.getDeprecation().getReason()).isNull();
 		assertThat(item5.getDeprecation().getReplacement())