From e89063cc073de91f29c733fdffb22517201f33b6 Mon Sep 17 00:00:00 2001
From: Johannes Edmeier <johannes.edmeier@gmail.com>
Date: Sun, 5 Jun 2016 18:47:49 +0200
Subject: [PATCH] Close connection after use in LiquibaseEndpoint

Update LiquibaseEndpoint so that connections are closed and returned to
the pool after use.

Fixes gh-6118
---
 .../boot/actuate/endpoint/LiquibaseEndpoint.java         | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/LiquibaseEndpoint.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/LiquibaseEndpoint.java
index 796beb373e6..132567fb6dd 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/LiquibaseEndpoint.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/LiquibaseEndpoint.java
@@ -54,8 +54,13 @@ public class LiquibaseEndpoint extends AbstractEndpoint<List<Map<String, ?>>> {
 			DatabaseFactory factory = DatabaseFactory.getInstance();
 			DataSource dataSource = this.liquibase.getDataSource();
 			JdbcConnection connection = new JdbcConnection(dataSource.getConnection());
-			Database database = factory.findCorrectDatabaseImplementation(connection);
-			return service.queryDatabaseChangeLogTable(database);
+			try {
+				Database database = factory.findCorrectDatabaseImplementation(connection);
+				return service.queryDatabaseChangeLogTable(database);
+			}
+			finally {
+				connection.close();
+			}
 		}
 		catch (Exception ex) {
 			throw new IllegalStateException("Unable to get Liquibase changelog", ex);