Merge pull request #3081 from mapfish/backport/3072-to-3.29

[Backport 3.29] Close the database connection

Author: sebr72

core/src/main/java/org/mapfish/print/output/AbstractJasperReportOutputFormat.java

@@ -181,19 +181,22 @@ public final Print getJasperPrint(
 
         }
         if (template.getJdbcUrl() != null) {
-            Connection connection;
-            if (template.getJdbcUser() != null) {
-                connection = DriverManager.getConnection(
+            Connection connection = null;
+            try {
+                if (template.getJdbcUser() != null) {
+                    connection = DriverManager.getConnection(
                         template.getJdbcUrl(), template.getJdbcUser(), template.getJdbcPassword());
-            } else {
-                connection = DriverManager.getConnection(template.getJdbcUrl());
-            }
+                } else {
+                    connection = DriverManager.getConnection(template.getJdbcUrl());
+                }
 
-            print = fillManager.fill(
-                    jasperTemplateBuild.getAbsolutePath(),
-                    values.asMap(),
-                    connection);
+                print = fillManager.fill(jasperTemplateBuild.getAbsolutePath(), values.asMap(), connection);
 
+            } finally {
+                if (connection != null && !connection.isClosed()) {
+                    connection.close();
+                }
+            }
         } else {
             JRDataSource dataSource;
             if (template.getTableDataKey() != null) {