diff --git a/modules/transports/core/nhttp/src/main/java/org/apache/synapse/transport/utils/sslcert/adaptor/ParentLastClassLoader.java b/modules/transports/core/nhttp/src/main/java/org/apache/synapse/transport/utils/sslcert/adaptor/ParentLastClassLoader.java
index ecdac713d..6b6c410b1 100644
--- a/modules/transports/core/nhttp/src/main/java/org/apache/synapse/transport/utils/sslcert/adaptor/ParentLastClassLoader.java
+++ b/modules/transports/core/nhttp/src/main/java/org/apache/synapse/transport/utils/sslcert/adaptor/ParentLastClassLoader.java
@@ -82,8 +82,7 @@ protected synchronized Class<?> loadClass(String className,
             }
 
             for (File jarFile : jarFiles) {
-                try {
-                    JarFile jar = new JarFile(jarFile);
+                try (JarFile jar = new JarFile(jarFile)){
                     JarEntry entry = jar.getJarEntry(className.replace(".", "/") + ".class");
                     InputStream is = jar.getInputStream(entry);
                     ByteArrayOutputStream byteStream = new ByteArrayOutputStream();