1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.util.preventers;
20
21 /**
22 * LoginConfigurationLeakPreventer
23 *
24 * The javax.security.auth.login.Configuration class keeps a static reference to the
25 * thread context classloader. We prevent a webapp context classloader being used for
26 * that by invoking the classloading here.
27 *
28 * Inspired by Tomcat JreMemoryLeakPrevention
29 */
30 public class LoginConfigurationLeakPreventer extends AbstractLeakPreventer
31 {
32 /* ------------------------------------------------------------ */
33 /**
34 * @see org.eclipse.jetty.util.preventers.AbstractLeakPreventer#prevent(java.lang.ClassLoader)
35 */
36 @Override
37 public void prevent(ClassLoader loader)
38 {
39 try
40 {
41 Class.forName("javax.security.auth.login.Configuration", true, loader);
42 }
43 catch (ClassNotFoundException e)
44 {
45 LOG.warn(e);
46 }
47 }
48
49 }