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 * LDAPLeakPreventer
23 *
24 * If com.sun.jndi.LdapPoolManager class is loaded and the system property
25 * com.sun.jndi.ldap.connect.pool.timeout is set to a nonzero value, a daemon
26 * thread is started which can pin a webapp classloader if it is the first to
27 * load the LdapPoolManager.
28 *
29 * Inspired by Tomcat JreMemoryLeakPrevention
30 *
31 */
32 public class LDAPLeakPreventer extends AbstractLeakPreventer
33 {
34 /* ------------------------------------------------------------ */
35 /**
36 * @see org.eclipse.jetty.util.preventers.AbstractLeakPreventer#prevent(java.lang.ClassLoader)
37 */
38 @Override
39 public void prevent(ClassLoader loader)
40 {
41 try
42 {
43 Class.forName("com.sun.jndi.LdapPoolManager", true, loader);
44 }
45 catch (ClassNotFoundException e)
46 {
47 LOG.ignore(e);
48 }
49 }
50
51 }