1 //
2 //  ========================================================================
3 //  Copyright (c) 1995-2014 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 import javax.imageio.ImageIO;
22 
23 /**
24  * AppContextLeakPreventer
25  *
26  * Cause the classloader that is pinned by AppContext.getAppContext() to be
27  * a container or system classloader, not a webapp classloader.
28  *
29  * Inspired by Tomcat JreMemoryLeakPrevention.
30  */
31 public class AppContextLeakPreventer extends AbstractLeakPreventer
32 {
33     /* ------------------------------------------------------------ */
34     @Override
prevent(ClassLoader loader)35     public void prevent(ClassLoader loader)
36     {
37         LOG.debug("Pinning classloader for AppContext.getContext() with "+loader);
38         ImageIO.getUseCache();
39     }
40 
41 }
42