org.eclipse.jetty.util.preventers.DOMLeakPreventer Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
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//
package org.eclipse.jetty.util.preventers;
import javax.xml.parsers.DocumentBuilderFactory;
/**
* DOMLeakPreventer
*
* See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6916498
*
* Prevent the RuntimeException that is a static member of AbstractDOMParser
* from pinning a webapp classloader by causing it to be set here by a non-webapp classloader.
*
* Note that according to the bug report, a heap dump may not identify the GCRoot, making
* it difficult to identify the cause of the leak.
*
*/
public class DOMLeakPreventer extends AbstractLeakPreventer
{
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.util.preventers.AbstractLeakPreventer#prevent(java.lang.ClassLoader)
*/
@Override
public void prevent(ClassLoader loader)
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
try
{
factory.newDocumentBuilder();
}
catch (Exception e)
{
LOG.warn(e);
}
}
}