diff --git a/jetty-util/src/main/java/org/eclipse/jetty/util/preventers/GCThreadLeakPreventer.java b/jetty-util/src/main/java/org/eclipse/jetty/util/preventers/GCThreadLeakPreventer.java deleted file mode 100644 index a30382045d2..00000000000 --- a/jetty-util/src/main/java/org/eclipse/jetty/util/preventers/GCThreadLeakPreventer.java +++ /dev/null @@ -1,59 +0,0 @@ -// -// ======================================================================== -// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others. -// -// This program and the accompanying materials are made available under -// the terms of the Eclipse Public License 2.0 which is available at -// https://www.eclipse.org/legal/epl-2.0 -// -// This Source Code may also be made available under the following -// Secondary Licenses when the conditions for such availability set -// forth in the Eclipse Public License, v. 2.0 are satisfied: -// the Apache License v2.0 which is available at -// https://www.apache.org/licenses/LICENSE-2.0 -// -// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 -// ======================================================================== -// - -package org.eclipse.jetty.util.preventers; - -import java.lang.reflect.Method; - -/** - * GCThreadLeakPreventer - * - * Prevents a call to sun.misc.GC.requestLatency pinning a webapp classloader - * by calling it with a non-webapp classloader. The problem appears to be that - * when this method is called, a daemon thread is created which takes the - * context classloader. A known caller of this method is the RMI impl. See - * http://stackoverflow.com/questions/6626680/does-java-garbage-collection-log-entry-full-gc-system-mean-some-class-called - * - * This preventer will start the thread with the longest possible interval, although - * subsequent calls can vary that. Recommend to only use this class if you're doing - * RMI. - * - * Inspired by Tomcat JreMemoryLeakPrevention. - */ -public class GCThreadLeakPreventer extends AbstractLeakPreventer -{ - - @Override - public void prevent(ClassLoader loader) - { - try - { - Class clazz = Class.forName("sun.misc.GC"); - Method requestLatency = clazz.getMethod("requestLatency", new Class[]{long.class}); - requestLatency.invoke(null, (Long)(Long.MAX_VALUE - 1)); - } - catch (ClassNotFoundException e) - { - LOG.trace("IGNORED", e); - } - catch (Exception e) - { - LOG.warn("Unable to set GC latency", e); - } - } -}