75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
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* Copyright 2014 Goldman Sachs.
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* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 7142035
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* @summary Assert in java.lang.instrument agents during shutdown when classloading occurs after shutdown
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* @library /test/lib
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*
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* @modules java.instrument
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* java.management
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* @build DummyAgent DummyClass TestDaemonThreadLauncher TestDaemonThread
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* @run shell ../MakeJAR3.sh DummyAgent
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* @run main/timeout=240 TestDaemonThreadLauncher
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*
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*/
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import java.io.File;
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import java.net.URL;
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import java.net.URLClassLoader;
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public class TestDaemonThread implements Runnable{
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File classpath;
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public TestDaemonThread(File classpath) {
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this.classpath = classpath;
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}
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@Override
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public void run() {
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try {
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URL u = this.getClass().getClassLoader().getResource("DummyClass.class");
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String path = u.getPath();
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String parent = u.getPath().substring(0, path.lastIndexOf('/')+1);
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URL parentURL = new URL(u, parent);
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System.out.println(parentURL);
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/* Load lots of class by creating multiple classloaders */
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for(;;) {
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ClassLoader cl = new URLClassLoader(new URL[] {parentURL}, null);
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cl.loadClass("DummyClass");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void main(String[] args) throws Exception {
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Thread t = new Thread(new TestDaemonThread(new File(args[0])));
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/* The important part of the bug is that a Daemon thread can continue to load classes after shutdown */
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t.setDaemon(true);
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t.start();
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Thread.sleep(200);
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}
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}
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