74 lines
2.4 KiB
Java
74 lines
2.4 KiB
Java
/*
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* Copyright (c) 2012, 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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/*
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* Portions Copyright (c) 2012 IBM Corporation
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*/
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/**
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* @test
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* @bug 7164191
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* @summary properties.putAll API may fail with ConcurrentModifcationException on multi-thread scenario
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* @author Deven You
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*/
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import java.util.Properties;
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import sun.management.Agent;
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public class AgentCMETest {
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static Class<?> agentClass;
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/**
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* In sun.management.Agent.loadManagementProperties(), call
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* properties.putAll API may fail with ConcurrentModifcationException if the
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* system properties are modified simultaneously by another thread
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*
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* @param args
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* @throws Exception
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*/
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public static void main(String[] args) throws Exception {
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System.out.println("Start...");
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final Properties properties = System.getProperties();
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Thread t1 = new Thread(new Runnable() {
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public void run() {
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for (int i = 0; i < 100; i++) {
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properties.put(String.valueOf(i), "");
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try {
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Thread.sleep(1);
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} catch (InterruptedException e) {
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// do nothing
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}
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}
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}
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});
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t1.start();
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for (int i = 0; i < 10000; i++) {
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Agent.loadManagementProperties();
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}
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System.out.println("Finished...");
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}
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}
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