86 lines
3.2 KiB
Java
86 lines
3.2 KiB
Java
/*
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* Copyright (c) 2021, Red Hat, Inc.
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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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* @test
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* @bug 8258836
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* @summary JNI local refs exceed capacity getDiagnosticCommandInfo
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* @library /test/lib
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* @run main/othervm DcmdMBeanTestCheckJni
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*/
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import java.lang.management.ManagementFactory;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.management.MBeanServerConnection;
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import javax.management.remote.JMXConnectorFactory;
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import javax.management.remote.JMXConnector;
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import javax.management.remote.JMXConnectorServerFactory;
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import javax.management.remote.JMXServiceURL;
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import javax.management.remote.JMXConnectorServer;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class DcmdMBeanTestCheckJni {
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public static void main(String[] args) throws Exception {
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OutputAnalyzer out = ProcessTools.executeTestJvm(
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"-Xcheck:jni",
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DcmdMBeanRunner.class.getName());
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out.shouldNotMatch("WARNING: JNI local refs: \\d+, exceeds capacity: \\d+\\s+" +
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"at com.sun.management.internal.DiagnosticCommandImpl.getDiagnosticCommandInfo")
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.shouldContain("DcmdMBeanRunner COMPLETE")
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.shouldHaveExitValue(0);
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}
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}
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class DcmdMBeanRunner {
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private static final String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
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"com.sun.management:type=DiagnosticCommand";
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public static void main(String[] args) throws Exception {
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MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
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JMXServiceURL url = new JMXServiceURL("rmi", null, 0);
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JMXConnectorServer cs = null;
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JMXConnector cc = null;
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try {
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cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
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cs.start();
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JMXServiceURL addr = cs.getAddress();
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cc = JMXConnectorFactory.connect(addr);
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MBeanServerConnection mbsc = cc.getMBeanServerConnection();
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ObjectName name = new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME);
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System.out.println("DiagnosticCommand MBean: " + name);
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System.out.println("DcmdMBeanRunner COMPLETE");
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} finally {
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try {
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cc.close();
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cs.stop();
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} catch (Exception e) { /* ignored */ }
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}
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}
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}
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