| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase; |
| import static org.junit.Assert.fail; |
| import java.io.IOException; |
| import javax.management.MBeanServerConnection; |
| import javax.management.remote.JMXConnector; |
| import javax.management.remote.JMXConnectorFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.coprocessor.CoprocessorHost; |
| import org.apache.hadoop.hbase.net.BoundSocketMaker; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.util.JVMClusterUtil; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({MiscTests.class, MediumTests.class}) |
| public class TestJMXListener { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestJMXListener.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestJMXListener.class); |
| private static HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| private static int CONNECTOR_PORT; |
| |
| @BeforeClass |
| public static void setupBeforeClass() throws Exception { |
| // Default RMI timeouts are too long. Make them short for test. |
| System.setProperty("sun.rmi.transport.connectionTimeout", Integer.toString(5000)); |
| System.setProperty("sun.rmi.transport.tcp.handshakeTimeout", Integer.toString(5000)); |
| System.setProperty("sun.rmi.transport.tcp.responseTimeout", Integer.toString(5000)); |
| System.setProperty("sun.rmi.transport.tcp.readTimeout", Integer.toString(5000)); |
| Configuration conf = UTIL.getConfiguration(); |
| // To test what happens when the jmx listener can't put up its port, uncomment the below. |
| BoundSocketMaker bsm = null; // new BoundSocketMaker(HBaseTestingUtility::randomFreePort); |
| conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, JMXListener.class.getName()); |
| CONNECTOR_PORT = bsm == null? HBaseTestingUtility.randomFreePort(): bsm.getPort(); |
| // Make sure the JMX listener is up before we proceed. If it is not up, retry. It may not |
| // come up if there is a port clash/bind exception except its called something else in rmi. |
| for (int i = 0; i < 10; i++) { |
| conf.setInt("regionserver.rmi.registry.port", CONNECTOR_PORT); |
| UTIL.startMiniCluster(); |
| // Make sure we can get make a JMX connection before proceeding. It may have failed setup |
| // because of port clash/bind-exception. Deal with it here. |
| JMXConnector connector = null; |
| try { |
| connector = JMXConnectorFactory. |
| connect(JMXListener.buildJMXServiceURL(CONNECTOR_PORT, CONNECTOR_PORT)); |
| break; |
| } catch (IOException ioe) { |
| UTIL.shutdownMiniCluster(); |
| CONNECTOR_PORT = HBaseTestingUtility.randomFreePort(); |
| } finally { |
| if (connector != null) { |
| connector.close(); |
| } |
| } |
| } |
| if (bsm != null) { |
| bsm.close(); |
| } |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testStart() throws Exception { |
| JMXConnector connector = JMXConnectorFactory.connect( |
| JMXListener.buildJMXServiceURL(CONNECTOR_PORT, CONNECTOR_PORT)); |
| |
| MBeanServerConnection mb = connector.getMBeanServerConnection(); |
| String domain = mb.getDefaultDomain(); |
| Assert.assertTrue("default domain is not correct", |
| !domain.isEmpty()); |
| connector.close(); |
| |
| } |
| |
| //shutdown hbase only. then try connect, IOException expected |
| @Rule |
| public ExpectedException expectedEx = ExpectedException.none(); |
| @Test |
| public void testStop() throws Exception { |
| MiniHBaseCluster cluster = UTIL.getHBaseCluster(); |
| LOG.info("shutdown hbase cluster..."); |
| cluster.shutdown(); |
| LOG.info("wait for the hbase cluster shutdown..."); |
| cluster.waitUntilShutDown(); |
| |
| JMXConnector connector = JMXConnectorFactory.newJMXConnector( |
| JMXListener.buildJMXServiceURL(CONNECTOR_PORT, CONNECTOR_PORT), null); |
| expectedEx.expect(IOException.class); |
| connector.connect(); |
| |
| } |
| |
| @Test |
| public void testGetRegionServerCoprocessors() throws Exception { |
| for (JVMClusterUtil.RegionServerThread rs : UTIL.getHBaseCluster().getRegionServerThreads()) { |
| boolean find = false; |
| for (String s : rs.getRegionServer().getRegionServerCoprocessors()) { |
| if (s.equals(JMXListener.class.getSimpleName())) { |
| find = true; |
| break; |
| } |
| } |
| if (!find) { |
| fail("where is the JMXListener?"); |
| } |
| } |
| } |
| } |