| /** |
| * 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.client; |
| |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.HRegionLocation; |
| import org.apache.hadoop.hbase.ServerName; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({ MiscTests.class, MediumTests.class }) |
| public class TestShutdownOfMetaReplicaHolder extends MetaWithReplicasTestBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestShutdownOfMetaReplicaHolder.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestShutdownOfMetaReplicaHolder.class); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| startCluster(); |
| } |
| |
| @Test |
| public void testShutdownOfReplicaHolder() throws Exception { |
| // checks that the when the server holding meta replica is shut down, the meta replica |
| // can be recovered |
| try (Connection conn = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration()); |
| RegionLocator locator = conn.getRegionLocator(TableName.META_TABLE_NAME)) { |
| HRegionLocation hrl = locator.getRegionLocations(HConstants.EMPTY_START_ROW, true).get(1); |
| ServerName oldServer = hrl.getServerName(); |
| TEST_UTIL.getHBaseClusterInterface().killRegionServer(oldServer); |
| LOG.debug("Waiting for the replica {} to come up", hrl.getRegion()); |
| TEST_UTIL.waitFor(30000, () -> { |
| HRegionLocation loc = locator.getRegionLocations(HConstants.EMPTY_START_ROW, true).get(1); |
| return loc != null && !loc.getServerName().equals(oldServer); |
| }); |
| LOG.debug("Replica {} is online on {}, old server is {}", hrl.getRegion(), |
| locator.getRegionLocations(HConstants.EMPTY_START_ROW, true).get(1).getServerName(), |
| oldServer); |
| } |
| } |
| } |