| /** |
| * 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 static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.hbase.thirdparty.com.google.common.io.Closeables; |
| |
| /** |
| * Fix an infinite loop in {@link AsyncNonMetaRegionLocator}, see the comments on HBASE-21943 for |
| * more details. |
| */ |
| @Category({ MediumTests.class, ClientTests.class }) |
| public class TestAsyncTableLocateRegionForDeletedTable { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestAsyncTableLocateRegionForDeletedTable.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| |
| private static TableName TABLE_NAME = TableName.valueOf("async"); |
| |
| private static byte[] FAMILY = Bytes.toBytes("cf"); |
| |
| private static byte[] QUALIFIER = Bytes.toBytes("cq"); |
| |
| private static byte[] VALUE = Bytes.toBytes("value"); |
| |
| private static AsyncConnection ASYNC_CONN; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| TEST_UTIL.startMiniCluster(3); |
| TEST_UTIL.createTable(TABLE_NAME, FAMILY); |
| TEST_UTIL.waitTableAvailable(TABLE_NAME); |
| TEST_UTIL.getAdmin().balancerSwitch(false, true); |
| ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get(); |
| assertFalse(ASYNC_CONN.isClosed()); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| Closeables.close(ASYNC_CONN, true); |
| assertTrue(ASYNC_CONN.isClosed()); |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void test() throws IOException, InterruptedException { |
| try (Table table = TEST_UTIL.getConnection().getTable(TABLE_NAME)) { |
| for (int i = 0; i < 100; i++) { |
| table.put(new Put(Bytes.toBytes(i)).addColumn(FAMILY, QUALIFIER, VALUE)); |
| } |
| } |
| TEST_UTIL.getAdmin().split(TABLE_NAME, Bytes.toBytes(50)); |
| TEST_UTIL.waitFor(60000, |
| () -> TEST_UTIL.getMiniHBaseCluster().getRegions(TABLE_NAME).size() == 2); |
| // make sure we can access the split regions |
| try (Table table = TEST_UTIL.getConnection().getTable(TABLE_NAME)) { |
| for (int i = 0; i < 100; i++) { |
| assertFalse(table.get(new Get(Bytes.toBytes(i))).isEmpty()); |
| } |
| } |
| // let's cache the two old locations |
| AsyncTableRegionLocator locator = ASYNC_CONN.getRegionLocator(TABLE_NAME); |
| locator.getRegionLocation(Bytes.toBytes(0)).join(); |
| locator.getRegionLocation(Bytes.toBytes(99)).join(); |
| // recreate the table |
| TEST_UTIL.getAdmin().disableTable(TABLE_NAME); |
| TEST_UTIL.getAdmin().deleteTable(TABLE_NAME); |
| TEST_UTIL.createTable(TABLE_NAME, FAMILY); |
| TEST_UTIL.waitTableAvailable(TABLE_NAME); |
| // confirm that we can still get the correct location |
| assertFalse(ASYNC_CONN.getTable(TABLE_NAME).exists(new Get(Bytes.toBytes(99))).join()); |
| } |
| } |