| /** |
| * 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.procedure2; |
| |
| import java.lang.Thread.UncaughtExceptionHandler; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseCommonTestingUtility; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * Make sure the {@link UncaughtExceptionHandler} will be called when there are unchecked exceptions |
| * thrown in the task. |
| * <p/> |
| * See HBASE-21875 and HBASE-21890 for more details. |
| */ |
| @Category({ MasterTests.class, SmallTests.class }) |
| public class TestRemoteProcedureDispatcherUncaughtExceptionHandler { |
| |
| private static HBaseCommonTestingUtility UTIL = new HBaseCommonTestingUtility(); |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRemoteProcedureDispatcherUncaughtExceptionHandler.class); |
| |
| private static final class ExceptionHandler implements UncaughtExceptionHandler { |
| |
| private Throwable error; |
| |
| @Override |
| public synchronized void uncaughtException(Thread t, Throwable e) { |
| this.error = e; |
| notifyAll(); |
| } |
| |
| public synchronized void get() throws Throwable { |
| while (error == null) { |
| wait(); |
| } |
| throw error; |
| } |
| } |
| |
| private static final class Dispatcher extends RemoteProcedureDispatcher<Void, Integer> { |
| |
| private final UncaughtExceptionHandler handler; |
| |
| public Dispatcher(UncaughtExceptionHandler handler) { |
| super(UTIL.getConfiguration()); |
| this.handler = handler; |
| } |
| |
| @Override |
| protected UncaughtExceptionHandler getUncaughtExceptionHandler() { |
| return handler; |
| } |
| |
| @Override |
| protected void remoteDispatch(Integer key, Set<RemoteProcedure> operations) { |
| } |
| |
| @Override |
| protected void abortPendingOperations(Integer key, Set<RemoteProcedure> operations) { |
| } |
| } |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| private ExceptionHandler handler; |
| |
| private Dispatcher dispatcher; |
| |
| @Before |
| public void setUp() { |
| handler = new ExceptionHandler(); |
| dispatcher = new Dispatcher(handler); |
| dispatcher.start(); |
| } |
| |
| @After |
| public void tearDown() { |
| dispatcher.stop(); |
| dispatcher = null; |
| handler = null; |
| } |
| |
| @Test |
| public void testSubmit() throws Throwable { |
| String message = "inject error"; |
| thrown.expect(RuntimeException.class); |
| thrown.expectMessage(message); |
| dispatcher.submitTask(new Runnable() { |
| |
| @Override |
| public void run() { |
| throw new RuntimeException(message); |
| } |
| }); |
| handler.get(); |
| } |
| |
| @Test |
| public void testDelayedSubmit() throws Throwable { |
| String message = "inject error"; |
| thrown.expect(RuntimeException.class); |
| thrown.expectMessage(message); |
| dispatcher.submitTask(new Runnable() { |
| |
| @Override |
| public void run() { |
| throw new RuntimeException(message); |
| } |
| }, 100, TimeUnit.MILLISECONDS); |
| handler.get(); |
| } |
| } |