| /* |
| * 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.ignite.internal.processors.cache.distributed; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.IgniteClientDisconnectedException; |
| import org.apache.ignite.IgniteDataStreamer; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.cache.CacheWriteSynchronizationMode; |
| import org.apache.ignite.cache.PartitionLossPolicy; |
| import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.events.EventType; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.NodeStoppingException; |
| import org.apache.ignite.internal.cluster.ClusterTopologyCheckedException; |
| import org.apache.ignite.internal.processors.cache.CacheInvalidStateException; |
| import org.apache.ignite.internal.util.typedef.X; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| /** |
| * |
| */ |
| public class CacheResultIsNotNullOnPartitionLossTest extends GridCommonAbstractTest { |
| /** Number of servers to be started. */ |
| private static final int SERVERS = 5; |
| |
| /** Index of node that is goning to be the only client node. */ |
| private static final int CLIENT_IDX = SERVERS; |
| |
| /** Number of cache entries to insert into the test cache. */ |
| private static final int CACHE_ENTRIES_CNT = 60; |
| |
| /** Client Ignite instance. */ |
| private IgniteEx client; |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| cfg.setActiveOnStart(false); |
| cfg.setIncludeEventTypes(EventType.EVT_CACHE_REBALANCE_PART_DATA_LOST); |
| |
| cfg.setCacheConfiguration( |
| new CacheConfiguration<>(DEFAULT_CACHE_NAME) |
| .setCacheMode(CacheMode.PARTITIONED) |
| .setBackups(0) |
| .setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC) |
| .setAffinity(new RendezvousAffinityFunction(false, 50)) |
| .setPartitionLossPolicy(PartitionLossPolicy.READ_WRITE_SAFE) |
| ); |
| |
| return cfg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| stopAllGrids(); |
| |
| cleanPersistenceDir(); |
| |
| List<Integer> list = IntStream.range(0, SERVERS).boxed().collect(Collectors.toList()); |
| |
| Collections.shuffle(list); |
| |
| for (Integer i : list) |
| startGrid(i); |
| |
| grid(0).cluster().active(true); |
| grid(0).cluster().baselineAutoAdjustEnabled(false); |
| |
| client = startClientGrid(CLIENT_IDX); |
| |
| try (IgniteDataStreamer<Integer, Integer> dataStreamer = client.dataStreamer(DEFAULT_CACHE_NAME)) { |
| dataStreamer.allowOverwrite(true); |
| |
| for (int i = 0; i < CACHE_ENTRIES_CNT; i++) |
| dataStreamer.addData(i, i); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| stopAllGrids(); |
| |
| cleanPersistenceDir(); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testCacheResultIsNotNullOnClient() throws Exception { |
| testCacheResultIsNotNull0(client); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testCacheResultIsNotNullOnLastServer() throws Exception { |
| testCacheResultIsNotNull0(grid(SERVERS - 1)); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testCacheResultIsNotNullOnServer() throws Exception { |
| testCacheResultIsNotNull0(grid(SERVERS - 2)); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| private void testCacheResultIsNotNull0(IgniteEx ignite) throws Exception { |
| AtomicBoolean stopReading = new AtomicBoolean(); |
| |
| AtomicReference<Throwable> unexpectedThrowable = new AtomicReference<>(); |
| |
| IgniteCache<Integer, Integer> cache = ignite.cache(DEFAULT_CACHE_NAME); |
| |
| CountDownLatch readerThreadStarted = new CountDownLatch(1); |
| |
| IgniteInternalFuture<Boolean> nullCacheValFoundFut = GridTestUtils.runAsync(() -> { |
| readerThreadStarted.countDown(); |
| |
| while (!stopReading.get()) |
| for (int i = 0; i < CACHE_ENTRIES_CNT && !stopReading.get(); i++) { |
| try { |
| if (cache.get(i) == null) |
| return true; |
| } |
| catch (Throwable t) { |
| if (expectedThrowableClass(t)) { |
| try { |
| cache.put(i, i); |
| |
| unexpectedThrowable.set(new RuntimeException("Cache put was successful for entry " + i)); |
| } |
| catch (Throwable t2) { |
| if (!expectedThrowableClass(t2)) |
| unexpectedThrowable.set(t2); |
| } |
| } |
| else |
| unexpectedThrowable.set(t); |
| |
| break; |
| } |
| } |
| |
| return false; |
| }); |
| |
| try { |
| readerThreadStarted.await(1, TimeUnit.SECONDS); |
| |
| for (int i = 0; i < SERVERS - 1; i++) { |
| grid(i).close(); |
| |
| Thread.sleep(400L); |
| } |
| } |
| finally { |
| // Ask reader thread to finish its execution. |
| stopReading.set(true); |
| } |
| |
| assertFalse("Null value was returned by cache.get instead of exception.", nullCacheValFoundFut.get()); |
| |
| Throwable throwable = unexpectedThrowable.get(); |
| if (throwable != null) { |
| throwable.printStackTrace(); |
| |
| fail(throwable.getMessage()); |
| } |
| } |
| |
| /** |
| * |
| */ |
| private boolean expectedThrowableClass(Throwable throwable) { |
| return X.hasCause( |
| throwable, |
| IgniteClientDisconnectedException.class, |
| CacheInvalidStateException.class, |
| ClusterTopologyCheckedException.class, |
| IllegalStateException.class, |
| NodeStoppingException.class |
| ); |
| } |
| } |