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Posted to issues@ignite.apache.org by "Alexei Scherbakov (JIRA)" <ji...@apache.org> on 2017/09/15 16:37:01 UTC
[jira] [Created] (IGNITE-6405) Deadlock is not detected if timed
out on client.
Alexei Scherbakov created IGNITE-6405:
-----------------------------------------
Summary: Deadlock is not detected if timed out on client.
Key: IGNITE-6405
URL: https://issues.apache.org/jira/browse/IGNITE-6405
Project: Ignite
Issue Type: Bug
Affects Versions: 2.1
Reporter: Alexei Scherbakov
Priority: Minor
Fix For: 2.3
Timeout exception is thrown instead.
Reproducer:
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package org.apache.ignite.internal.processors.cache.transactions;
import java.util.Collections;
import java.util.concurrent.CountDownLatch;
import javax.cache.CacheException;
import org.apache.ignite.Ignite;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.configuration.TransactionConfiguration;
import org.apache.ignite.internal.IgniteInternalFuture;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.transactions.Transaction;
import org.apache.ignite.transactions.TransactionDeadlockException;
import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC;
import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ;
/**
* Tests an ability to eagerly rollback timed out transactions.
*/
public class TxPessimisticDeadlockDetectionClient extends GridCommonAbstractTest {
/** */
private static final long TX_MIN_TIMEOUT = 1;
/** */
private static final long TX_TIMEOUT = 300;
/** */
private static final long TX_DEFAULT_TIMEOUT = 3_000;
/** */
private static final String CACHE_NAME = "test";
/** IP finder. */
private static final TcpDiscoveryVmIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
/** */
private static final int GRID_CNT = 3;
/** */
private final CountDownLatch blocked = new CountDownLatch(1);
/** */
private final CountDownLatch unblocked = new CountDownLatch(1);
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
cfg.setClientMode("client".equals(igniteInstanceName));
((TcpDiscoverySpi)cfg.getDiscoverySpi()).setIpFinder(IP_FINDER);
TransactionConfiguration txCfg = new TransactionConfiguration();
txCfg.setDefaultTxTimeout(TX_DEFAULT_TIMEOUT);
cfg.setTransactionConfiguration(txCfg);
CacheConfiguration ccfg = new CacheConfiguration(CACHE_NAME);
ccfg.setAtomicityMode(TRANSACTIONAL);
ccfg.setBackups(2);
cfg.setCacheConfiguration(ccfg);
return cfg;
}
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
super.beforeTest();
startGridsMultiThreaded(GRID_CNT);
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
super.afterTest();
stopAllGrids();
}
/** */
protected void validateException(Exception e) {
assertEquals("Deadlock report is expected",
TransactionDeadlockException.class, e.getCause().getCause().getClass());
}
/**
* Tests if deadlock is resolved on timeout with correct message.
*
* @throws Exception If failed.
*/
public void testDeadlockUnblockedOnTimeout() throws Exception {
Ignite client = startGrid("client");
testDeadlockUnblockedOnTimeout0(client, ignite(0));
}
/**
* Tests if deadlock is resolved on timeout with correct message.
* @throws Exception
*/
private void testDeadlockUnblockedOnTimeout0(final Ignite node1, final Ignite node2) throws Exception {
final CountDownLatch l = new CountDownLatch(2);
IgniteInternalFuture<?> fut1 = multithreadedAsync(new Runnable() {
@Override public void run() {
try {
try (Transaction tx = node1.transactions().txStart(PESSIMISTIC, REPEATABLE_READ, 0, 2)) {
node1.cache(CACHE_NAME).put(1, 1);
l.countDown();
U.awaitQuiet(l);
node1.cache(CACHE_NAME).putAll(Collections.singletonMap(2, 2));
tx.commit();
fail();
}
} catch (CacheException e) {
// No-op.
validateException(e);
}
}
}, 1, "First");
IgniteInternalFuture<?> fut2 = multithreadedAsync(new Runnable() {
@Override public void run() {
try (Transaction tx = node2.transactions().txStart(PESSIMISTIC, REPEATABLE_READ, 0, 2)) {
node2.cache(CACHE_NAME).put(2, 2);
l.countDown();
U.awaitQuiet(l);
node2.cache(CACHE_NAME).put(1, 1);
tx.commit();
}
}
}, 1, "Second");
fut1.get();
fut2.get();
assertTrue(node1.cache(CACHE_NAME).containsKey(1));
assertTrue(node1.cache(CACHE_NAME).containsKey(2));
}
}
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