package org.infinispan.lock.singlelock.pessimistic;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.fail;
import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.InvalidTransactionException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.lock.singlelock.AbstractLockOwnerCrashTest;
import org.infinispan.test.fwk.CleanupAfterMethod;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.tm.EmbeddedTransaction;
import org.testng.annotations.Test;
/**
* @author Mircea Markus
* @since 5.1
*/
@Test (groups = "functional", testName = "lock.singlelock.pessimistic.LockOwnerCrashPessimisticTest")
@CleanupAfterMethod
public class LockOwnerCrashPessimisticTest extends AbstractLockOwnerCrashTest {
public LockOwnerCrashPessimisticTest() {
super(CacheMode.DIST_SYNC, LockingMode.PESSIMISTIC, false);
}
public void testLockOwnerCrashesBeforePrepare() throws Exception {
final Object k = getKeyForCache(2);
inNewThread(() -> {
try {
tm(1).begin();
cache(1).put(k, "v");
transaction = (EmbeddedTransaction) tm(1).getTransaction();
} catch (Throwable e) {
log.errorf(e, "Error starting transaction for key %s", k);
}
});
eventually(() -> checkTxCount(0, 0, 1) && checkTxCount(1, 1, 0) && checkTxCount(2, 0, 1));
eventually(() -> !checkLocked(0, k) && !checkLocked(1, k) && checkLocked(2, k));
killMember(2);
assert caches().size() == 2;
tm(1).resume(transaction);
tm(1).commit();
assertEquals("v", cache(0).get(k));
assertEquals("v", cache(1).get(k));
assertNotLocked(k);
eventually(() -> checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0));
}
public void testLockOwnerCrashesBeforePrepareAndLockIsStillHeld() throws Exception {
final Object k = getKeyForCache(2);
inNewThread(() -> {
try {
tm(1).begin();
cache(1).put(k, "v");
transaction = (EmbeddedTransaction) tm(1).getTransaction();
} catch (Throwable e) {
log.errorf(e, "Error starting transaction for key %s", k);
}
});
eventually(() -> !checkLocked(0, k) && !checkLocked(1, k) && checkLocked(2, k));
killMember(2);
assert caches().size() == 2;
tm(0).begin();
try {
cache(0).put(k, "v1");
assert false;
} catch (Exception e) {
tm(0).rollback();
}
tm(1).resume(transaction);
tm(1).commit();
assertEquals("v", cache(0).get(k));
assertEquals("v", cache(1).get(k));
assertNotLocked(k);
eventually(() -> checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0));
}
public void lockOwnerCrasherBetweenPrepareAndCommit1() throws Exception {
testCrashBeforeCommit(true);
}
public void lockOwnerCrasherBetweenPrepareAndCommit2() throws Exception {
testCrashBeforeCommit(false);
}
private void testCrashBeforeCommit(final boolean crashBeforePrepare) throws NotSupportedException, SystemException, InvalidTransactionException, HeuristicMixedException, RollbackException, HeuristicRollbackException {
final Object k = getKeyForCache(2);
inNewThread(() -> {
try {
tm(1).begin();
cache(1).put(k, "v");
transaction = (EmbeddedTransaction) tm(1).getTransaction();
if (!crashBeforePrepare) {
transaction.runPrepare();
}
} catch (Throwable e) {
log.errorf(e, "Error preparing transaction for key %s", k);
}
});
eventually(() -> checkTxCount(0, 0, 1) && checkTxCount(1, 1, 0) && checkTxCount(2, 0, 1));
eventually(() -> !checkLocked(0, k) && !checkLocked(1, k) && checkLocked(2, k));
killMember(2);
assertEquals(2, caches().size());
tm(1).begin();
try {
cache(1).put(k, "v2");
fail("Exception expected as lock cannot be acquired on k=" + k);
} catch (Exception e) {
tm(1).rollback();
}
tm(0).begin();
try {
cache(0).put(k, "v3");
fail("Exception expected as lock cannot be acquired on k=" + k);
} catch (Exception e) {
tm(0).rollback();
}
tm(1).resume(transaction);
if (!crashBeforePrepare) {
transaction.runCommit(false);
} else {
tm(1).commit();
}
assertEquals("v", cache(0).get(k));
assertEquals("v", cache(1).get(k));
assertNotLocked(k);
}
}