/*
* Copyright (C) 2006-2013 Bitronix Software (http://www.bitronix.be)
*
* Licensed 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 bitronix.tm.twopc;
import bitronix.tm.BitronixTransactionManager;
import bitronix.tm.TransactionManagerServices;
import bitronix.tm.journal.Journal;
import bitronix.tm.mock.AbstractMockJdbcTest;
import bitronix.tm.mock.events.Event;
import bitronix.tm.mock.events.EventRecorder;
import bitronix.tm.mock.events.JournalLogEvent;
import bitronix.tm.mock.events.XAResourceCommitEvent;
import bitronix.tm.mock.resource.MockJournal;
import bitronix.tm.mock.resource.MockXAResource;
import bitronix.tm.mock.resource.jdbc.MockitoXADataSource;
import bitronix.tm.resource.ResourceRegistrar;
import bitronix.tm.resource.jdbc.PooledConnectionProxy;
import bitronix.tm.resource.jdbc.PoolingDataSource;
import junit.framework.TestCase;
import oracle.jdbc.xa.OracleXAException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.sql.XAConnection;
import javax.transaction.RollbackException;
import javax.transaction.Status;
import javax.transaction.xa.XAException;
import java.lang.reflect.Field;
import java.sql.Connection;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
/**
*
* @author Ludovic Orban
*/
public class OnePcFailureTest extends TestCase {
private final static Logger log = LoggerFactory.getLogger(OnePcFailureTest.class);
private PoolingDataSource poolingDataSource1;
private BitronixTransactionManager tm;
/**
* Test scenario:
*
* XAResources: 2
* TX timeout: 10s
* TX resolution: heuristic mixed
*
* XAResource 1 resolution: successful
* XAResource 2 resolution: commit throws exception XAException.XAER_RMERR
*
* Expected outcome:
* TM fails on resource 2 commit but does not report that via an exception
* as the recoverer will clean that up
* Expected TM events:
* 2 XAResourcePrepareEvent, 2 XAResourceCommitEvent
* Expected journal events:
* ACTIVE, PREPARING, PREPARED, COMMITTING, COMMITTED
* @throws Exception if any error happens.
*/
public void testExpectNoHeuristic() throws Exception {
tm.begin();
tm.setTransactionTimeout(10); // TX must not timeout
Connection connection1 = poolingDataSource1.getConnection();
PooledConnectionProxy handle = (PooledConnectionProxy) connection1;
XAConnection xaConnection2 = (XAConnection) AbstractMockJdbcTest.getWrappedXAConnectionOf(handle.getPooledConnection());
connection1.createStatement();
final MockXAResource mockXAResource2 = (MockXAResource) xaConnection2.getXAResource();
mockXAResource2.setCommitException(createXAException("resource 2 commit failed with XAER_RMERR", XAException.XAER_RMERR));
try {
tm.commit();
fail("expected RollbackException");
} catch (RollbackException ex) {
assertTrue(ex.getMessage().matches("transaction failed during 1PC commit of a Bitronix Transaction with GTRID \\[.*\\], status=ROLLEDBACK, 1 resource\\(s\\) enlisted \\(.*\\)"));
}
log.info(EventRecorder.dumpToString());
int journalUnknownEventCount = 0;
int journalCommittingEventCount = 0;
int journalRolledbackEventCount = 0;
int commitEventCount = 0;
List events = EventRecorder.getOrderedEvents();
for (int i = 0; i < events.size(); i++) {
Event event = (Event) events.get(i);
if (event instanceof XAResourceCommitEvent)
commitEventCount++;
if (event instanceof JournalLogEvent) {
if (((JournalLogEvent) event).getStatus() == Status.STATUS_UNKNOWN)
journalUnknownEventCount++;
}
if (event instanceof JournalLogEvent) {
if (((JournalLogEvent) event).getStatus() == Status.STATUS_COMMITTING)
journalCommittingEventCount++;
}
if (event instanceof JournalLogEvent) {
if (((JournalLogEvent) event).getStatus() == Status.STATUS_ROLLEDBACK)
journalRolledbackEventCount++;
}
}
assertEquals("TM should have logged a COMMITTING status", 1, journalCommittingEventCount);
assertEquals("TM should have logged a ROLLEDBACK status", 1, journalRolledbackEventCount);
assertEquals("TM should not have logged ant UNKNOWN status", 0, journalUnknownEventCount);
assertEquals("TM haven't properly tried to commit", 1, commitEventCount);
}
@Override
protected void setUp() throws Exception {
Iterator<String> it = ResourceRegistrar.getResourcesUniqueNames().iterator();
while (it.hasNext()) {
String name = it.next();
ResourceRegistrar.unregister(ResourceRegistrar.get(name));
}
EventRecorder.clear();
// change disk journal into mock journal
Field field = TransactionManagerServices.class.getDeclaredField("journalRef");
field.setAccessible(true);
@SuppressWarnings("unchecked")
AtomicReference<Journal> journalRef = (AtomicReference<Journal>) field.get(TransactionManagerServices.class);
journalRef.set(new MockJournal());
poolingDataSource1 = new PoolingDataSource();
poolingDataSource1.setClassName(MockitoXADataSource.class.getName());
poolingDataSource1.setUniqueName("pds1");
poolingDataSource1.setMinPoolSize(5);
poolingDataSource1.setMaxPoolSize(5);
poolingDataSource1.setAutomaticEnlistingEnabled(true);
poolingDataSource1.init();
tm = TransactionManagerServices.getTransactionManager();
}
@Override
protected void tearDown() throws Exception {
poolingDataSource1.close();
tm.shutdown();
}
private XAException createXAException(String msg, int errorCode) {
XAException prepareException = new OracleXAException(msg, 9876);
prepareException.errorCode = errorCode;
return prepareException;
}
}