/**
* 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.activemq.broker.ft;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TransactionRolledBackException;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.apache.derby.jdbc.EmbeddedDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DbRestartJDBCQueueMasterSlaveTest extends JDBCQueueMasterSlaveTest {
private static final transient Logger LOG = LoggerFactory.getLogger(DbRestartJDBCQueueMasterSlaveTest.class);
@Override
protected void messageSent() throws Exception {
verifyExpectedBroker(inflightMessageCount);
if (++inflightMessageCount == failureCount) {
LOG.info("STOPPING DB!@!!!!");
final EmbeddedDataSource ds = ((SyncCreateDataSource) getExistingDataSource()).getDelegate();
ds.setShutdownDatabase("shutdown");
LOG.info("DB STOPPED!@!!!!");
Thread dbRestartThread = new Thread("db-re-start-thread") {
@Override
public void run() {
delayTillRestartRequired();
ds.setShutdownDatabase("false");
LOG.info("DB RESTARTED!@!!!!");
}
};
dbRestartThread.start();
}
verifyExpectedBroker(inflightMessageCount);
}
protected void verifyExpectedBroker(int inflightMessageCount) {
if (inflightMessageCount == 0) {
assertEquals("connected to master", master.getBrokerName(), ((ActiveMQConnection) sendConnection).getBrokerName());
} else if (inflightMessageCount == failureCount + 10) {
assertEquals("connected to slave, count:" + inflightMessageCount, slave.get().getBrokerName(), ((ActiveMQConnection) sendConnection).getBrokerName());
}
}
protected void delayTillRestartRequired() {
LOG.info("Waiting for master broker to Stop");
master.waitUntilStopped();
}
@Override
protected void sendToProducer(MessageProducer producer,
Destination producerDestination,
Message message) throws JMSException {
producer.send(producerDestination, message);
}
@Override
protected Session createReceiveSession(Connection receiveConnection) throws Exception {
return receiveConnection.createSession(true, Session.SESSION_TRANSACTED);
}
@Override
protected void consumeMessage(Message message, List<Message> messageList) {
try {
receiveSession.commit();
super.consumeMessage(message, messageList);
} catch (JMSException e) {
LOG.info("Failed to commit message receipt: " + message, e);
try {
receiveSession.rollback();
} catch (JMSException ignored) {
}
if (e instanceof TransactionRolledBackException) {
TransactionRolledBackException transactionRolledBackException = (TransactionRolledBackException) e;
if (transactionRolledBackException.getMessage().indexOf("in doubt") != -1) {
// failover chucked bc there is a missing reply to a commit.
// failover is involved b/c the store exception is handled broker side and the client just
// sees a disconnect (socket.close()).
// If the client needs to be aware of the failure then it should not use IOExceptionHandler
// so that the exception will propagate back
// for this test case:
// the commit may have got there and the reply is lost "or" the commit may be lost.
// so we may or may not get a resend.
//
// At the application level we need to determine if the message is there or not which is not trivial
// for this test we assert received == sent
// so we need to know whether the message will be replayed.
// we can ask the store b/c we know it is jdbc - guess we could go through a destination
// message store interface also or use jmx
java.sql.Connection dbConnection = null;
try {
ActiveMQMessage mqMessage = (ActiveMQMessage) message;
MessageId id = mqMessage.getMessageId();
dbConnection = sharedDs.getConnection();
PreparedStatement s = dbConnection.prepareStatement(((JDBCPersistenceAdapter) connectedToBroker().getPersistenceAdapter()).getStatements().getFindMessageStatement());
s.setString(1, id.getProducerId().toString());
s.setLong(2, id.getProducerSequenceId());
ResultSet rs = s.executeQuery();
if (!rs.next()) {
// message is gone, so lets count it as consumed
LOG.info("On TransactionRolledBackException we know that the ack/commit got there b/c message is gone so we count it: " + mqMessage);
super.consumeMessage(message, messageList);
} else {
LOG.info("On TransactionRolledBackException we know that the ack/commit was lost so we expect a replay of: " + mqMessage);
}
} catch (Exception dbe) {
dbe.printStackTrace();
} finally {
try {
dbConnection.close();
} catch (SQLException e1) {
e1.printStackTrace();
}
}
}
}
}
}
private BrokerService connectedToBroker() {
return ((ActiveMQConnection) receiveConnection).getBrokerInfo().getBrokerName().equals("master") ? master : slave.get();
}
}