New Features in 5.1 In the 5.1.x release of Apache ActiveMQ there are the following new features: You can use the new DestinationSource on an ActiveMQConnection to access the available queues or topics or listen to queues/topics being created or deleted. New Features in 5.1 Support for more graceful handling of timeouts within MessageProducer.send Add the option for a backup channel that is already connected for the Failover transport ActiveMQ configuration can now validate against an XSD which means that it can be embedded in a spring configuration file. Stomp can now handle delivering Map and Object messages. Getting the Binary Distributions Description Download Link PGP Signature file of download Windows Distribution apache-activemq-5.1.0-bin.zip (no Safari) apache-activemq-5.1.0-bin.zip.asc Unix/Linux/Cygwin Distribution apache-activemq-5.1.0-bin.tar.gz (no Safari) apache-activemq-5.1.0-bin.tar.gz.asc Do not use Safari to download, the above URLs use redirection The above URLs use the Apache Mirror system to redirect you to a suitable mirror for your download. Some users have experienced issues with some versions of browsers (e.g. some Safari browsers). If the download doesn't seem to work for you from the above URL then try using FireFox Error When Expanding Tarballs When expanding the binary tarballs you might wind up experiencing the following: $ tar zxvf /path/to/apache-activemq-5.1.0-bin.tar.gz apache-activemq-5.1.0/bin/run.jar apache-activemq-5.1.0/activemq-all-5.1.0.jar ... apache-activemq-5.1.0/webapps/fileserver/WEB-INF/web.xml apache-activemq-5.1.0/webapps/fileserver/WEB-INF/classes/org/apache/activemq/util/FilenameGuardFilter.class apache-activemq-5.1.0/webapps/fileserver/WEB-INF/classes/org/apache/activemq/util/FilenameGuardFilter$GuardedHttpServletRequest.class apache-activemq-5.1.0/webapps/fileserver/WEB-INF/classes/org/apache/activemq/util/RestFilter.class tar: Unexpected EOF in archive tar: A lone zero block at 61740 tar: Error exit delayed from previous errors These errors are a product of an open bug in Maven and are innocuous and won't affect anything. Getting the Binaries using Maven 2 To use this release in your maven project, the proper dependency configuration that you should use in your Maven POM is: <dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-core</artifactId> <version>5.1.0</version> </dependency> Getting the Source Code Source Distributions Description Download Link PGP Signature file of download Source for Windows apache-activemq-5.1.0-src.zip apache-activemq-5.1.0-src.zip.asc Source for Unix/Linux/Cygwin apache-activemq-5.1.0-src.tar.gz apache-activemq-5.1.0-src.tar.gz.asc SVN Tag Checkout svn co http://svn.apache.org/repos/asf/activemq/tags/activemq-5.1.0 Changelog For a more detailed view of new features and bug fixes, see the release notes Apache ActiveMQ & Apache ServiceMix (199 issues) T Key Summary AMQ-1707 Make activemq-console jar a osgi bundle so it can be re-used from servicemix 4 AMQ-1697 redelivery policy config failure AMQ-1691 Incude linux 64 bit versions of the java sevice wrapper in the ActiveMQ binary distro AMQ-1690 QuickJPAStoreRecoveryBrokerTest.testQueueNonPersistentMessagesLostOnRestart sometimes fails, timing issue with broker shutdown AMQ-1689 (NIO)DataFileAppender does to many sync or force calls when there is little or no concurrency AMQ-1686 Small window in wakeup logic for PooledTaskRunner - task can get executed in parallell AMQ-1685 activemq-admin start does not work on windows. AMQ-1683 possible dynamic instability in AMQStore indexes AMQ-1681 Memory leak when creating large numbers of TemporaryQueues (Log4J related) AMQ-1677 switch to using the finer grained Spring jars AMQ-1674 Default Persistence fails / MDBs stop processing in JBoss 4.2.2.GA AMQ-1673 Change XML namespace to be based off http://activemq.apache.org/schema AMQ-1672 Mirror Queues on Temp Queues is causing Memory leak AMQ-1671 InactivityMonitor issue with regards to exceptions on a connection AMQ-1670 Element Order in the XSD do not match the order required by ActiveMQ AMQ-1669 AMQ Journal data files never deleted - exception in consolidateDataFilesNotIn() AMQ-1667 AMQ message store throws IllegalStateException/IndexOutOfBoundsExceptions (5.1) AMQ-1666 connection URI options not applied to both sides of VM transport AMQ-1665 SslBrokerTest that verifies the programetic setting of truststore etc and negates the need to use javax.net.ssl. system props AMQ-1664 Example illustrating trasactions AMQ-1663 Problem in Kaha persistence with file name lengths and collisions during persistence AMQ-1659 SSL Transport configured in wantClientAuth mode never asks for the client certificate during the SSL Handshake AMQ-1658 Messages are sometimes skipped when using JDBC master/slave AMQ-1656 Messages are sometimes skipped when using JDBC master/slave AMQ-1651 Sending message to deleted TemporaryQueue throws JMSException instead of IllegalDestinationException AMQ-1650 AmqPersistenceAdapter throws java.io.IOException: Failed to read to journal for: offset AMQ-1647 PooledTaskRunner fails to shutdown after task throws exception AMQ-1646 Change dispatchAsync = true for clients by default AMQ-1645 Change default client URL to be failover://tcp://localhost:61616 AMQ-1644 Using NON_PERSISTENT delivery mode increases MemoryPercentageUsed to 100% and block sending AMQ-1641 Broker Network Deadlocking AMQ-1640 variant of DeadLetterTest with message listener AMQ-1638 XmlBeanDefinitionStoreException : activemq.xsd URL broken in spring.schemas AMQ-1636 the ActiveMQ camel component should default to using a SingleConnectionFactory to avoid creating tons of connections when sending messages in Camel - or support PooledConnectionFactory if enabled AMQ-1635 Remove unused references to backport-util-concurrent AMQ-1633 Temporary destinations not being cleaned up upon delete() when using network of brokers AMQ-1631 Concurrency Issue in MessageConsumer's deliveredMessages within dispose AMQ-1629 wildcards don't work in networkconnector excludeDestinations AMQ-1624 Fileserver webapp wont work out of the box AMQ-1623 KahaMessageStore does not close or delete files for deleted destinations. AMQ-1620 compositeTopic changing destination field of original message AMQ-1618 Improper handling of container restrictions in creation of sessions AMQ-1616 JMS Compliance - Closing a closed connection should not throw an exception AMQ-1613 Inactivity monitor blocks trying to close out a Failover transport that is in the middle of send. AMQ-1607 Static method to register TransportFactory AMQ-1603 EOFExceptions and Broken Pipe exceptions everywhere in 5.0 (my services seem to run fine under 4.1 and 4.1.1 and somewhat better in 5.1-SNAPSHOT [if you don't count the queue size problem] which is critical) AMQ-1602 Missing logging-commons.jar contents in activemq-all-5.0.0.jar AMQ-1598 Extraneous Thread.dumpStack() method in ProducerEventSource.java AMQ-1597 Upgrade to Jettison 1.0 AMQ-1595 java.lang.OutOfMemoryError when restarting a broker that had a durable subscirption that had been sent lots of messages. AMQ-1592 Inactivity Monitor: org.apache.activemq.transport.InactivityIOException: Channel was inactive for too long AMQ-1591 When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated. AMQ-1590 Setting advisory support compromises network of brokers AMQ-1587 Improvements/Bug Fixes for LDAP Discovery Mechanism (LDAP Network Connector) AMQ-1586 Topic throughput drops with the number of consumers AMQ-1584 ClassLoadingAwareObjectInputStream cannot load primary classes AMQ-1583 Creating a durable subscriber throws ConcurrentModificationException AMQ-1581 PooledConnections don't initialize correctly when broker not available (causes problems with Failover) AMQ-1580 ArrayOutOfBoundsException in ActiveMQInputStream AMQ-1578 No exposure to the 'idleTimeout' property for ConnectionPool class, which makes it difficult to implement keepAlive semantics on PooledConnections AMQ-1577 FailoverTransport doesn't shut-down cleanly, complains about underlying transport going down AMQ-1576 ActiveMQMessageTransformation.copyProperties NullPointerException AMQ-1575 FailoverTransport with MaxReconnectAttempts set does not recover quickly, when used with ConnectionPooling.... AMQ-1574 FailoverTransport logs routine reconnects at INFO/WARN instead of DEBUG AMQ-1572 Add the option for a backup channel that is already connected for the Failover transport AMQ-1567 Stomp frame translator improvements AMQ-1566 Out of order messages can be dispatched out of order for durable topic subscriptions under load AMQ-1565 Exception String from BrokerFactory has a typo - "Could load " should presumably read "Could not load " AMQ-1564 Deadlock between VMTransport threads accessing AMQStore AMQ-1563 upgrade to Camel 1.3.0 and Spring 2.5.1 or later AMQ-1562 Queue Pending Message Cursor doesn't adequately release cache when no space left AMQ-1561 remove activeio snapshot dependency AMQ-1560 amqPersistence store grows continuously AMQ-1559 AMQStore cannot resolve message references for Durable Topic Subscribers AMQ-1558 wrapper.conf issue so Java Service Wrapper doesn't start on windows AMQ-1556 Concurrency Issue on MessageConsumer deliveredMessages AMQ-1553 Queue structure pagedInMessages can hold upto 1000 messages for a long time AMQ-1552 add a spring factory bean to make it easy to unify the failover policy across every ActiveMQConnectionFactory instance if the connection URL differs across parts of your application AMQ-1544 ERROR RecoveryListenerAdapter - Message id xxxxxx could not be recovered from the data store! (when using Spring's DefaultMessageListenerContainer with more than 1 concurrentConsumers to dispatch JMS messages) AMQ-1542 NetworkConnector parameters are not passed back over a duplex connection AMQ-1536 Dural-subScriber can not receive message! AMQ-1535 missing lines in wrapper.conf AMQ-1533 Can not unsubscribe topic AMQ-1532 Fix service wrapper problems in linux AMQ-1531 Visualization page needs updating AMQ-1528 HasPage overflow results in indexOutOfBoundsException in AMQStore AMQ-1525 InactivityMonitor incorrectly assumes there isn't activity on a Transport AMQ-1524 Thread name spelling mistake: "AcitveMQ Connection Worker" AMQ-1523 Consumer Priorities Appear To Be Broken On AMQ 5.0 AMQ-1522 ActiveMQ 5.0.0 release depends on SNAPSHOT version of xbean AMQ-1521 Acknowledgement of messages across a duplex network does not work correctly AMQ-1520 release 5.0.0 depends on SNAPSHOT version of activeio AMQ-1519 Broker Should be started async to avoid a slave broker from blocking the startup of J2EE server (like JBoss) AMQ-1518 NetworkConnector is leaking a thread if broker disconnects AMQ-1517 Support for more graceful handling of timeouts within MessageProducer.send AMQ-1515 Removed use of ClassLoading AMQ-1511 Slave starts connectors before master fails AMQ-1510 Incorrect value for QueueCount attribute after broker restart AMQ-1507 Shared Filesystem Master Slave not working AMQ-1506 System.out in source code: org.apache.activemq.ra.ServerSessionPoolImpl AMQ-1498 Broker doens't start anymore! AMQ-1493 Upgrade XStream to 1.2.2 AMQ-1490 Deadlocks (with JUnit tests) AMQ-1488 Bug in FailoverTransport results in messages that have been queued during a network interruption being sent out of order upon call to restoreTransport()