Skip to main content

ActiveMQ
NMS Clients
CMS Client
Artemis

Contact Us
Contribute
Report Issues
Get Support

The Apache Software Foundation
License
Sponsorship
Thanks
Security
Events
PMC & Committers
Board Reports
Privacy Policy

4.0 RC 1 Guide
Apollo Version Migration Guide
Apollo Version Migration Guide
Activation Spec Properties
Active Groups
ActiveMQ Classic 3 Transport Configurations
ActiveMQ Classic 4 Connection URIs
Artemis' Roadmap to ActiveMQ <i>Next</i>
ActiveMQ Classic Command Line Tools Reference
ActiveMQ Classic Connection URIs
ActiveMQ Classic InactivityMonitor
ActiveMQ Classic Message Properties
ActiveMQ Classic Performance Module Users Manual
ActiveMQ Classic Real Time
activemq.dtd
Advisory Message
Advisory Support in ActiveMQ Classic 3
Ajax
AMQ Message Store
AMQP
Apache ActiveMQ Board Report - April 2008
Are destinations case sensitive
Are messages read directly from the journal
Articles
Async Sends
Audit Logging
AUTO
Axis and CXF Support
Benchmark Tests
BlazeDS
Blob Messages
Books
Broadcasting
Broker Camel Component
Broker Configuration URI
Broker Properties URI
Broker URI
Broker XBean URI
Building FAQs
Building
C integration scenarios
C Integration
Cached LDAP Authorization Module
Can I modify messages on a queue
Can I send and receive messages concurrently on one JMS Connection
Can I send really large files over ActiveMQ Classic?
Can I use ActiveMQ Classic 5.x or later on Java 1.4
Can two brokers share the same database
Can you browse a topic
certificate_unknown
Changes in 4.0
Title
Class Diagrams for activemq-4.0-M4 source code
Clients
Clustering
CMS
Code Overview
Command Agent
Community
Compile ActiveMQ Classic with GCJ
Complex Single Broker Configuration (STOMP only)
Composite Destinations
Configurable IOException Handling
Configure Startup Destinations
Configure version 5 Brokers
Configuring ActiveMQ CPP
Configuring Brokers
Configuring Transports
Configuring Transports
Configuring Wire Formats
Connection Configuration URI
Connection Factory Properties
Connectivity
Consumer Dispatch Async
Consumer Features
Consumer Priority
Containers
Could not find PacketReader for packet type - UNKNOWN PACKET TYPE
Cross Language Clients
Delay and Schedule Message Delivery
Delete Inactive Destinations
Delphi and FreePascal
Design Documents
Destination Features
Destination Options
Destinations Plugin
Developer Guide
Developers
Developing Plugins
Discovery Transport Reference
Discovery
Dispatch Policies
Using ActiveMQ Classic with Docker
Does ActiveMQ Classic support clustering
Does ActiveMQ Classic support my SQL database
dot Net
ActiveMQ Classic Download Archives
Downloading ActiveMQ CPP
DR
Durable Queue Memory Management
Enable OpenSSL support with autotools
Encrypted passwords
Enterprise Integration Patterns
Errors from libstd++.la on Solaris 10 using the GNU Compiler
Errors saying "no rule to make target"
Example Testing Scenario
Examples
Exclusive Consumer
Apollo 1.7.1 Extending Guide
Failover Transport Reference
Fanout Transport Reference
FAQ
Features Overview
Apache ActiveMQ Features
General Build Issues
Geronimo
Getting Started 3.x
Getting Started with ActiveMQ
GIT
Group Membership
HA
Hello World
Horizontal Scaling
How can I add a new type of transport
How can I avoid serialization of Objects in ObjectMessage
How can I enable detailed logging
How can I get a list of the topics and queues in a broker
How can I make ActiveMQ Classic faster?
How can I monitor ActiveMQ Classic
How can I monitor the connection with the broker
How can I see what destinations are used?
How can I support auto reconnection
How can I support priority queues
How can I use different network protocols
How do distributed queues work
How do durable queues and topics work
How do I access ActiveMQ Classic from C
How do I access ActiveMQ Classic from CSharp or dotNet
How do I access ActiveMQ Classic from Ruby, Perl, Python, PHP
How do I add my own plugins
How do I avoid Maven downloading latest jars
How do I back-up KahaDB
How do I bridge different JMS providers
How do I build but disable the unit tests
How do I change dispatch policy
How do I change the logging
How do I change the message store directory for an embedded broker
How do I compile from the source
How do I configure 10s of 1000s of Queues in a single broker
How do I configure ActiveMQ Classic to hold 100s of millions of Queue Messages?
How do I configure ActiveMQ Classic to use AIO server transport
How do I configure automatic reconnection
How do I configure distributed queues or topics
How do I configure the queues I want
How do I connect to one of a number of message brokers
How do I consume a specific message
How do I create new destinations
How do I debug ActiveMQ Classic from my IDE
How do I define a local address and local port for TCP or SSL
How do I delete a destination
How do I disable logging
How do I disable persistence
How do I embed a Broker inside a Connection
How do I enable asynchronous sending
How do I enable debug logging
How do I find the Size of a Queue
How do I get started with JMS
How do I make messages durable
How do I preserve order of messages
How do I prevent autoconf from enabling OpenSSL support
How do I purge a queue
How do I restart embedded broker
How do I restrict connections from creating new queues or topics
How do I run a broker
How do I run ActiveMQ Classic under the Kaffe JVM
How do I send messages to different Destinations from a single MessageProducer
How do I set the message expiration
How do I turn off creating an embedded ActiveMQ Classic broker when using the VM transport
How do I unack the message with Stomp
How do I use ActiveMQ Classic using in JVM messaging
How do I use durable subscribers in a network of brokers
How do I use Ivy with ActiveMQ Classic
How do I use JMS efficiently
How do I use log4j JMS appender with ActiveMQ Classic
How do I use SSL
How do Message Groups compare to Selectors
How do multiple transports work
How Do Transactions Work
How does a Queue compare to a Topic
How does ActiveMQ Classic compare to AMQP
How does ActiveMQ Classic compare to Fuse Message Broker
How does ActiveMQ Classic compare to JBossMQ
How does ActiveMQ Classic compare to Mantaray
How does ActiveMQ Classic compare to Mule
How does ActiveMQ Classic compare to Spread Toolkit
How does Classic compare to Artemis?
How does ConnectionFactory relate to the Broker
How does JMS compare with email
How does journaling work with multiple brokers
How does OpenWire compare to Stomp
How does the journal work
How does XBean compare to Spring 2
How fast is ActiveMQ Classic
How lightweight is sending a message
How should I implement request response with JMS
How should I package applications using Camel and ActiveMQ Classic
How should I use the VM transport
How to configure a new database
How to deal with large number of threads in clients
How to deploy activemq-ra-version.rar to weblogic
How to disable auto destination creation
How to disable multicast discovery
How to enable SSL support on Windows
How To Unit Test JMS Code
How you can help release
HTTP and HTTPs Transports Reference
I am having problems with the Spring JmsTemplate
I am not receiving any messages, what is wrong
I cannot connect to ActiveMQ Classic from JConsole
I do not receive messages in my second consumer
I get errors building the code whats wrong
I see NC_ client-ids, what does that mean
Ideas
In Progress
Inbound Communication
ActiveMQ Documentation
Initial Configuration
Installation
Integrating Apache ActiveMQ Classic with Glassfish
Integrating Apache ActiveMQ Classic with JBoss
Integration Tests
Interceptors
IOException - could not find class for resource
Is there a specified size of the journal
J2EE
Java Service Wrapper
JavaDocs
java.io.InterruptedIOException
java.io.IOException Failed to create database 'derbydb', see the next exception for details
java.lang.NoSuchMethodError
java.lang.NoSuchMethodException org.activemq.ra.ActiveMQResourceAdapter.setUseEmbeddedBroker
java.lang.OutOfMemory
javax.jms.JMSException - Wire format negociation timeout - peer did not send his wire format.
JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI () needs 2.1 API.
JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI (xxx) needs 2.1 API
Integrating Apache ActiveMQ Classic with JBoss
JCA Container
JDBC Master Slave
JDBC Support
JMeter Performance Tests
JMeter System Tests
JMS and JDBC operations in one transaction
JMS Bridge With Local Broker
JMS Bridge With Oracle AQ
JMS Bridge With Remote Broker
JMS Bridge With Remote TIBCO Broker
JMS Streams
JMS to JMS Bridge
ActiveMQ Jakarta Messaging 3.1 & JMS 2.0 Support
JmsTemplate Gotchas
JMSXUserID
JMX Support
JMX
JNDI Support
Journal is already opened by this application
JUnit Reports
Kaha Persistence
KahaDB Master Slave
KahaDB Replication (Experimental)
KahaDB
Known Bad OS and JVM Combinations
Latency
LDAP Broker Discovery Mechanism
LevelDB Store
Life Cycle
Load Testing with Camel
log4j-WARN No appenders could be found for logger
Logging a warning if you forget to start a Connection
Logging Interceptor
Manage Durable Subscribers
Apollo 1.7.1 Management API
MasterSlave
Maven SNAPSHOT Repository in your POM
Maven2 ActiveMQ Classic Broker Plugin
MDC Logging
Message Cursors
Message Dispatching Features
Message Features
Message Groups
Message Redelivery and DLQ Handling
Message Transformation
Apollo Version Migration Guide
Mirrored Queues
Apollo Module Organization
MOM
Monitoring ActiveMQ Classic
Apollo 1.7.1 MQTT Protocol Manual
MQTT
Multicast Transport Reference
Multicast Transport
Multicast - Watch out for IPV6 vs IPV4 support on your operating system or distribution or network
Multiple consumers on a queue
My producer blocks
Networks of Brokers
New Features in 4.1
New Features in 4.2
New Features in 5.0
New Features in 5.1
New Features in 5.11
New Features in 5.13
New Features in 5.17
New Features in 5.2
New Features in 5.3
New Features in 5.4
New Features in 5.5
New Features in 5.6
New Features in 5.7
New Features in 5.8
New Features in 5.9
New Features in 6.0
New Features in ActiveMQ
NIO Transport Reference
No suitable driver
NoClassDefFoundError - org.springframework.core.io.Resource
Object Message
ObjectMessage
Old OSGi Integration
onMessage method of MessageListener is never called
OpenSSL Support
OpenWire C Client
OpenWire CPP Client
Apollo 1.7.1 OpenWire Protocol Manual
OpenWire Version 2 Specification
OpenWire
Optimized Acknowledgement
OSGi Integration
OSGi support (in development)
Outbound Communication
Peer Transport Reference
Per Destination Policies
Performance report
Apollo Performance and Scaling
Performance Tuning
Performance
Periodically checking disk limits
Perl
Persistence
PHP
Pike
Pluggable storage lockers
PMC Templates
Previous Versions
Producer Flow Control
Projects Using ActiveMQ Classic
Proposed C Client Architecture
Protocols
Pure Master Slave
Python
QoS
Redelivery Policy
Release Guide
Release Info
Release Plans
Replicated LevelDB Store
Replicated Message Store
Resource Adapter does not seem to pool connections
Resource Adapter Properties
Resource Adapter
REST protocols
REST
RESTful Queue
Retroactive Consumer
RSS and Atom
Ruby
Run Broker
Running a 3.x Broker
Running a broker
Runtime Configuration
Sample Camel Routes
sample report
Sandbox
Scaling Queues
Scaling the Depth of a Queue
Security Advisories - ActiveMQ Apollo
Security
SEDA
Selectors
Setting up ActiveMQ Classic with Tomcat 5.5.9
Shared File System Master Slave
Shiro
Should I deploy Enterprise Integration Patterns in the broker or another application
Should I deploy the broker inside my JVM or AppServer
Should I pool connections
Should I run ActiveMQ Classic on Windows in a directory with spaces?
Should I use transactions
Should I use XA
SiteMap
SJSAS with GenericJMSRA
Slow Consumer Handling
Slow Consumers
Slow networks drop large messages
Solaris Platform
Source XRef
Source
Spring Support
SQLServer
SSL Transport Reference
Static Transport Reference
StatisticsPlugin
Title
Stomp
Structured Message Properties and MapMessages
Subscription Recovery Policy
Sun JNDI
Supporting IO Streams
Sybase
TCP Transport Reference
Test Source XRef
TEST
Thanks
The ActiveBlaze Message type
The Broker will not start
The JMS Connector
The Proxy Connector
The vm transport starts a broker before my configured broker starts
Throughput
TimeStampPlugin
Tomcat
TomEE
Tools
Topologies
Total Ordering
Tutorials
UDP Transport Reference
Unix Service
Unix Shell Script
Unix
URI Protocols
Use Cases
Title
User Submitted Configurations
Using ActiveMQ Classic 4
Using ActiveMQ Classic 5
Using ActiveMQ Classic
Using ActiveMQ Classic with EJB3 (JBoss Example)
Using the Solaris CC compiler
Title
Verify Downloads
Version 5 Examples
Version 5 Getting Started
Version 5 Hello World
Version 5 Initial Configuration
Version 5 Installation
Version 5 Performance Tuning
Version 5 Run Broker
Version 5 Topologies
Version 5 Web Samples
Version 5 XML Configuration
Virtual Destinations
Virtual Threads
Visualisation Wish List
Visualisation
VM Protocol
VM Transport Reference
Web Console
Web Samples
WebLogic Integration
WebSockets
What are administered objects
What are those topics ActiveMQ.Advisory
What happens when the journal size is exceeded
What happens with a fast producer and slow consumer
What is ActiveMQ Classic
What is the difference between a Virtual Topic and a Composite Destination
What is the difference between discovery, multicast and zeroconf
What is the difference between persistent and non-persistent delivery?
What is the license
What is the Prefetch Limit For?
What jars do I need
What open source integration solution works best with ActiveMQ Classic
What platforms does ActiveMQ Classic support
What version should I use
While posting large binary file to activeMQ, is there a way to measure its progress
Why do I not get all of the messages I sent
Why do I not receive messages on my durable topic subscription
Why do KahaDB log files remain after cleanup
Wildcards
Wire Protocol
WS Notification
WSIF
XBean XML Reference 4.1
XBean XML Reference 5.0
Xml Configuration
Xml Reference
XMPP
ZeroConf Transport Reference
ZeroConf
zOS

Release Plans

Release Plans

Developers > Developer Guide > Release Plans

Information

Release Info
How you can help release

Release Plans

4.0 RC 1 Guide

Replicated LevelDB Store

Information
Release Plans

Enjoy the benefits of open source by contributing to a code-base, asking a question on one of our mailing lists, or reporting a bug or requesting a feature. When you participate, we all win. That's the power of community. That's the power of open source.

Apache ActiveMQ

Apache ActiveMQ

Apache, ActiveMQ, Apache ActiveMQ, the Apache logo, and the Apache ActiveMQ project logo are trademarks of The Apache Software Foundation. Copyright © 2026, The Apache Software Foundation. Licensed under Apache License 2.0.