ActiveMQ in Action (2)

• Today, six or seven years after ActiveMQ was originally created, it's surprising how far and widely it is being used.

There is a dedicated page in ActiveMQ's website listing projects using ActiveMQ.

• Apache ActiveMQ ™ -- Projects Using ActiveMQ

It's interesting that SpringSide is listed.

• The versatility of not only ActiveMQ but also event-based systems has appealed to a very large audience of users and that appeal continues to grow.

Keyword: event-based. Yes, messaging system is the core of event-base system.

• ActiveMQ provides many features beyond this spec and it has not stopped innovating.

It is good or bad? I don't know.

• We did our best to keep this book up to date with ActiveMQ 5.4.1
• We hope that, by reading this book, you will come to appreciate not only ActiveMQ but the concepts surrounding event-based systems.