What is Java Message Service (JMS) for?

Question

I am currently evaluating JMS and I don\'t get what I could use it for.

Currently, I believe this would be a Usecase: I want to create a SalesInvoice PDF and print it w

Answer 1

I've used it on a number of projects. It can help with scalability, decoupling of services, high availability. Here's a description of how I used it on a project several years ago:

http://coders-log.blogspot.com/2008/12/favorite-projects-series-installment-2.html

The description explains what JMS brought to the table for this particular project, but other projects will use messaging systems for a variety of reasons.