In an article on dev2dev, BEA’s Bill Wroth observes the increase of the usage of the Spring framework on WebLogic customer sites. He writes: "As I travel around to customer sites, it seemingly comes up everywhere.
I have seen it in large government agencies, financial companies, and
internet companies. I have seen it used by small consultancies and the
large systems integrators." Bill states that the Spring framework is strategic for BEA, firstly because of an "inexorable move by developers onto the framework". And secondly, because IoC makes life easier. Read the article here: http://dev2dev.bea.com/blog/wgroth2/archive/2006/02/spring_is_busti.html