Virtualized-Java-on-the-cloud news is still the industry’s most intriguing storyline this Monday, as SpringSource absorbs another startup. In this case, it’s Gemstone, an “enterprise data management solutions provider.” For those who don’t speak buzz, there’s this quick InfoQ interview with Rod Johnson and GemStone’s Richard Lamb, along with Johnson’s own blog post on the subject (complete with the now de rigueur semi-scrutable diagram. The short version is that Gemstone offers tools that help do distributed data caching for Java — something that would be helpful if, say, you were running a JVM or Java app server on top of multiple layers of abstraction.One of the interesting things about this acquisition is that Gemstone in fact already played nicely with SpringSource’s offerings — but, of course, just the fact that it came from a different vendor implied a certain increased degree of difficulty in getting it up to speed with your SpringSource setup. SpringSource seems determined to really be an all-in-one company, with a whole enormous stack of stuff for your not to worry about. It’s an appealing image, of course, but I am curious to hear just how well it works out in practice. What do you do when some of these parts of disparate origin don’t mesh quite as well as intended?VMware has gotten quite enthusiastic about cloud-based Java since that acquisition; one of their employees on his personal blog is starting a nice-looking primer that will help Java experts and virtualization experts speak each other’s language. Cloud ComputingSoftware DevelopmentTechnology Industry