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  • SpringSource dm Server on an application server


    we are starting to develop a new application and would like to take advantage of the benefits of SpringSource dm Server/Spring DM or OSGi in general. In fact, we are migrating a whole product line, which will consist of a few web apps, which are using a base service app for common data and services. In that sense, this is will be a set of highly modular applications which are interconnected in a more service-oriented way.

    New to the whole OSGi thing, we are very impressed by it. Especially SpringSource dm Server would really fit our needs best. Our problem though is, that our customer requires the app to run on their application server (websphere), so we can't just install either a SpringSource dm Server nor any OSGi platform to run our app on. Or do you see any chance to do so?

    The last chance we see to use OSGi, is to use a bridge (see for example "Hello, OSGi, Part3" on JavaWorld, or Server-Side Equinox). With this approach we would run a WAR-package, inside that we run an OSGi container, on that we run a Spring DM powered web app. Does anyone have any experience with this approach? We could imagine that there is a problem running basically many webapps (our applications) inside another web app (the bridge), especially when running multiple of them. Another thing, that could be an issue is that there is a larger gap between the bridge (e.g. servlet filters (OSIV, Security), web.xml in general) and the web applications inside the bridge, because these (in a sense) are not running inside the war directly but in an OSGi container inside that (could I make that point clear?).

    We would be so happy if we could use OSGi/Spring dm Server. Any suggestions?