I just stumbled over a phenomenon in my code which comes down to this: I have an OSGi Declarative Service providing two service interfaces configured as follows: <?xml version="1.0" encoding="...

I'm trying to get comfortable in the vast ecosystem of enterprise OSGi programming, but I find it very difficult to get an overview of how this technology stack is put together, which technologies ...

In my working place, they asked to me to learn the OSGi framework and to decide what is the best approach to work with it. In the last two weeks, I surfed the web and I discovered a lot of differen...

I have created an OSGi bundle with an exposed (declarative) service. If I, when activate is called, notice that something is amiss such that I can not provide the service, I need to prevent it from...

I have a fragment bundle that I created to access some add functionality to a second-party jar. My fragment should register a service to expose this new functionality. It doesn't seem to work. Befo...

I'm trying to figure out how to implement multi-bundle integration test in OSGi using JUnit. With integration test, I mean instantiating a subset of the bundles to automatically validate function...

I have a component which was developed for Apache Karaf 4.0.5. However, it turns out it needs to be deployed on glassfish 4, which is based on an older version of Felix. I get this message when try...

I'm using Apache Felix declarative services in my application and I'm looking for a cheat sheet which describes the parameters one can give to the @Reference annotation. I saw a webpage once which ...

I have written an OSGi bundle to use it in my eclipse 4 rcp application. The usage of the service works fine if I add the dependencies, register these service in my activator and inject it in my cl...

The OSGi Enterprise Release 5 Specification introduces the osgi.extender namespace. This namespace makes it possible for bundles that assume extenders such as Blueprint or Declarative Services are ...

I'm migrating an existing GWT app running on OSGi (Equinox) and Pax-web to use Declarative Services instead of programmatic Service Tracker. I'm using Pax-Web in Equinox. A WAR-based GWT applicati...

I just recently stumbled upon the fact that Declarative Services in OSGi can set the configuration of a component to required so that the component receives it upon activation, removing the gap bet...

I have this scenario, I have three declarative services that provide the same interface (say a reader interface and I have readerimpl1-database- readerimpl2-flat file- readerimpl3-memory). I want t...

Say you have an eclipse plugin with various views, these views should display data from some OSGi bundle that pushes data to the Views. Rather than have every view communicate with the OSGi bundle,...