(Disclaimer: I am the author of JSPF, so better take my comment with a grain of salt 😉 The main reason I started with the JSPF was because I had the same problem as you have now: I was looking for a simple solution to make my thesis-project 1) extensible and 2) give it a … Read more
TLDR: Apache Karaf is much more ‘batteries-included’. It can also run on any OSGI runtime. Apache Felix (which is an implementation of the OSGi 4.2 framework) Sort of. Apache Karaf can use Apache Felix. Apache Karaf can also use Equinox or another OSGi runtime. By default, the Apache Karaf standard download does come with Apache … Read more
First understand that Jigsaw’s primary use case is to modularise the JRE itself. As a secondary goal it will offer a module system that may be used by other Java libraries and applications. My position is that something like Jigsaw is probably necessary for the JRE only, but that it will create far more problems … Read more
The ‘lightweight OSGi container’ label is contrasting Karaf with more feature rich OSGi containers, not with Felix. To quote Guillaume Nodet (Karaf’s author) from here: Felix is just the OSGi core runtime. Karaf provides a “distribution” based on Felix by adding other features such as a console, an SSH remoting mechanism, a file deployer and … Read more
You can do one of two things: Call getResources() and iterate through the returned collection of URLs, reading them as manifests until you find yours: Enumeration<URL> resources = getClass().getClassLoader() .getResources(“META-INF/MANIFEST.MF”); while (resources.hasMoreElements()) { try { Manifest manifest = new Manifest(resources.nextElement().openStream()); // check that this is your manifest and do what you need or get the … Read more
You don’t have to import foo.fragment in app your dependency will resolve from foo. so just remove that dependency and re-deploy that. This issue is because of cyclic dependency.
what benefits does OSGi’s component system provide you? Well, Here is quite a list: Reduced Complexity – Developing with OSGi technology means developing bundles: the OSGi components. Bundles are modules. They hide their internals from other bundles and communicate through well defined services. Hiding internals means more freedom to change later. This not only reduces … Read more