Hi Reto, You've mentioned it a couple of times, but I wonder why is an executable jar so important to you?
Regards, Minto Op 7-3-2013 18:20, Reto Bachmann-Gmür schreef: > Hi Minto > > Thanks. > > Yes Clerezza offers no easy and documented way to create custom launchers. > The disadvantage of Karaf I see is that one has no executable jar. I think > a good approach would be to have a rather small executable jar and the > ability to add features at runtime. That's whey I was experimenting in > adding the karaf services for installing features. > > Reto > > On Mon, Mar 4, 2013 at 11:54 AM, Minto van der Sluis <[email protected]> wrote: > >> Hi Reto, >> >> Apologies for the delay, due to a vacation I have been offline for a while. >> >> I decided to go for karaf mainly because I was a newby for both the >> karaf and sling way of building a distribution. At the time creating my >> own distribution based on karaf seemed more simple. I also fancied the >> commandline present in Karaf and the ability to brand it. >> >> Regards, >> >> Minto >> >> Op 22-2-2013 18:59, Reto Bachmann-Gmür schreef: >>> Hi Minto >>> >>> I think checking and ensuring interoperability (in both directions) is a >>> great sanity check of the architecture. But my concrete motivation was >>> exploring way to have clerezza more modular, to have easy way to install >>> optional components (like UIMA or CRIS) and maybe to make the launcher >>> slimmer. >>> >>> On the Karaf list I was asked why we don't use a the Karaf framework in >>> Clerezza. I'm not sure what advatages/disadvantatges this would bring. I >>> think having an executable jar as launcher is quite important. Also I'm >> not >>> sure how well the security stuff would work together. >>> >>> What are the reasons for you to use Karaf? >>> >>> Cheers, >>> Reto >>> >>> On Mon, Feb 11, 2013 at 11:03 PM, Minto van der Sluis <[email protected]> >> wrote: >>>> Hi, >>>> >>>> What I have done is the reverse (clerezza in karaf) and might be of >>>> interest to others: >>>> >>>> I have created a custom karaf based distribution containing: >>>> - clerezza components >>>> - stanbol rulestore and ontology manager >>>> - karaf cli commands to manipulate stanbol rulestore >>>> - custom components of my own >>>> >>>> For both clerezza and stanbol I created karaf features to only contain >>>> components used by me. This however can be easily extended to contain >>>> all features. It is still up to the distribution to decide which >>>> features to load on startup. >>>> >>>> If there is any interest please let me know. Then I will ask my client >>>> if I can share details with the community. >>>> >>>> Regards, >>>> >>>> Minto >>>> >>>> Op 11-2-2013 21:56, Reto Bachmann-Gmür schreef: >>>>> My experiments today. >>>>> >>>>> Goal: Be able to install Karaf features within clerezza >>>>> >>>>> Approach: use the service org.apache.karaf.features.FeaturesService >>>> provided by >>>>> the bundle Apache Karaf :: Features :: Core >>>>> (org.apache.karaf.features.core) [1]. >>>>> >>>>> Unfortunately this bundle has quite some dependencies which need to be >>>>> satisfied. I've chosen a brute force approach and installed the list >>>>> of bundles of the karaf-framework feature. Because of chicken and egg >>>>> I can't yet install features. So I needed the following scala on the >>>>> command line: >>>>> >>>>> import java.net._ >>>>> val url = new >> URL("mvn:org.apache.karaf.assemblies.features/standard/2.3.0/xml/features") >>>>> val conn = url.openConnection >>>>> import xml._ >>>>> val doc = XML.load(conn.getInputStream) >>>>> >>>>> for (b <- doc\"feature"\"bundle") { >>>>> val mvnUri = b.text >>>>> try { >>>>> val bundle = bundleContext.installBundle(mvnUri) >>>>> bundle.start() >>>>> } catch { >>>>> case ex => out.println("Exception installing bundle", ex) >>>>> } >>>>> } >>>>> >>>>> The bundle org.apache.karaf.features.core is now satisfied but not >>>>> exposing any service. For some reason the blueprint service bundle >>>>> wasn't activated, activating it over the webconsole made the service >>>>> available. As new packages aren't avaiable on already open shells I >>>>> have to reconnect via ssh. >>>>> >>>>> Now I can access the service: >>>>> >>>>> zz>val fs = $[org.apache.karaf.features.FeaturesService] >>>>> fs: org.apache.karaf.features.FeaturesService = >>>>> org.apache.karaf.features.internal.FeaturesServiceImpl@9d8957d >>>>> zz>fs.[TAB] >>>>> addRepository asInstanceOf getFeature >>>>> installFeature installFeatures isInstalled >>>>> isInstanceOf listFeatures >>>>> listInstalledFeatures listRepositories removeRepository >>>>> restoreRepository toString uninstallFeature >>>>> validateRepository >>>>> zz>fs.listFeatures >>>>> res0: Array[org.apache.karaf.features.Feature] = Array() >>>>> zz>fs.listRepositories >>>>> res1: Array[org.apache.karaf.features.Repository] = Array() >>>>> >>>>> The next step will be to add a repository. >>>>> >>>>> Reto >>>>> >>>>> 1. Thanks to Krzysztoffor pointing me to this: >>>>> >> http://mail-archives.apache.org/mod_mbox/karaf-user/201302.mbox/%3C2960186.kKK1vM5F7L%40dracula%3E >>>> -- >>>> ir. ing. Minto van der Sluis >>>> Software innovator / renovator >>>> Xup BV >>>> >>>> Mobiel: +31 (0) 626 014541 >>>> >>>> >> >> -- >> ir. ing. Minto van der Sluis >> Software innovator / renovator >> Xup BV >> >> Mobiel: +31 (0) 626 014541 >> >> -- ir. ing. Minto van der Sluis Software innovator / renovator Xup BV Mobiel: +31 (0) 626 014541
