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6.6. Installing additional features
This chapter will demonstrate how to add additional features from a remote maven repository to a default installation of Karaf.
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Last updated September 3, 2010 using Karaf 2.0.0 |
Adding additional maven repositories
The following steps will add in the missing OPS4J and Apache Snapshot maven repositories. Note - this has been fixed in the 1.1.0 of ServiceMix Kernel release and can be skipped.
- Edit the following file -
No Format etc/org.ops4j.pax.url.mvn.cfg
Update org.ops4j.pax.url.mvn.repositories to include the OPS4J and Apache Snapshot repos -No Format org.ops4j.pax.url.mvn.repositories=file:${user.home}/.m2/repository@snapshots,http://repo1.maven.org/maven2,http://repository.ops4j.org/maven2,http://people.apache.org/repo/m2-snapshot-repository<at:var at:name="snapshots" />noreleases
Adding additional feature repositories
The following steps will add in the URLs for the Camel & ActiveMQ and Features locations.
- Start Karaf
No Format cd bin ./karaf or karaf.bat
- Add the following feature install locations
No Format karaf@root> features:addUrl mvn:org.apache.activemq/activemq-karaf/5.4.0/xml/features karaf@root> features:addUrl mvn:org.apache.camel.karaf/features/2.0.0/xml/features
- Verify the feature URLs were added -
No Format karaf@root> features:listUrl mvn:org.apache.camel.karaf/features/2.0.0/xml/features valid mvn:org.apache.activemq/activemq-karaf/5.4.0/xml/features valid mvn:org.apache.karaf/apache-karaf/2.0.1-SNAPSHOT/xml/features valid
Installing a new feature (war)
The following steps will install the "war" feature (support for deploying WAR files with Servlet and JSPs into a Jetty server) into your Karaf instance.
- List the available features -
No Format karaf@root> features:list State Name . . . [uninstalled] [2.0.0] obr karaf-2.0.0 [uninstalled] [2.0.0] config karaf-2.0.0 [uninstalled] [2.0.0] http karaf-2.0.0 [uninstalled] [2.0.0] war karaf-2.0.0 [uninstalled] [2.0.0] webconsole karaf-2.0.0 [installed ] [2.0.0] ssh karaf-2.0.0 . . .
- Install the war feature (and the sub-features it requires) -
No Format karaf@root> features:install war
- Verify the features were installed
No Format karaf@root> features:list State Name . . . [installed ] [2.0.0] http karaf-2.0.0 [installed ] [2.0.0] war karaf-2.0.0 . . .
- Verify the installed bundles were started
No Format karaf@root> osgi:list START LEVEL 100 ID State Blueprint Level Name . . . [ 32] [Active ] [ ] [ 60] geronimo-servlet_2.5_spec (1.1.2) [ 33] [Active ] [ ] [ 60] Apache ServiceMix :: Bundles :: jetty (6.1.22.2) [ 34] [Active ] [ ] [ 60] OPS4J Pax Web - API (0.7.2) [ 35] [Active ] [ ] [ 60] OPS4J Pax Web - Service SPI (0.7.2) [ 36] [Active ] [ ] [ 60] OPS4J Pax Web - Runtime (0.7.2) [ 37] [Active ] [ ] [ 60] OPS4J Pax Web - Jetty (0.7.2) [ 38] [Active ] [ ] [ 60] OPS4J Pax Web - Jsp Support (0.7.2) [ 39] [Active ] [ ] [ 60] OPS4J Pax Web - Extender - WAR (0.7.2) [ 40] [Active ] [ ] [ 60] OPS4J Pax Web - Extender - Whiteboard (0.7.2) [ 41] [Active ] [ ] [ 60] OPS4J Pax Url - war:, war-i: (1.1.3) [ 42] [Active ] [Created ] [ 60] Apache Karaf :: WAR Deployer (2.0.0) . . .
- The Jetty server should now be listening on http://localhost:8181/, but with no published applications available.
No Format HTTP ERROR: 404 NOT_FOUND RequestURI=/ Powered by jetty://
Deploying a WAR to the installed web feature
The following steps will describe how to install a simple WAR file (with JSPs or Servlets) to the just installed web feature.
- To deploy a WAR (JSP or Servlet) to Jetty, update its MANIFEST.MF to include the required OSGi headers as described here -
http://wiki.ops4j.org/confluence/display/ops4j/Pax+Web+Extender+-+War+-+OSGi-fy - Copy the updated WAR (archive or extracted files) to the deploy directory.
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