[CONF] Apache CXF: Distributed OSGi (page edited)

[confluence]

Page Edited : CXF : Distributed OSGi Distributed OSGi has been edited by David Bosschaert (Dec 23, 2008). (View changes) Content: Apache CXF provides the Reference Implementation of the Distribution Software (DSW) component of the Distributed OSGi Specification (RFC 119 in http://www.osgi.org/download/osgi-4.2-early-draft2.pdf). It implements RFC 119 using Web Services, leveraging SOAP over HTTP and exposing the Web Service over a WSDL contract. Note that currently this code lives in the sandbox. We are working on moving into the main CXF code base at the moment. NOTE: This page is work in progress! Getting Started To get started, check out the code from http://svn.apache.org/repos/asf/cxf/sandbox/dosgi Then build & test using: mvn install This builds the code, runs the unit and system tests and finally creates two distributions: distribution/multi-bundle: This distribution is a zip file containing the Distributed OSGi bundles, as well as all their dependencies. distribution/single-bundle: This is a convenience distribution of a single bundle that embeds all the dependencies. Which distribution to take? That depends on what you are doing. The single-bundle distribution is a really convenient way of getting started as it provides all of Distributed OSGi plus its dependencies in one. The multi-bundle distribution is obviously a little more work to install, but it the fine-grained bundles do have an extra benefit: they allow sharing. So if your application depends on one or more of the library bundles, it can use them from the multi-bundle distribution. Similarly, the multi-bundle distribution makes it possible to update the dependency bundles - if compatible - without having to replace the Distributed OSGi bundles. Running it Configuration file snippets are automatically generated during the build process. You can paste these snippets in the configuration of you OSGi container to automatically load the bundles for you distribution. After doing a build, the following snippets are available: distribution/multi-bundle/target/felix.config.properties.append distribution/multi-bundle/target/equinox.config.ini.append distribution/single-bundle/felix.config.properties.append distribution/single-bundle/equinox.config.ini.append Note that to run the Distributed OSGi bundles, you need an OSGi container that implements the ListenerHook Service Registry Hook. This is a new feature in OSGi 4.2 which is available in Felix from version 1.4.1 and Equinox 3.5 milestones since December 2008. Using Felix Verified with: Felix pre 1.4.1 trunk Append the content of the felix.config.properties.append file to the conf/config.properties file that comes with Felix. Then start Felix as normal. For the single-bundle distribution, the following bundles will be present: java -jar bin\felix.jar* ... log output ommitted ... -> ps START LEVEL 2 ID State Level Name [ 0] [Active ] [ 0] System Bundle (1.5.0.SNAPSHOT) [ 1] [Active ] [ 1] Apache Felix Shell Service (1.1.0.SNAPSHOT) [ 2] [Active ] [ 1] Apache Felix Shell TUI (1.1.0.SNAPSHOT) [ 3] [Active ] [ 1] Apache Felix Bundle Repository (1.3.0.SNAPSHOT) [ 4] [Active ] [ 2] OSGi R4 Compendium Bundle (4.1.0) [ 5] [Active ] [ 2] Distributed OSGi Distribution Software Single-Bundle Distribution (1.0.0.SNAPSHOT) For the multi-bundle distribution the list is obviously much longer: START LEVEL 34 ID State Level Name [ 0] [Active ] [ 0] System Bundle (1.5.0.SNAPSHOT) [ 1] [Active ] [ 1] Apache Felix Shell Service (1.1.0.SNAPSHOT) [ 2] [Active ] [ 1] Apache Felix Shell TUI (1.1.0.SNAPSHOT) [ 3] [Active ] [ 1] Apache Felix Bundle Repository (1.3.0.SNAPSHOT) [ 4] [Active ] [ 2] OSGi R4 Compendium Bundle (4.1.0) [ 5] [Active ] [ 3] geronimo-annotation_1.0_spec (1.1.1) [ 6] [Active ] [ 4] geronimo-activation_1.1_spec (1.0.2) [ 7] [Active ] [ 5] geronimo-javamail_1.4_spec (1.2) [ 8] [Active ] [ 6] geronimo-ws-metadata_2.0_spec (1.1.2) [ 9] [Active ] [ 7] geronimo-servlet_2.5_spec (1.1.2) [ 10] [Active ] [ 8] Apache Commons Logging (1.1.1) [ 11] [Active ] [ 9] JDOM DOM Processor (1.0.0) [ 12] [Active ] [ 10] spring-core (2.5.5) [ 13] [Active ] [ 11] spring-beans (2.5.5) [ 14] [Active ] [ 12] spring-context (2.5.5) [ 15] [Active ] [ 13] AOP Appliance API (1.0.0) [ 16] [Active ] [ 14] spring-aop (2.5.5) [ 17] [Active ] [ 15] spring-osgi-io (1.1.2) [ 18] [Active ] [ 16] spring-osgi-core (1.1.2) [ 19] [Active ] [ 17] spring-osgi-extender (1.1.2) [ 20] [Active ] [ 18] Jetty Utilities (6.1.9) [ 21] [Active ] [ 19] Jetty Server (6.1.9) [ 22] [Active ] [ 20] org.apache.servicemix.specs.locator-1.0.0.jar [ 23] [Active ] [ 21] Apache ServiceMix OSGI Common Bundles: jaxb-impl (4.0.0.m1) [ 24] [Active ] [ 22] Apache ServiceMix OSGI Common Bundles: wsdl4j (4.0.0.m1) [ 25] [Active ] [ 23] Apache ServiceMix OSGI Common Bundles: xmlschema (4.0.0.m1) [ 26] [Active ] [ 24] Apache ServiceMix OSGI Common Bundles: asm-2.2.3 (1.0.0.rc1) [ 27] [Active ] [ 25] Apache ServiceMix OSGI Common Bundles: xmlresolver (4.0.0.m1) [ 28] [Active ] [ 26] Apache ServiceMix OSGI Common Bundles: neethi (4.0.0.m1) [ 29] [Active ] [ 27] Apache ServiceMix Bundles: woodstox-3.2.7 (3.2.7.1) [ 30] [Active ] [ 28] Apache CXF Minimal Bundle Jar (2.0.8) [ 31] [Active ] [ 29] CXF Local Discovery Service Bundle (1.0.0.SNAPSHOT) [ 32] [Active ] [ 30] CXF Distributed Software Bundle (1.0.0.SNAPSHOT) [ 33] [Active ] [ 31] Apache ServiceMix Specs :: SAAJ API 1.3 (1.0.0) [ 34] [Active ] [ 32] Apache ServiceMix Specs :: STAX API 1.0 (1.0.0) [ 35] [Active ] [ 33] Apache ServiceMix Specs :: JAXB API 2.0 (1.0.0) [ 36] [Active ] [ 34] Apache ServiceMix Specs :: JAXWS API 2.0 (1.0.0) Using Equinox Verified with: Eclipse Equinox 3.5M4 Append the contents of the equinox.config.ini.append file to your Equinox configuration/config.ini file. Or create a new config.ini file with the contents of the equinox.config.ini.append file if you don't have one. Then start up equinox as normal. You will get something like this (for the single-bundle distribution): java -jar plugins\org.eclipse.osgi_3.5.0.v20081201-1815.jar -configuration configuration -console ... log output ommitted ... osgi> ss Framework is launched. id State Bundle 0 ACTIVE org.eclipse.osgi_3.5.0.v20081201-1815 1 ACTIVE org.eclipse.osgi.services_3.2.0.v20081205-1800 2 ACTIVE cxf-dosgi-ri-singlebundle-distribution_1.0.0.SNAPSHOT Using Equinox from with the Eclipse IDE This option is really handy for debugging. Verified with: Eclipse 3.5M5 Samples The samples directory contains the following sample projects: greeter: a very simple demo of a Greeter OSGi Service exposed remotely and a Consumer invoking on it. spring_dm: a demo created using Spring-DM. Rather than invoking on the OSGi API's directly, the Spring-DM demo shows how you can use Spring to configure your beans as OSGi Services and similarly how to use Spring-DM to invoke a (remote) OSGi Service. Walkthrough of the Greeter Demo

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