On Dec 29, 2009, at 11:42 AM, Paul Sandoz wrote:
> Hi David,
>
> Jakub, who is currently on holiday, is working on OSGi integration.
> There is a branch:
>
> branches/jersey-osgi-fication/jersey
>
Wrong branch, it is
branches/jersey-osgi-fication
To build and test you need to use SE 6.
Paul.
> where some good progress has been made. Perhaps you can check out
> that branch and have a look?
>
> We would like to have such support ready for Jersey 1.1.5 (scheduled
> for middle of Jan) but i think we may require some help with testing
> because we want to ensure we get this correct.
>
> There are some issues still left to resolve but we are getting
> close. IIRC the main issue is one of scanning for resource and
> provider classes, and instead a Jersey application bundle needs to
> explicitly register such classes via an implementation of
> javax.ws.rs.core.Application.
>
>
> The main issue with Jersey integration is that Jersey utilizes META-
> INF/services files [*] and we need a way of integrating support that
> is OSGi friendly.
>
> Paul.
>
> [*] META-INF/services files are a very poor choice for dynamic
> modules!
>
> On Dec 27, 2009, at 9:27 PM, David Tkaczyk wrote:
>
>> Hi,
>>
>> I'm really struggling (going on 2 or 3 days now) to get Felix to
>> work with a
>> Grizzly Http Service deploying Jersey. I've googled like crazy to
>> try and resolve on my own, but no luck. I'm hoping that I'm
>> overlooking
>> something simple that someone can point out to me. Everything is
>> ACTIVE/RESOLVED from an osgi perspective. My problem appears to be
>> that
>> Jersey cannot locate my resource file. Along with Jersey's
>> inability to
>> find my resource class there's also a stack trace
>> (ServiceConfigurationError)
>> that I'll post below. Also, I’ve posted this on the felix site as
>> well, but
>> haven’t received any help.
>>
>> Thanks,
>> Dave
>>
>> package camiant.osgi.msr.rest;
>>
>> import java.util.Dictionary;
>> import java.util.Hashtable;
>> import org.osgi.framework.ServiceReference;
>> import org.osgi.service.http.HttpService;
>> import org.osgi.util.tracker.ServiceTrackerCustomizer;
>> import org.slf4j.Logger;
>> import org.slf4j.LoggerFactory;
>> import com.sun.jersey.server.impl.container.servlet.ServletAdaptor;
>>
>> public class HttpServiceServiceTrackerCustomizer implements
>> ServiceTrackerCustomizer {
>>
>> private static final Logger LOGGER =
>> LoggerFactory.getLogger(HttpServiceServiceTrackerCustomizer.class);
>>
>> private static final Dictionary<String, String>
>> JERSEY_INIT_PARAMS = new
>> Hashtable<String, String>();
>>
>> static {
>> // NOTE: I've tried several different ways to get Jersey to
>> find my
>> resource file, but no luck. package config/resource config/custom
>> Application
>> // Just about every different way that Jersey
>> allows, I've
>> tried
>>
>> JERSEY_INIT_PARAMS.put("com.sun.jersey.config.property.packages",
>> "camiant.osgi.msr.rest.resource");
>> }
>>
>> @Override
>> public Object addingService(ServiceReference serviceRef) {
>>
>> LOGGER.info("Adding service: " +
>> serviceRef.getBundle().getSymbolicName());
>>
>> HttpService grizzlyService =
>> (HttpService
>> )serviceRef.getBundle().getBundleContext().getService(serviceRef
>> );
>>
>> try {
>> // NOTE: as you see I've tried both ServletContainer and
>> ServletAdaptor - both produce similar results
>>
>> //grizzlyService.registerServlet("/rs", new ServletContainer(),
>> JERSEY_INIT_PARAMS, null);
>>
>> grizzlyService.registerServlet("/rs", new ServletAdaptor(),
>> JERSEY_INIT_PARAMS, null);
>> } catch (Exception e) {
>> e.printStackTrace(); //TODO what is best here..
>> grizzlyService = null;
>> }
>>
>> return grizzlyService;
>> }
>> }
>>
>> package camiant.osgi.msr.rest.resource;
>>
>> import javax.ws.rs.GET;
>> import javax.ws.rs.Path;
>> import javax.ws.rs.Produces;
>> import javax.ws.rs.core.Response;
>>
>> @Path("/msr")
>> public class TestResource {
>>
>> @GET
>> @Path("/keytypes")
>> @Produces("text/xml")
>> public Response getKeyTypes() {
>> return Response.ok().entity("this is a cheap key
>> type!!!!!!!!!").build();
>> }
>> }
>>
>> Welcome to Felix
>> ================
>>
>> 2009-12-23 16:30:47,872-0500 INFO
>> RestMSRCoreServiceTrackerCustomizer:16 -
>> Adding service: camiant.osgi.msr.core
>>
>> Dec 23, 2009 4:30:48 PM com.sun.grizzly.Controller logVersion
>>
>> INFO: Starting Grizzly Framework 1.9.18-e - Wed Dec 23 16:30:48 EST
>> 2009
>>
>> 2009-12-23 16:30:48,220-0500 INFO
>> HttpServiceServiceTrackerCustomizer:65 -
>> Adding service: com.sun.grizzly.osgi.grizzly-httpservice-bundle
>>
>> Dec 23, 2009 4:30:48 PM
>> com.sun.jersey.api.core.PackagesResourceConfig init
>>
>> INFO: Scanning for root resource and provider classes in the
>> packages:
>> camiant.osgi.msr.rest.resource
>>
>> Dec 23, 2009 4:30:48 PM
>> com.sun.jersey.api.core.ScanningResourceConfig init
>> INFO: No root resource classes found.
>> Dec 23, 2009 4:30:48 PM
>> com.sun.jersey.api.core.ScanningResourceConfig init
>> INFO: No provider classes found.
>>
>> ERROR: EventDispatcher: Error during dispatch.
>> (com.sun.jersey.spi.service.ServiceConfigurationError:
>> com.sun.jersey.spi.container.WebApplicationProvider: The class
>> com.sun.jersey.server.impl.container.WebApplicationProviderImpl
>> implementing
>> provider interface
>> com.sun.jersey.spi.container.WebApplicationProvider could
>> not be instantiated: null)
>>
>> com.sun.jersey.spi.service.ServiceConfigurationError:
>> com.sun.jersey.spi.container.WebApplicationProvider: The class
>> com.sun.jersey.server.impl.container.WebApplicationProviderImpl
>> implementing
>> provider interface
>> com.sun.jersey.spi.container.WebApplicationProvider could
>> not be instantiated: null
>>
>> at
>> com.sun.jersey.spi.service.ServiceFinder.fail(ServiceFinder.java:380)
>> at
>> com.sun.jersey.spi.service.ServiceFinder.access
>> $600(ServiceFinder.java:144)
>> at
>> com.sun.jersey.spi.service.ServiceFinder
>> $LazyObjectIterator.hasNext(ServiceF
>> inder.java:683)
>> at
>> com
>> .sun
>> .jersey.spi.container.WebApplicationFactory.createWebApplication(WebA
>> pplicationFactory.java:61)
>> at
>> com
>> .sun
>> .jersey.spi.container.servlet.ServletContainer.create(ServletContaine
>> r.java:325)
>> at
>> com.sun.jersey.spi.container.servlet.ServletContainer
>> $InternalWebComponent.c
>> reate(ServletContainer.java:240)
>> at
>> com
>> .sun
>> .jersey.spi.container.servlet.WebComponent.load(WebComponent.java:548
>> )
>> at
>> com
>> .sun
>> .jersey.spi.container.servlet.WebComponent.init(WebComponent.java:201
>> )
>> at
>> com
>> .sun
>> .jersey.spi.container.servlet.ServletContainer.init(ServletContainer.
>> java:307)
>> at
>> com
>> .sun
>> .jersey.spi.container.servlet.ServletContainer.init(ServletContainer.
>> java:470)
>> at
>> javax.servlet.GenericServlet.init(GenericServlet.java:242)
>> at
>> com
>> .sun
>> .grizzly.http.servlet.ServletAdapter.loadServlet(ServletAdapter.java:
>> 428)
>> at
>> com
>> .sun
>> .grizzly.osgi.httpservice.OSGiServletAdapter.startServlet(OSGiServlet
>> Adapter.java:99)
>> at
>> com
>> .sun
>> .grizzly.osgi.httpservice.OSGiMainAdapter.registerServletAdapter(OSGi
>> MainAdapter.java:178)
>> at
>> com
>> .sun
>> .grizzly.osgi.httpservice.HttpServiceImpl.registerServlet(HttpService
>> Impl.java:92)
>> at
>> camiant
>> .osgi.msr.rest.HttpServiceServiceTrackerCustomizer.addingService(Http
>> ServiceServiceTrackerCustomizer.java:70)
>> at
>> org.osgi.util.tracker.ServiceTracker
>> $Tracked.customizerAdding(ServiceTracker
>> .java:896)
>> at
>> org
>> .osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:
>> 261)
>> at
>> org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:233)
>> at
>> org.osgi.util.tracker.ServiceTracker
>> $Tracked.serviceChanged(ServiceTracker.j
>> ava:840)
>> at
>> org
>> .apache
>> .felix.framework.util.EventDispatcher.invokeServiceListenerCallbac
>> k(EventDispatcher.java:878)
>> at
>> org
>> .apache
>> .felix.framework.util.EventDispatcher.fireEventImmediately(EventDi
>> spatcher.java:732)
>> at
>> org
>> .apache
>> .felix.framework.util.EventDispatcher.fireServiceEvent(EventDispat
>> cher.java:662)
>> at
>> org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3587)
>> at org.apache.felix.framework.Felix.access
>> $000(Felix.java:40)
>> at
>> org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:625)
>> at
>> org
>> .apache
>> .felix.framework.ServiceRegistry.registerService(ServiceRegistry.j
>> ava:90)
>> at
>> org.apache.felix.framework.Felix.registerService(Felix.java:2711)
>> at
>> org
>> .apache
>> .felix.framework.BundleContextImpl.registerService(BundleContextIm
>> pl.java:252)
>> at
>> org
>> .apache
>> .felix.framework.BundleContextImpl.registerService(BundleContextIm
>> pl.java:230)
>> at
>> com.sun.grizzly.osgi.httpservice.Activator.start(Activator.java:89)
>> at
>> org
>> .apache
>> .felix.framework.util.SecureAction.startActivator(SecureAction.jav
>> a:639)
>> at
>> org.apache.felix.framework.Felix.activateBundle(Felix.java:1700)
>> at
>> org.apache.felix.framework.Felix.startBundle(Felix.java:1622)
>> at
>> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1077)
>> at
>> org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:
>> 264)
>> at java.lang.Thread.run(Thread.java:619)
>> Caused by: java.lang.ClassCastException
>> at java.lang.Class.cast(Class.java:2990)
>> at
>> com.sun.jersey.spi.service.ServiceFinder
>> $LazyObjectIterator.hasNext(ServiceF
>> inder.java:641)
>>
>> ... 34 more
>>
>> [INFO] Started bridged http service
>> ps
>>
>> START LEVEL 1
>>
>> ID State Level Name
>> [ 0] [Active ] [ 0] System Bundle (2.0.1)
>> [ 1] [Active ] [ 1] Ant repackaging (3.0.0.b74b)
>> [ 2] [Active ] [ 1] ASM all classes (3.2)
>> [ 3] [Active ] [ 1] Camiant MSR Core (0.1.0)
>> [ 4] [Active ] [ 1] Camiant MSR REST (0.1.0)
>> [ 5] [Active ] [ 1] Grizzly OSGi HttpService Bundle
>> (1.9.18.e)
>> [ 6] [Active ] [ 1] http (0)
>> [ 7] [Active ] [ 1] Jackson JSON processor (1.1.1)
>> [ 8] [Active ] [ 1] javax.annotation API v.1.1 (3.0.0.b74b)
>> [ 9] [Active ] [ 1] javax.ejb API v.3.1 (3.0.0.b74b)
>> [ 10] [Active ] [ 1] Java Persistence API 2.0
>> (2.0.0.v200911271158)
>> [ 11] [Active ] [ 1] javax.servlet API v.3.0 (3.0.0.b74b)
>> [ 12] [Active ] [ 1] javax.servlet.jsp API v.2.1.2
>> (3.0.0.b74b)
>> [ 13] [Active ] [ 1] jaxb-api (2.2)
>> [ 14] [Active ] [ 1] jaxb (2.2)
>> [ 15] [Active ] [ 1] jdom (0)
>> [ 16] [Active ] [ 1] jersey-bundle (1.1.5.ea-SNAPSHOT)
>> [ 17] [Active ] [ 1] jettison (1.1)
>> [ 18] [Active ] [ 1] jsr311-api (1.1.1)
>> [ 19] [Active ] [ 1] JavaMail API (1.4.3)
>> [ 20] [Active ] [ 1] Apache Felix Configuration Admin Service
>> (1.2.4)
>> [ 21] [Active ] [ 1] Apache Felix Http Bundle (2.0.4)
>> [ 22] [Active ] [ 1] Apache Felix Shell Service (1.4.1)
>> [ 23] [Active ] [ 1] Apache Felix Shell TUI (1.4.1)
>> [ 24] [Active ] [ 1] Apache Felix Web Management Console
>> (2.0.2)
>> [ 25] [Resolved ] [ 1] Camiant MSR Log4JProperties (0.5.0)
>> [ 26] [Active ] [ 1] Apache Jakarta log4j Plug-in
>> (1.2.15.v200910021404)
>> [ 27] [Active ] [ 1] ROME, RSS and atOM utilitiEs for Java
>> (1.0)
>> [ 28] [Active ] [ 1] slf4j-api (1.5.8)
>> [ 29] [Resolved ] [ 1] slf4j-log4j12 (1.5.8)
>> [ 30] [Active ] [ 1] Sun Misc RT Packages (1.0.0)
>> [ 31] [Active ] [ 1] tools (0)
>> [ 32] [Active ] [ 1] Weld OSGi Bundle (1.0.0.SP4)
>>
>>
>> David Tkaczyk
>> Member of Technical Staff
>>
>> <image001.gif>
>>
>> www.camiant.com
>> 200 Nickerson Road, Marlborough, MA 01752-4603 USA
>>
>> <image002.gif>
>>
>