Hi Jean-Baptiste,
I wasn't sure if this is a problem with iPojo or Karaf Cellar. As it's
working with blueprint, I figured it is probably caused by iPojo, so I
posted it here.
Thanks for looking into it!
Best regards
Matthias
On Thu, Feb 12, 2015 at 8:38 AM, Jean-Baptiste Onofré <j...@nanthrax.net>
wrote:
> Hi Matthias,
>
> I would post such kind of message on the Karaf dev mailing list.
>
> Anyway, let me take a look.
>
> Regards
> JB
>
>
> On 02/12/2015 08:14 AM, Matthias Jeschke wrote:
>
>> Hi,
>>
>> I wanted to try out karaf cellar with iPojo, however, I ran into some
>> problems. The (very simple) setup is as follows:
>>
>> The service interface bundle contains the service interface
>> "MyRemoteService".
>>
>> package com.boxheadrobot.remoteservice.service;
>>
>> public interface MyRemoteService {
>> String getOutput();
>> }
>>
>> The service implementation bundle contains a service implementation
>> "MyRemoteServiceImpl".
>>
>> package com.boxheadrobot.remoteservice.service.impl;
>>
>> import com.boxheadrobot.remoteservice.service.MyRemoteService;
>> import org.apache.felix.ipojo.annotations.Component;
>> import org.apache.felix.ipojo.annotations.Instantiate;
>> import org.apache.felix.ipojo.annotations.Provides;
>> import org.apache.felix.ipojo.annotations.StaticServiceProperty;
>>
>> @Component
>> @Provides(properties = {@StaticServiceProperty(name =
>> "service.exported.interfaces", type = "java.lang.String", value = "*")})
>> @Instantiate
>> public class MyRemoteServiceImpl implements MyRemoteService {
>>
>> @Override
>> public String getOutput() {
>> return "Node 1";
>> }
>> }
>>
>>
>> The service consumer bundle contains a single class that requires optional
>> "MyRemoteServices". This is done using a @Bind(optional = true, aggregate
>> =
>> true) annotation.
>>
>> package com.boxheadrobot.remoteservice.consumer;
>>
>> import com.boxheadrobot.remoteservice.service.MyRemoteService;
>> import org.apache.felix.ipojo.annotations.Bind;
>> import org.apache.felix.ipojo.annotations.Component;
>> import org.apache.felix.ipojo.annotations.Instantiate;
>> import org.apache.felix.ipojo.annotations.Validate;
>> import org.slf4j.Logger;
>> import org.slf4j.LoggerFactory;
>>
>> @Component
>> @Instantiate
>> public class MyRemoteServiceConsumer {
>>
>> private static final Logger LOG =
>> LoggerFactory.getLogger(MyRemoteServiceConsumer.class);
>>
>> @Validate
>> public void start() {
>> LOG.info("Starting consumer");
>> }
>>
>> @Bind(optional = true, aggregate = true)
>> public void bindService(MyRemoteService service) {
>> LOG.info("Service bound: {}", service);
>> LOG.info("Service output: {}", service.getOutput());
>> }
>> }
>>
>> When I deploy the bundles to karaf (cellar-dosgi), I get some really weird
>> log messages. The service seems to be getting bound more than once and at
>> one point a null service is bound:
>>
>> 2015-02-11 22:03:50,064 | INFO | pool-1-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> bound:
>> com.boxheadrobot.remoteservice.service.impl.MyRemoteServiceImpl@7dddc24a
>> 2015-02-11 22:03:50,089 | INFO | pool-1-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> output:
>> Node 1
>> 2015-02-11 22:03:50,089 | INFO | pool-1-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> bound:
>> com.boxheadrobot.remoteservice.service.impl.MyRemoteServiceImpl@7dddc24a
>> 2015-02-11 22:03:50,089 | INFO | pool-1-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> output:
>> Node 1
>> 2015-02-11 22:03:50,089 | INFO | pool-1-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Starting
>> consumer
>> 2015-02-11 22:03:54,657 | INFO | pool-13-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> bound:
>> com.boxheadrobot.remoteservice.service.impl.MyRemoteServiceImpl@7dddc24a
>> 2015-02-11 22:03:54,659 | INFO | pool-13-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> output:
>> Node 1
>> 2015-02-11 22:04:09,641 | INFO | pool-13-thread-1 |
>> MyRemoteServiceConsumer | 149 -
>> com.boxheadrobot.remote-service-consumer - 1.0.0.SNAPSHOT | Service
>> bound:
>> null
>>
>> After this there comes an endless stream of error messages. There are
>> printed out in rapid succession (as one can see from the timestamps):
>>
>> 2015-02-11 22:04:16,128 | ERROR | l-11-thread-3883 |
>> EventDispatchTask | 136 - org.apache.karaf.cellar.core -
>> 3.0.1 | Error while dispatching task
>> org.osgi.service.blueprint.container.ServiceUnavailableException: The
>> Blueprint container is being or has been destroyed:
>> (objectClass=org.apache.karaf.cellar.core.event.EventTransportFactory)
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe.
>> getService(ReferenceRecipe.java:240)[15:org.apache.aries.
>> blueprint.core:1.4.2]
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe.
>> access$000(ReferenceRecipe.java:55)[15:org.apache.aries.
>> blueprint.core:1.4.2]
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe$
>> ServiceDispatcher.call(ReferenceRecipe.java:298)[15:
>> org.apache.aries.blueprint.core:1.4.2]
>> at Proxya79ac39f_dd86_4bde_a6ae_4820e8b9aafc.getEventProducer(
>> Unknown
>> Source)[:]
>> at
>> org.apache.karaf.cellar.dosgi.RemoteServiceCallHandler.handle(
>> RemoteServiceCallHandler.java:99)[143:org.apache.karaf.
>> cellar.dosgi:3.0.1]
>> at
>> org.apache.karaf.cellar.dosgi.RemoteServiceCallHandler.handle(
>> RemoteServiceCallHandler.java:37)[143:org.apache.karaf.
>> cellar.dosgi:3.0.1]
>> at Proxy5b93b380_11e9_4f88_8322_dc1803383205.handle(Unknown
>> Source)[:]
>> at Proxycafc2557_966f_4434_98f6_44d1b9cf232f.handle(Unknown
>> Source)[:]
>> at
>> org.apache.karaf.cellar.core.event.EventDispatchTask.run(
>> EventDispatchTask.java:57)[136:org.apache.karaf.cellar.core:3.0.1]
>> at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(
>> ThreadPoolExecutor.java:1142)[:1.8.0_25]
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(
>> ThreadPoolExecutor.java:617)[:1.8.0_25]
>> at java.lang.Thread.run(Thread.java:745)[:1.8.0_25]
>> 2015-02-11 22:04:16,132 | ERROR | l-11-thread-3897 |
>> EventDispatchTask | 136 - org.apache.karaf.cellar.core -
>> 3.0.1 | Error while dispatching task
>> org.osgi.service.blueprint.container.ServiceUnavailableException: The
>> Blueprint container is being or has been destroyed:
>> (objectClass=org.apache.karaf.cellar.core.event.EventTransportFactory)
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe.
>> getService(ReferenceRecipe.java:240)[15:org.apache.aries.
>> blueprint.core:1.4.2]
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe.
>> access$000(ReferenceRecipe.java:55)[15:org.apache.aries.
>> blueprint.core:1.4.2]
>> at
>> org.apache.aries.blueprint.container.ReferenceRecipe$
>> ServiceDispatcher.call(ReferenceRecipe.java:298)[15:
>> org.apache.aries.blueprint.core:1.4.2]
>> at Proxya79ac39f_dd86_4bde_a6ae_4820e8b9aafc.getEventProducer(
>> Unknown
>> Source)[:]
>> at
>> org.apache.karaf.cellar.dosgi.RemoteServiceCallHandler.handle(
>> RemoteServiceCallHandler.java:99)[143:org.apache.karaf.
>> cellar.dosgi:3.0.1]
>> at
>> org.apache.karaf.cellar.dosgi.RemoteServiceCallHandler.handle(
>> RemoteServiceCallHandler.java:37)[143:org.apache.karaf.
>> cellar.dosgi:3.0.1]
>> at Proxy5b93b380_11e9_4f88_8322_dc1803383205.handle(Unknown
>> Source)[:]
>> at Proxycafc2557_966f_4434_98f6_44d1b9cf232f.handle(Unknown
>> Source)[:]
>> at
>> org.apache.karaf.cellar.core.event.EventDispatchTask.run(
>> EventDispatchTask.java:57)[136:org.apache.karaf.cellar.core:3.0.1]
>> at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(
>> ThreadPoolExecutor.java:1142)[:1.8.0_25]
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(
>> ThreadPoolExecutor.java:617)[:1.8.0_25]
>> at java.lang.Thread.run(Thread.java:745)[:1.8.0_25]
>> 2015-02-11 22:04:16,129 | ERROR | l-11-thread-3881 |
>> EventDispatchTask | 136 - org.apache.karaf.cellar.core -
>> 3.0.1 | Error while dispatching task
>>
>> Is there some error in my setup? On thing that seemed odd was that when I
>> list all dosgi services using cluster:services-list, I see not only the
>> MyRemoteService but also an iPojo service...
>>
>>
> --
> Jean-Baptiste Onofré
> jbono...@apache.org
> http://blog.nanthrax.net
> Talend - http://www.talend.com
>
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