Home » Eclipse Projects » Equinox » Dynamically extendable Equinox application(How to develop a dynamically extendable Equinox application)
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Re: Dynamically extendable Equinox application [message #792299 is a reply to message #785710] |
Mon, 06 February 2012 21:22 |
Csaba Missing name Messages: 16 Registered: July 2009 |
Junior Member |
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Hello Guys,
Trying again...
I have an Equinox OSGi application using Declarative Services with 3 plugins:
-a service interface plugin
-a service provider component
-a service consumer component (cardinality: 0..n, policy: dynamic)
Framework is launched.
id State Bundle
0 ACTIVE org.eclipse.osgi_3.8.0.v20110908-1857
3 ACTIVE osgi.example.service.consumer_1.0.0.qualifier
4 ACTIVE org.eclipse.osgi.services_3.3.0.v20110711-1243
5 ACTIVE org.eclipse.equinox.util_1.0.300.v20110502
6 ACTIVE org.eclipse.equinox.ds_1.3.100.v20110705
10 ACTIVE osgi.example.service_interface_1.0.0.qualifier
11 ACTIVE osgi.example.service.implementation_1.0.0.qualifier
In case the application is launched, the service consumer is triggered.
But in case the service provider is installed and started only after the application has launched, SCR fails to load service implementation class. See exception stack below!
What is the problem with this runtime/post-application deployment of the service component?
Many thanks, Csaba.
Framework is launched.
id State Bundle
0 ACTIVE org.eclipse.osgi_3.8.0.v20110908-1857
3 ACTIVE osgi.example.service.consumer_1.0.0.qualifier
4 ACTIVE org.eclipse.osgi.services_3.3.0.v20110711-1243
5 ACTIVE org.eclipse.equinox.util_1.0.300.v20110502
6 ACTIVE org.eclipse.equinox.ds_1.3.100.v20110705
10 ACTIVE osgi.example.service_interface_1.0.0.qualifier
osgi> install file:/home/csaba/eclipse_distros/Indigo/workspace/osgi.example.service.implementation
Bundle id is 11.
id State Bundle
11 INSTALLED osgi.example.service.implementation_1.0.0.qualifier
osgi> start 11
Here SCR throws an exception:
!SESSION 2012-02-06 21:01:12.378 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.6.0_20
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Command-line arguments: -dev file:/home/csaba/eclipse_distros/Indigo/workspace/.metadata/.plugins/org.eclipse.pde.core/New_configuration (1)/dev.properties -os linux -ws gtk -arch x86 -consoleLog -console -consolelog
!ENTRY org.eclipse.equinox.ds 4 0 2012-02-06 21:03:11.214
!MESSAGE Exception occurred while creating new instance of component Component[
name = osgi.example.service.implementation
activate = activate
deactivate = deactivate
modified =
configuration-policy = optional
factory = null
autoenable = true
immediate = false
implementation = osgi.example.service.implementation.ServiceImpl
state = Unsatisfied
properties =
serviceFactory = false
serviceInterface = [osgi.example.service_interface.Service]
references = null
located in bundle = osgi.example.service.implementation_1.0.0.qualifier [13]
]
!STACK 0
java.lang.ClassNotFoundException: osgi.example.service.implementation.ServiceImpl
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
at org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
at org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
at org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
at org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
at org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
!ENTRY org.eclipse.equinox.ds 4 0 2012-02-06 21:03:11.216
!MESSAGE Exception occurred while creating new instance of component Component[
name = osgi.example.service.implementation
activate = activate
deactivate = deactivate
modified =
configuration-policy = optional
factory = null
autoenable = true
immediate = false
implementation = osgi.example.service.implementation.ServiceImpl
state = Unsatisfied
properties =
serviceFactory = false
serviceInterface = [osgi.example.service_interface.Service]
references = null
located in bundle = osgi.example.service.implementation_1.0.0.qualifier [13]
]
!STACK 0
java.lang.ClassNotFoundException: osgi.example.service.implementation.ServiceImpl
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
at org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
at org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
at org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
at org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
at org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
!ENTRY org.eclipse.osgi 4 0 2012-02-06 21:03:11.220
!MESSAGE An unexpected runtime error has occurred.
!STACK 0
org.osgi.service.component.ComponentException: Exception occurred while creating new instance of component Component[
name = osgi.example.service.implementation
activate = activate
deactivate = deactivate
modified =
configuration-policy = optional
factory = null
autoenable = true
immediate = false
implementation = osgi.example.service.implementation.ServiceImpl
state = Unsatisfied
properties =
serviceFactory = false
serviceInterface = [osgi.example.service_interface.Service]
references = null
located in bundle = osgi.example.service.implementation_1.0.0.qualifier [13]
]
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:482)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
at org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
at org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
at org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
at org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
at org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
Caused by: java.lang.ClassNotFoundException: osgi.example.service.implementation.ServiceImpl
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
... 34 more
!ENTRY osgi.example.service.implementation 4 0 2012-02-06 21:03:11.223
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.ServiceException: Exception in org.eclipse.equinox.internal.ds.ServiceReg.getService()
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:151)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
at org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
at org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
at org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
at org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
Caused by: org.osgi.service.component.ComponentException: Exception occurred while creating new instance of component Component[
name = osgi.example.service.implementation
activate = activate
deactivate = deactivate
modified =
configuration-policy = optional
factory = null
autoenable = true
immediate = false
implementation = osgi.example.service.implementation.ServiceImpl
state = Unsatisfied
properties =
serviceFactory = false
serviceInterface = [osgi.example.service_interface.Service]
references = null
located in bundle = osgi.example.service.implementation_1.0.0.qualifier [13]
]
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:482)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
at org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
... 27 more
Caused by: java.lang.ClassNotFoundException: osgi.example.service.implementation.ServiceImpl
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
... 34 more
!ENTRY osgi.example.service.consumer 2 0 2012-02-06 21:03:11.228
!MESSAGE [SCR] Could not get the service object relevant to the reference. One possible reason is a circularity problem. Another possible reason is that BundleContext.getService() returns null.
Details:
Problematic reference = Reference[name = Service, interface = osgi.example.service_interface.Service, policy = dynamic, cardinality = 0..n, target = null, bind = setService, unbind = unsetService]
of service component = osgi.example.service.consumer
component implementation class = osgi.example.service.consumer.ServiceConsumer
located in bundle with symbolic name = osgi.example.service.consumer
bundle location = initial@reference:file:../../../../osgi.example.service.consumer/
!ENTRY osgi.example.service.consumer 2 0 2012-02-06 21:03:11.229
!MESSAGE [SCR] ComponentReference.bind(): bind method 'setService' is not found or it is not accessible!
Details:
Problematic reference = Reference[name = Service, interface = osgi.example.service_interface.Service, policy = dynamic, cardinality = 0..n, target = null, bind = setService, unbind = unsetService]
of service component = osgi.example.service.consumer
component implementation class = osgi.example.service.consumer.ServiceConsumer
located in bundle with symbolic name = osgi.example.service.consumer
bundle location = initial@reference:file:../../../../osgi.example.service.consumer/
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Re: Dynamically extendable Equinox application [message #794411 is a reply to message #792299] |
Thu, 09 February 2012 08:51 |
Ivan Larionov Messages: 37 Registered: July 2009 |
Member |
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Hi,
As it is just an example that you are evaluating, you could probably
attach the source code of the plug-ins.
On 06.02.2012 23:22, Csaba Mising name wrote:
> Hello Guys,
>
> Trying again...
>
> I have an Equinox OSGi application using Declarative Services with 3
> plugins:
> -a service interface plugin
> -a service provider component
> -a service consumer component (cardinality: 0..n, policy: dynamic)
>
> Framework is launched.
> id State Bundle
> 0 ACTIVE org.eclipse.osgi_3.8.0.v20110908-1857
> 3 ACTIVE osgi.example.service.consumer_1.0.0.qualifier
> 4 ACTIVE org.eclipse.osgi.services_3.3.0.v20110711-1243
> 5 ACTIVE org.eclipse.equinox.util_1.0.300.v20110502
> 6 ACTIVE org.eclipse.equinox.ds_1.3.100.v20110705
> 10 ACTIVE osgi.example.service_interface_1.0.0.qualifier
> 11 ACTIVE osgi.example.service.implementation_1.0.0.qualifier
>
> In case the application is launched, the service consumer is triggered.
>
> But in case the service provider is installed and started only after the
> application has launched, SCR fails to load service implementation
> class. See exception stack below!
>
> What is the problem with this runtime/post-application deployment of the
> service component?
>
> Many thanks, Csaba.
>
> Framework is launched.
> id State Bundle
> 0 ACTIVE org.eclipse.osgi_3.8.0.v20110908-1857
> 3 ACTIVE osgi.example.service.consumer_1.0.0.qualifier
> 4 ACTIVE org.eclipse.osgi.services_3.3.0.v20110711-1243
> 5 ACTIVE org.eclipse.equinox.util_1.0.300.v20110502
> 6 ACTIVE org.eclipse.equinox.ds_1.3.100.v20110705
> 10 ACTIVE osgi.example.service_interface_1.0.0.qualifier
>
> osgi> install
> file:/home/csaba/eclipse_distros/Indigo/workspace/osgi.example.service.implementation
>
> Bundle id is 11.
>
> id State Bundle
> 11 INSTALLED osgi.example.service.implementation_1.0.0.qualifier
>
> osgi> start 11
>
> Here SCR throws an exception:
>
>
> !SESSION 2012-02-06 21:01:12.378
> -----------------------------------------------
> eclipse.buildId=unknown
> java.version=1.6.0_20
> java.vendor=Sun Microsystems Inc.
> BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
> Command-line arguments: -dev
> file:/home/csaba/eclipse_distros/Indigo/workspace/.metadata/.plugins/org.eclipse.pde.core/New_configuration
> (1)/dev.properties -os linux -ws gtk -arch x86 -consoleLog -console
> -consolelog
>
> !ENTRY org.eclipse.equinox.ds 4 0 2012-02-06 21:03:11.214
> !MESSAGE Exception occurred while creating new instance of component
> Component[
> name = osgi.example.service.implementation
> activate = activate
> deactivate = deactivate
> modified = configuration-policy = optional
> factory = null
> autoenable = true
> immediate = false
> implementation = osgi.example.service.implementation.ServiceImpl
> state = Unsatisfied
> properties = serviceFactory = false
> serviceInterface = [osgi.example.service_interface.Service]
> references = null
> located in bundle = osgi.example.service.implementation_1.0.0.qualifier
> [13]
> ] !STACK 0
> java.lang.ClassNotFoundException:
> osgi.example.service.implementation.ServiceImpl
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
>
> at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> at
> org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
>
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
>
> at
> org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
>
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
>
> at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
> at
> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
>
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
>
> at
> org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
> at
> org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
>
> at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
> at
> org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
>
>
> !ENTRY org.eclipse.equinox.ds 4 0 2012-02-06 21:03:11.216
> !MESSAGE Exception occurred while creating new instance of component
> Component[
> name = osgi.example.service.implementation
> activate = activate
> deactivate = deactivate
> modified = configuration-policy = optional
> factory = null
> autoenable = true
> immediate = false
> implementation = osgi.example.service.implementation.ServiceImpl
> state = Unsatisfied
> properties = serviceFactory = false
> serviceInterface = [osgi.example.service_interface.Service]
> references = null
> located in bundle = osgi.example.service.implementation_1.0.0.qualifier
> [13]
> ] !STACK 0
> java.lang.ClassNotFoundException:
> osgi.example.service.implementation.ServiceImpl
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
>
> at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> at
> org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
>
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
>
> at
> org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
>
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
>
> at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
> at
> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
>
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
>
> at
> org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
> at
> org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
>
> at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
> at
> org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
>
>
> !ENTRY org.eclipse.osgi 4 0 2012-02-06 21:03:11.220
> !MESSAGE An unexpected runtime error has occurred.
> !STACK 0
> org.osgi.service.component.ComponentException: Exception occurred while
> creating new instance of component Component[
> name = osgi.example.service.implementation
> activate = activate
> deactivate = deactivate
> modified = configuration-policy = optional
> factory = null
> autoenable = true
> immediate = false
> implementation = osgi.example.service.implementation.ServiceImpl
> state = Unsatisfied
> properties = serviceFactory = false
> serviceInterface = [osgi.example.service_interface.Service]
> references = null
> located in bundle = osgi.example.service.implementation_1.0.0.qualifier
> [13]
> ] at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:482)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
>
> at
> org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
>
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
>
> at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
> at
> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
>
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
>
> at
> org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
> at
> org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
>
> at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
> at
> org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
>
> Caused by: java.lang.ClassNotFoundException:
> osgi.example.service.implementation.ServiceImpl
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
>
> at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> at
> org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
>
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
>
> ... 34 more
>
> !ENTRY osgi.example.service.implementation 4 0 2012-02-06 21:03:11.223
> !MESSAGE FrameworkEvent ERROR
> !STACK 0
> org.osgi.framework.ServiceException: Exception in
> org.eclipse.equinox.internal.ds.ServiceReg.getService()
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:151)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
>
> at
> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:441)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
>
> at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
> at
> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
>
> at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.registerService(InstanceProcess.java:504)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:259)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
>
> at
> org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
>
> at
> org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
> at
> org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
>
> at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
> at
> org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
>
> Caused by: org.osgi.service.component.ComponentException: Exception
> occurred while creating new instance of component Component[
> name = osgi.example.service.implementation
> activate = activate
> deactivate = deactivate
> modified = configuration-policy = optional
> factory = null
> autoenable = true
> immediate = false
> implementation = osgi.example.service.implementation.ServiceImpl
> state = Unsatisfied
> properties = serviceFactory = false
> serviceInterface = [osgi.example.service_interface.Service]
> references = null
> located in bundle = osgi.example.service.implementation_1.0.0.qualifier
> [13]
> ] at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:482)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.createInstance(ServiceComponentProp.java:271)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:332)
>
> at
> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
>
> at
> org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:141)
>
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:139)
>
> ... 27 more
> Caused by: java.lang.ClassNotFoundException:
> osgi.example.service.implementation.ServiceImpl
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
>
> at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
> at
> org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
>
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
>
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1208)
>
> at
> org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceComponent.java:480)
>
> ... 34 more
>
> !ENTRY osgi.example.service.consumer 2 0 2012-02-06 21:03:11.228
> !MESSAGE [SCR] Could not get the service object relevant to the
> reference. One possible reason is a circularity problem. Another
> possible reason is that BundleContext.getService() returns null.
> Details:
> Problematic reference = Reference[name = Service, interface =
> osgi.example.service_interface.Service, policy = dynamic, cardinality =
> 0..n, target = null, bind = setService, unbind = unsetService]
> of service component = osgi.example.service.consumer
> component implementation class =
> osgi.example.service.consumer.ServiceConsumer
> located in bundle with symbolic name = osgi.example.service.consumer
> bundle location =
> initial@reference:file:../../../../osgi.example.service.consumer/
>
> !ENTRY osgi.example.service.consumer 2 0 2012-02-06 21:03:11.229
> !MESSAGE [SCR] ComponentReference.bind(): bind method 'setService' is
> not found or it is not accessible!
> Details:
> Problematic reference = Reference[name = Service, interface =
> osgi.example.service_interface.Service, policy = dynamic, cardinality =
> 0..n, target = null, bind = setService, unbind = unsetService]
> of service component = osgi.example.service.consumer
> component implementation class =
> osgi.example.service.consumer.ServiceConsumer
> located in bundle with symbolic name = osgi.example.service.consumer
> bundle location =
> initial@reference:file:../../../../osgi.example.service.consumer/
>
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