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From "Pierre De Rop (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FELIX-3661) Scr sometimes does not invoke Reference bind method
Date Tue, 11 Sep 2012 21:34:07 GMT
Pierre De Rop created FELIX-3661:
------------------------------------

             Summary: Scr sometimes does not invoke Reference bind method
                 Key: FELIX-3661
                 URL: https://issues.apache.org/jira/browse/FELIX-3661
             Project: Felix
          Issue Type: Bug
          Components: Declarative Services (SCR)
            Reporter: Pierre De Rop


With scr from trunk: sometimes, a satisfied Reference bind method is not invoked.
I'm not sure, but this might be related to the FELIX-3659 issue and/or when Reference types
are org.osgi.service.ComponentFactory types.

The use case is the following:

- I have a DS component (name="agent"), which depends on the CompositeFactory service (ref
is dynamic, optional, cardinality=0..N).
- the "agent" component is started (at this point), the CompositeFactory is not yet available
- next, the implementation bundle for the CompositeFactory service starts and registers the
service, using bundleContext.registerService.
- but the "agent" component is not invoked in its bindCompositeFactory(CompositeFactory) method.

I have attached a logfile which illustrates the problem.

1) Line 8491: the '"agent" component is being created, and some bind method are successfully
invoked, except the "bindCompositeFactory" method (but this is normal since the service is
optional, and not yet available):

2012-09-11 23:09:21,147 ProxyAppReporter-FastCacheListener DEBUG osgi  - [agent] For dependency
loggerRepository, optional: false; to bind: {[org.apache.log4j.spi.LoggerRepository]=org.apache.felix.scr.impl.manager.AbstractComponentManager$RefPair@1b7a875}
2012-09-11 23:09:21,147 ProxyAppReporter-FastCacheListener DEBUG osgi  - [agent] invoking
bind: bindLoggerRepository
2012-09-11 23:09:21,147 ProxyAppReporter-FastCacheListener DEBUG osgi  - [agent] For dependency
compositeFactory, optional: true; to bind: {}

(here the bind for loggerRepository is invoked, but not for compositeFactory ... normal behavior
for now.

2) at line 8644, the CompositeFactory service is being registered, but we see the "component
not yet created, assuming bind method call succeeded" log and the bindCompositeFactory method
on the "agent" component is not invoked. 

However, another "com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand"
DS component is succesfully bound with the CompositeFactory, but this component depends on
the CompositeService, using a ServiceReference type, instead of the actual CompositeFactory
type, in the bind method signature ...

2012-09-11 23:09:21,222 ProxyAppReporter-FastCacheListener WARN  com.alcatel_lucent.as.service.composite.impl.CompositeFactoryImpl
 - Registering CompositeFactory ...
2012-09-11 23:09:21,222 ProxyAppReporter-FastCacheListener DEBUG osgi  - [agent] Dependency
Manager: Adding Service com.alcatel_lucent.as.service.composite.CompositeFactory/565
2012-09-11 23:09:21,222 ProxyAppReporter-FastCacheListener DEBUG osgi  - [agent] DependencyManager
: component not yet created, assuming bind method call succeeded
2012-09-11 23:09:21,223 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.GogoCompositeCommand]
Dependency Manager: Adding Service com.alcatel_lucent.as.service.composite.CompositeFactory/565
2012-09-11 23:09:21,223 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.GogoCompositeCommand]
DependencyManager : component not yet created, assuming bind method call succeeded
2012-09-11 23:09:21,223 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
Dependency Manager: Adding Service com.alcatel_lucent.as.service.composite.CompositeFactory/565
2012-09-11 23:09:21,223 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
getting bind: bindCompositeFactory
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
Locating method bindCompositeFactory in class com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
doFindMethod: Looking for method com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand.bindCompositeFactory
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
doFindMethod: Found Method public void com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand.bindCompositeFactory(org.osgi.framework.ServiceReference)
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
Found bind method: public void com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand.bindCompositeFactory(org.osgi.framework.ServiceReference)
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener DEBUG osgi  - [com.alcatel_lucent.as.service.composite.impl.shell.FelixCompositeCommand]
invoking bind: bindCompositeFactory
2012-09-11 23:09:21,224 ProxyAppReporter-FastCacheListener INFO  osgi.event.service  - Service
registered by bundle com.alcatel_lucent.as.service.composite.impl(1.1100.01)
 {objectClass=[com.alcatel_lucent.as.service.composite.CompositeFactory],service.id=565}

Hope that the log file will be enough to understand the issue ?

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