Hi Jason,
The situation is the following:
SCR (the Declarative Services Runtime) activates a component and
registers a ManagedService on behalf of the component. When the
configuration admin services sees this ManagedService it has to provide
the ManagedService with configuration (if existing) or null (if not
existing).
If the configuration is hitting the ManagedService SCR has to restart
the component to provide the new configuration to the component. Even in
the case there is no configuration at all. The configuration the
component is receiving is merged from the configuration admin
configuration and the properties from the service decalaration and a
number of predefined configuration values.
No, the problem is probably a "first" start situation, where the
configuration admin has to provide a ManagedService with the information
that there is no configuration at all. In this situation the SCR might
be more intelligent and just not forward this event. In the case of the
Configuration Admin really providing configuration data, we of course
have to reactivate the component to provide the configuration.
Hope this helps.
Regards
Felix
Burmeister, Jason schrieb:
We are using Declarative Services.
When we start up Felix it activates our bundle but then the bundle
immediately deactivates and activates again. It appears that the
ConfigAdmin service has detected a change in the configuration causing
the bundle to reactivate. It also appears that ConfigAdmin might be
creating a default configuration for each bundle consisting of the
service.pid and some other stuff. In simple test cases the behavior is
inconsistent. Maybe there is a race condition where activate() is
called before the configuration update.
We get the following debug message:
"Deactivating and Activating to reconfigure from configuration"
Should the bundle reactivate when no configuration is supplied and a
default configuration is created?
Thanks
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