Jens Offenbach created FELIX-4698:
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Summary: SynchronousConfigurationListener
Key: FELIX-4698
URL: https://issues.apache.org/jira/browse/FELIX-4698
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-1.8.2
Reporter: Jens Offenbach
When you directly create/update a configuration and delete it right after
creation, the component instance creation of components which preconditions
become fulfilled (using ConfigurationPolicy.REQUIRE) often fails. The reason is
that events from the ConfigurationAdmin are delivered to SCR asynchronously.
This results in the following behavior: SCR receives a configuration update
event and accesses e.g. its properties. The call fails because the
configuration was deleted in the meantime. A solution would be to implement
SynchronousConfigurationListener in the class CongurationSupport instead of
ConfigurationListener. That forces the ConfigurationAdmin to deliver the update
events before someone can delete the configuration.
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