Paolo Antinori created ARIES-1732:
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             Summary: blueprint-cm - race condition
                 Key: ARIES-1732
                 URL: https://issues.apache.org/jira/browse/ARIES-1732
             Project: Aries
          Issue Type: Bug
          Components: Blueprint
            Reporter: Paolo Antinori


There is a possible race condition in 
`org.apache.aries.blueprint.compendium.cm.CmPropertyPlaceholder` and 
`org.apache.aries.blueprint.compendium.cm.ManagedObjectManager`

There are situations where `ConfigAdmin` service might not be available and 
returns `null` when queried for the initial `config`.
In other cases instead, `CmPropertyPlaceholder` receives updates from 
`ConfigAdmin` thread even before it has completed it's initialization.

The code doesn't discriminate if `config` is `null` or not, and treats any 
value as valid, marking `CmPropertyPlaceholder` instance as initialized.

This leads to spotty errors.

The suggested fix, that simply prevents that `update(null)` invocation mark the 
`CmPropertyPlaceholder` instance as initialized, addresses the issue.



Code here:
https://github.com/apache/aries/compare/trunk...paoloantinori:ENTESB-7141?expand=1



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