[Framework] Locking could be used to prevent concurrent access to a single 
bundle cache
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                 Key: FELIX-2646
                 URL: https://issues.apache.org/jira/browse/FELIX-2646
             Project: Felix
          Issue Type: New Feature
          Components: Framework
    Affects Versions: framework-3.0.4
            Reporter: Richard S. Hall
            Priority: Minor
             Fix For: framework-3.2.0


Currently, the framework completely ignores concurrent access to the same 
bundle cache and leaves it as a configuration issue. The downside of this 
approach is that a mistaken configuration could corrupt your bundle cache. We 
could avoid this by introducing some sort of bundle cache locking protocol 
using java.nio.channels.FileLock. I think it would be sufficient to simply 
implement a fail-fast locking protocol.

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