[jira] Commented: (FELIX-339) Ensure bundle identifiers never get reused

["Richard S. Hall (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FELIX-339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12520364 ] 

Richard S. Hall commented on FELIX-339:
---------------------------------------

I have a patch nearly ready for this.

> Ensure bundle identifiers never get reused
> ------------------------------------------
>
>                 Key: FELIX-339
>                 URL: https://issues.apache.org/jira/browse/FELIX-339
>             Project: Felix
>          Issue Type: Improvement
>          Components: Framework
>    Affects Versions: 1.0.0
>            Reporter: Marcel Offermans
>            Assignee: Richard S. Hall
>
> The spec states about a Bundle Identifier (see 4.3.1 of the core spec): A long that is a Framework assigned unique identifier 
> for the full lifetime of a bundle, even if it is updated or the Framework is restarted. Its purpose is to distinguish bundles in a Framework. Bundle identifiers are assigned in ascending order to bundles when they are installed. The method getBundleId() returns a bundle's identifier.
> Currently, there is a scenario in which an identifier might get reused. For example, say you install three bundles, they will get ID's 1, 2 and 3. You then uninstall bundle 3 and subsequently stop the framework. After a restart, you install another bundle. It will then also get an ID of 3. The reason for this is that Felix currently does not persist the highest ID it has used.
> The solution would be to persist this identifier. If somehow this persisted value gets corrupted, the framework should log at least a warning and could then use the same scheme it uses now to at least make an educated guess about the highest used number. A human might want to check out such a warning though.

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