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https://issues.apache.org/jira/browse/FELIX-4427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13903945#comment-13903945
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Felix Meschberger commented on FELIX-4427:
------------------------------------------
Fixed the exports in Rev. 1569268:
* Removed Http Service, ext Http Service and Servlet API exports from Jetty
bundle
* Added OSGi Http Service export to API bundle
* API bundle depends on Servlet API 2.3 which was the first to provide Filter
and imports servlet API at [2.3,4) to support all servlet API which we
currently assume compatible.
> Create separate API bundle
> --------------------------
>
> Key: FELIX-4427
> URL: https://issues.apache.org/jira/browse/FELIX-4427
> Project: Felix
> Issue Type: Bug
> Components: HTTP Service
> Affects Versions: http-2.2.1
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
>
> Currently the Servlet API is exported from the Http Service Bundle bundle and
> the Jetty bundle.
> In a typical web application a large number of bundles will typically wire to
> the Servlet API and to the Http Service API. To detach the application from
> the Http Service implementation, if would be usefull to have the APIs fully
> detached from the implementations.
> As such, I suggest we do not export the Servlet API from the Jetty bundle but
> expect the Servlet API to be exported from somewhere else.
> As the Http Service Bundle bundle is a convenience all-in-one bundle, it does
> not hurt for this bundle to export the API.
> To help solve the versioning problem, I actually think we should create our
> own Servlet API bundle. The versioning problem is that the Servlet API 3.0
> spec is actually backwards compatible with Servlet 2.5 but chose to upgrade
> the specification major version. Unfortunately that does not play well with
> semantic versioning when applying the specification version to the API
> exports (as is customarily but wrongly done).
> So, our bundle should:
> - be based on the Tomcat Servlet API library (since this is ASL2 licensed and
> can easily be included)
> - export Servlet API at version 2.6 (which is a custom compromise) as well as
> version 3.0
> - also Provide-Capability for the Servlet API capability
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