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https://issues.apache.org/jira/browse/FELIX-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed FELIX-3987.
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> ResourceServlet sets content-length header too late
> ---------------------------------------------------
>
> Key: FELIX-3987
> URL: https://issues.apache.org/jira/browse/FELIX-3987
> Project: Felix
> Issue Type: Bug
> Components: HTTP Service
> Affects Versions: http-2.2.0
> Reporter: Kaspar von Gunten
> Assignee: J.W. Janssen
> Fix For: http-2.2.2
>
> Attachments: ResourceServlet.patch
>
>
> The ResourceServlet.handle(..) implementation sets content-type and
> last-modified headers, then goes on and copies the specified resource's
> content onto the response's output stream. When it is done, it sets the
> content-length header to the # of written bytes.
> This is just wrong, because all headers should be present before content is
> written. The implementation gets away with it, because most content probably
> fits into the internal buffers and content-length is set before flush/close
> is called, but with large content this will cause problems.
> Suggestion: determine content-length in handle (analogous to last-modified)
> BEFORE calling copy(). I attached a suggested patch for the v2.2.0
> ResourceServlet.
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