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https://issues.apache.org/jira/browse/TS-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13681836#comment-13681836
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Alan M. Carroll commented on TS-1776:
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My view at this point is that range transforms never worked in 3.2.x. This was
masked in earlier releases because of the range acceleration, but when that was
disabled this problem became apparent. The key change seems to be the handling
of the headers. In 3.0.x this was done in the RangeTransform methods, when the
RangeTransform fired up. For 3.2.x it was moved out to HttpTransact.cc. The
logic to invoke it was placed under a check for t_state.source == SOURCE_CACHE
but! when doing a range transform the source is SOURCE_TRANSFORM so the header
tweaking doesn't happen. See HttpTransact::handle_content_length_header and
it's call to change_response_header_because_of_range_request for an example.
I'm not sure what to do, perhaps check on pre_transform_source as well. We need
to be careful to only do this for range transforms, which are special, compared
to other transforms (especially plugin based transforms).
> Range requests not working right in 3.2.4
> -----------------------------------------
>
> Key: TS-1776
> URL: https://issues.apache.org/jira/browse/TS-1776
> Project: Traffic Server
> Issue Type: Bug
> Components: HTTP
> Affects Versions: 3.2.4
> Reporter: William Bardwell
> Assignee: William Bardwell
> Priority: Blocker
> Fix For: 3.2.5
>
>
> With the patch in 3.2.4 for TS-1575 that tries to turn off the new range
> code, range requests aren't work right for me. The responses have all of the
> multi-part header markings, but the Content-Length and Content-Range headers
> should be used for single range requests. Also when I do a range that starts
> > 0, the content is wrong.
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