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https://issues.apache.org/jira/browse/TS-2577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14005440#comment-14005440
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ASF subversion and git services commented on TS-2577:
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Commit 9c48c936557ca60a66c2842a851676602ce1138e in trafficserver's branch
refs/heads/master from [~maskit]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=9c48c93 ]
[TS-2577] Tracing on e.g. -T http_hdrs does not show Proxy Request
headers accurately
> Tracing on e.g. -T http_hdrs does not show Proxy Request headers accurately
> ---------------------------------------------------------------------------
>
> Key: TS-2577
> URL: https://issues.apache.org/jira/browse/TS-2577
> Project: Traffic Server
> Issue Type: Bug
> Reporter: Leif Hedstrom
> Assignee: Leif Hedstrom
> Labels: review
> Fix For: 5.0.0
>
> Attachments: quickfix.patch
>
>
> In particular, if a plugin changes some proxy request headers in a
> TS_HTTP_SEND_REQUEST_HDR_HOOK, the tracer will show the header as it was
> *before* the plugin hooks are invoked.
> This seems wrong, and makes it difficult to debug plugin behavior. It should
> clearly produce the header output *after* the plugin hook. In my case, the
> produced output from -T http_hdrs is
> {code}
> +++++++++ Proxy's Request +++++++++
> -- State Machine Id: 0
> GET /foo/bar.jpg HTTP/1.1
> User-Agent: curl/7.32.0
> Accept: */*
> Host: host.example.com
> Client-ip: 127.0.0.1
> X-Forwarded-For: 127.0.0.1
> {code}
> However, my plugin is injecting both a Date: and an Authorization: header in
> a TS_HTTP_SEND_REQUEST_HDR_HOOK hook, which the origin does get. In the
> tracer, a later header dump shows the expected header, but it's not
> particularly sensical that it is shown after the request and origin response.
> {code}
> +++++++++ Cached Request Hdr +++++++++
> -- State Machine Id: 0
> GET http://host.example.com/foo/bar.jpg HTTP/1.1
> User-Agent: curl/7.32.0
> Accept: */*
> Host: host.example.com
> Client-ip: 127.0.0.1
> X-Forwarded-For: 127.0.0.1
> Date: Wed, 19 Feb 2014 21:17:29 +0000
> Authorization: AWS my-key:xxxxxxxxxxxxxxxxxxxx=
> {code}
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