[TS-2166] Response header to ua has two "Content-Range" field

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.2.4, 4.2.0
• Fix Version/s: 7.2.0
• Component/s: HTTP
• Assignee: Alan M. Carroll
• Reporter: portl4t
• Created: 30/Aug/13 00:53
• Updated: 15/Aug/16 22:52

Description

Follow these steps to reproduce:

1. TrafficServer cache a document which has "Etag" field in response header
2. The document expires.
3. UA sends request with "Range" field to this document.
4. TrafficServer sends request with IMS field to origin server to revalidate this document
5. Origin Server sends response which has 304 code and "Content-Range" field to TrafficServer
6. TrafficServer will generate another "Content-Range" field in RangeTransform.

HTTP/1.1 206 Partial Content
Date: Thu, 29 Aug 2013 03:09:05 GMT
Content-Type: application/octet-stream
Cache-Control: public
Content-Disposition: attachment;
Content-Encoding: utf-8
ETag: "F68ADB16DB4F1EF87D93D665CC1FFF54"
Expires: Tue,13 August 2013 07:04:10 GMT
Last-Modified: Tue, 13 Aug 2013 07:04:14 GMT
Server: ATS/3.2.0
x-oss-request-id: 521EBB51E369AA445D2F48B9
Accept-Ranges: bytes
Content-Range: bytes 0-4243537/4243538
Content-Range: bytes 0-4243537/4243538
Content-Length: 4243538
Age: 0
Via: http/1.1 l2cn202 (ATS [cSsNfU])

Issue Links

• depends upon: TS-974 TS should have a mode to hold partial objects in cache
• relates to: TS-1106 Redirect map generates multiple Via: header entries