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Using Ubuntu One's Cloud API, I try to download only the first 144 bytes of a file, using the Range: bytes=0-143 directive in the HTTP header of my request.

As a response, I receive the following HTTP header (along with the status code 206, aka "Partial content"):

Content-Disposition: inline; filename=blah.txt
Date: Mon, 21 Jan 2013 23:30:06 GMT
X-Bzr-Revision-Number: 6696
Etag: "sha1:7f96fcfa002cf5791c976c46aaf733dc523d9041;gzip"
Content-Range: bytes 0-143/3909
Via: 1.0 (squid/2.7.STABLE7) 1.1
Content-Type: application/octet-stream
Vary: Accept-Encoding,Cookie
X-Cache: MISS from
Set-Cookie: sessionid=...;; httponly; Path=/; secure
Server: TwistedWeb/10.0.0
Last-Modified: Mon, 21 Jan 2013 23:17:05 GMT

So apparently, according to the header I receive, I am being given 144 bytes, those which I requested. However, the body is empty. Note also that Content-Length is not present in the header of the response...

Is the response header from Ubuntu One deceiving me, and the server doesn't really support the Range directive?

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closed as off topic by dobey, Ringtail, Eric Carvalho, Eliah Kagan, hhlp Jan 23 '13 at 11:17

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

Since this is a bug, it probably be closed as off-topic, in accordance with the FAQ and this policy. – Eliah Kagan Jan 23 '13 at 9:00
up vote 0 down vote accepted

A bug was opened at to track this. Will be following up there.

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