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net/http: ServeFile doesn't work for streaming videos anymore #5612

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gopherbot opened this issue Jun 2, 2013 · 3 comments
Closed

net/http: ServeFile doesn't work for streaming videos anymore #5612

gopherbot opened this issue Jun 2, 2013 · 3 comments
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@gopherbot
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by philipp.hatt:

I'm running go1.1 on linux/amd64, this used to work with go1.0

It seems that range queries are causing problems, most of the ranges don't seem to work.
Put differently, it only works if the range is the full file.

The file size is 1'503'410'669 bytes.

These ranges are working
Range: bytes=0- 
Range: bytes=0-1503410669
Range: bytes=0-1503410668

Any smaller ones are failing
Range: bytes=0-1503410667 // skips only last byte
Range: bytes=1503410614- // last 55 bytes

By not working it means that
a) the browser just won't play the file
b) wget keeps retrying:

> wget -S --header="Range: bytes=0-1503410667" debdev:9000/filehash/dedc
--2013-06-02 09:56:41--  http://debdev:9000/filehash/dedc
Resolving debdev (debdev)... 127.0.1.1
Connecting to debdev (debdev)|127.0.1.1|:9000... connected.
HTTP request sent, awaiting response...
  HTTP/1.1 206 Partial Content
  Accept-Ranges: bytes
  Cache-Control: no-cache
  Content-Length: 1503410668
  Content-Range: bytes 0-1503410667/1503410669
  Content-Type: video/mp4
  Last-Modified: Sun, 24 Feb 2013 17:03:54 GMT
  Date: Sun, 02 Jun 2013 07:56:41 GMT
Retrying.

--2013-06-02 09:56:42--  (try: 2)  http://debdev:9000/filehash/dedc
Connecting to debdev (debdev)|127.0.1.1|:9000... connected.
HTTP request sent, awaiting response...
  HTTP/1.1 206 Partial Content
  Accept-Ranges: bytes
  Cache-Control: no-cache
  Content-Length: 1503410668
  Content-Range: bytes 0-1503410667/1503410669
  Content-Type: video/mp4
  Last-Modified: Sun, 24 Feb 2013 17:03:54 GMT
  Date: Sun, 02 Jun 2013 07:56:42 GMT
Retrying.
@bradfitz
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bradfitz commented Jun 3, 2013

Comment 1:

I can't think of any changes in Go 1.1 that should affect this.
Can you reply with a self-contained, minimal example of code which works differently
between Go 1.0 and Go 1.1?

Labels changed: removed priority-triage.

Owner changed to @bradfitz.

Status changed to WaitingForReply.

@gopherbot
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Comment 3 by philipp.hatt:

Looks like I've been jumping to conclusions. Using curl instead of wget seems to work,
also by creating that sample I noticed that it must be something else that's problematic.
Sorry for the false alarm.

@bradfitz
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bradfitz commented Jun 4, 2013

Comment 4:

Status changed to Retracted.

@golang golang locked and limited conversation to collaborators Jun 24, 2016
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@bradfitz @gopherbot