Always gets a 404 from the VLC Trac, even when said Trac is online

Bug #943261 reported by Graham Binns
12
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Launchpad itself
Fix Released
Critical
Steve Kowalik

Bug Description

Launchpad failed to retrive bug status' from VLC trac, but http://trac.videolan.org/vlc/ is on-line.

Example: https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/844111

Interestingly, trying to re-create the problem on a local LP instance gives us this:

 vlc_trac.getRemoteBug(5446)
 ...
 BugTrackerConnectError: http://trac.videolan.org/vlc: HTTP Error 404: Not Found

Connecting to http://trac.videolan.org/vlc through the browser works fine, so I wonder if there's something going on at the Trac end to prevent Launchpad from connecting.

Related branches

Graham Binns (gmb)
Changed in launchpad:
status: New → Triaged
importance: Undecided → High
Changed in launchpad:
importance: High → Critical
Revision history for this message
Rémi Denis-Courmont (rdenis) wrote :

Hmm, it could be a server-side problem then. Do you have a packet capture dump of a failed HTTP request? Does the same problem occur with secure HTTP?

Revision history for this message
Rémi Denis-Courmont (rdenis) wrote :

FYI, one of the VLC Trac system admin suspects that the Launchpad HTTP fetcher misses the Host header. trac.videolan.org is virtual-hosted, so that would explain the 404 error.

Revision history for this message
Rémi Denis-Courmont (rdenis) wrote :

(It should be easy to confirm or infirm using tcpdump or wireshark)

Curtis Hovey (sinzui)
tags: added: bugtrackers bugwatch
Revision history for this message
Launchpad QA Bot (lpqabot) wrote :
Changed in launchpad:
assignee: nobody → Steve Kowalik (stevenk)
tags: added: qa-needstesting
Changed in launchpad:
status: Triaged → Fix Committed
Revision history for this message
Launchpad QA Bot (lpqabot) wrote :
Steve Kowalik (stevenk)
tags: added: qa-ok
removed: qa-needstesting
Ian Booth (wallyworld)
Changed in launchpad:
status: Fix Committed → Fix Released
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