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Mystery gzip page download bug
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Description

Author: mburns_08109

Description:
In recent weeks, I've encountered several different Wikipedia.org page search results with links to an article I'm interested in perusing, but the links fail to work at all in Internet Explorer (6 or 7).
When the link is clicked on, IE responds as if it has no idea what to do with the link, and asks if I wis to save the output to a file.

Is there something generically amiss happening with Wikipedia.org these days?

I have just experienced this again after attempting to search for the Wikipedia.org article on "dengue fever".
it matters not whether the link is obtained via google search results, IE search results, or from the Wikipedia.org search box itself.
In all cases I get the popup window entitled "File Download - Security Warning"
which will ask "Do you want to save this file?"
with the following info displayed:
<quote>
Name: Dengue_fever
Type: unknown File Type, 31.1 KB
From: en.wikipedia.org
</quote>
[Save] [Cancel]

...what gives? Is the link missing an extension or something?
...or are my IE installations missing a configuration option...?

I have seen this same thing on multiple computers and with different versions of IE.


Version: unspecified
Severity: enhancement
OS: Windows XP
Platform: PC

Details

Reference
bz15457

Event Timeline

bzimport raised the priority of this task from to Medium.Nov 21 2014, 10:19 PM
bzimport set Reference to bz15457.
bzimport added a subscriber: Unknown Object (MLST).

Might be a couple more of these entries floating around, should be consolidated.

Basic summary:

  • Sometimes a page gets stuck in the proxy caches that's gzipped but not marked as gzipped. Browsers pulling the cached page get confused and offer to download the file instead of viewing it.
  • Purging the page (edit or action=purge) eliminates the broken item.

We see reports from IE users usually, though this isn't necessarily a universal and may just be due to greater usage.

  • Bug 16787 has been marked as a duplicate of this bug. ***
  • This bug has been marked as a duplicate of bug 7098 ***