Last modified: 2007-06-27 03:01:30 UTC

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Bug 317 - Bizarre page blankings
Bizarre page blankings
Status: RESOLVED WORKSFORME
Product: MediaWiki
Classification: Unclassified
Page editing (Other open bugs)
unspecified
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2004-09-03 03:20 UTC by Timwi
Modified: 2007-06-27 03:01 UTC (History)
3 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description Timwi 2004-09-03 03:20:20 UTC
BUG MIGRATED FROM SOURCEFORGE
http://sourceforge.net/tracker/index.php?func=detail&aid=930934&group_id=34373&atid=411192
Originally submitted by Nobody/Anonymous - nobody  2004-04-07 10:52


Unfortunately, I have not been able to consistently 
reproduce this yet. (It seems to only occur when an 
error in submitting is involved, and may also involve 
navigational buttons.) I am using MSIE 6 on Windows 
XP, and basically default Wikipedia user settings.

I have only seen this problem occur twice so far, to my 
knowledge. One time was while editing the article 
http://en.wikipedia.org/wiki/Dead_man's_switch ; I was 
trying to correct a typo, which I marked as a minor edit. 
However, the system rejected it, citing an editing 
conflict. I looked at the history and saw no conflict; the 
last post was made quite some time ago. I forget the 
exact events that followed, but I remember I hit the 
back button on my browser, made my correction again, 
and submitted it, and came across another editing 
conflict; this one was genuine. It turns out I had 
somehow blanked the page, and somebody already 
managed to catch it and revert it (hence the second 
conflict, as at the same time I was trying to get things 
in control). Note that I still saw no conflict in the history 
at the time the first one supposedly happened; only one 
other person had posted an edit. Thus, that problem 
was not simply that my browser wasn't showing any 
edits since I had last seen the page.

The history shows something like this: I made my typo 
correction (NOT marked as a minor edit, but I specifically 
told it to make it one), then I "blanked" the page 
(marked as a minor edit). Note that the blanking has the 
description "typo", which, like the attribution of a minor 
edit, was supposed to be part of the correction, not the 
blanking, which shouldn't be there at all.

The second incident is as follows; I didn't realize this 
happened at all because it corrected itself. I was making 
various edits to the article 
http://en.wikipedia.org/wiki/Prettyprint . The last three 
in the history show me fixing a typo I made (marked as a 
minor edit, and with the description "fixed typo I made"). 
Then the next one shows me blanking the page, which 
again I had no intention of doing, and this is marked as a 
non-minor edit. Then the last "edit" I "made" reverts to 
two edits ago, complete with the same description 
of "fixed typo I made" and marking as a minor edit. I 
seem to recall having gotten an error here, too, so I 
SUSPECT what happened in this case was this:

1. Tried to correct a typo. Marked as a minor edit and 
typed in description.
2. Clicked submit.
3. Got an error message; hit back button on browser. 
The page is blanked without my knowledge <i>after</i> 
having been updated successfully.
4. The text boxes and check boxes still contain my 
changes, so I press submit again. Thus, my edit goes 
through and appears identical to the one I originally 
posted.

Sorry this is has been so long-winded, but I'm really tired 
and am unable to condense my text well. Yet, I feel I 
must report this now lest I forget more details. Sorry for 
the inconvenience. :)

------------------------- Additional comments ------------------------
Date: 2004-04-07 10:58
Sender: SF user furrykef

Sorry, I was the poster of this item. I did try to log in before
writing my post (and thought I succeeded), but somehow I 
wasn't logged in when I actually submitted. SourceForge is 
really quirky for me that way...it's hard for me to stay logged 
in for some reason. Oh, well. :)
-------------------------------------------------
Date: 2004-04-14 12:39
Sender: SF user furrykef

I had this problem again, this time with wikibooks. This almost 
certainly has nothing to do with navigational buttons (I didn't 
use them this time) and everything to do with getting an error 
upon submitting. I don't know why my submission goes 
through and it raises an error anyway, though. The problem 
MIGHT be in MSIE, and/or involve my unreliable 
connection...unfortunately, I don't know how to replicate 
conditions that produce this kind of error.
-------------------------------------------------
Date: 2004-04-14 17:39
Sender: SF user hashar

Just got this trouble on fr.wikipedia.org: 

The blank can be seen at:
http://fr.wikipedia.org/w/wiki.phtml?title=Si%C3%A8ge_d%
27Al%C3%A9sia&diff=0&oldid=372643

I was just previewing a modification (seems to have triggered 
a page save) then saved it with comment "fix". Checking 
history it seems the preview have been save somehow.
Comment 1 Rowan Collins [IMSoP] 2004-10-02 21:43:11 UTC
I strongly suspect this of being another face of bug 275: although that one
describes duplication, and this one blanking, both seem to hinge on some kind of
edit conflict with yourself. In the case of this one, the conflict is clearly
inadvertent - due to some quirk of network or data flow, or just accidental
double-clicking, I'm not sure. I have a feeling this bug may be very hard to
replicate.
Comment 2 Timo A. Hummel 2006-02-13 20:13:52 UTC
Suggestion: Close the bug ;)

It's open for over one year now - probably a temporary outage/problem or
something that has been fixed already.
Comment 3 Matt Domsch 2006-04-04 14:11:43 UTC
I ran into exactly this behavior twice in the past week, once with a 1.3.x
install, and now with a 1.5.x install.  For me, it was clicking "Save Page",
then "back", then "Save Page" again.  After this, referencing with only the page
name would cause a blank page to be shown.  Referencing with the page name plus
some text (i.e. MyPage#foo) would cause the page to be shown.
Comment 4 Philippe Verdy 2007-05-07 20:42:13 UTC
Not a bug, Matt, you are trying to view the blank page from your local browser's cache!
the sequence "Save", "back", "Save" will perform the first save for your self, then when clicking back you 
are viewing the edit page before your change but with the same edit id, and the second save detects the 
conflict with yourself.

There's no way a Save/back/save sequence can work without generating a normal edit conflict: only one save 
is allowed per edit.

Comment 5 Jesse (Pathoschild) 2007-06-27 03:01:30 UTC
I've closed this bug as suggested in comment #2. The last reported sighting of this bug was over three years ago, and the bug comment #1 suspected as the cause has since been resolved.

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