GWToolset is flooding logs on Commons with poorly-constructed log entries
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	McZusatz
	Feb 6 2015, 8:34 AM

Description

Steps to reproduce:
http://commons.wikimedia.org//w/api.php?action=query&list=recentchanges&format=xml&rcstart=20150122000951&rcend=20150123000951&rcdir=newer&rcnamespace=6&rclimit=500&rctype=log&rawcontinue

Expected result:
[...]
<rc type="log" ns="6" title="File:Europe under Nazi domination.png" pageid="14619311" revid="0" old_revid="0" rcid="150700975" timestamp="2015-01-22T00:10:24Z"/>
<rc type="log" ns="6" title="File:Move It - Thinktank Birmingham Science Museum - City of Birmingham locomotive 46235 (8620737880).jpg" pageid="37965992" revid="0" old_revid="0" rcid="150701084" timestamp="2015-01-22T00:10:33Z"/>
[...]

Actual result:
[...]
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700967" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700968" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700969" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700970" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700971" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700972" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700973" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150700974" timestamp="2015-01-22T00:10:23Z"/>
<rc type="log" ns="6" title="File:Europe under Nazi domination.png" pageid="14619311" revid="0" old_revid="0" rcid="150700975" timestamp="2015-01-22T00:10:24Z"/>
[...]

Related Objects

Mentioned Here: T87040: GWT infinite loops with wmf's new hhvm job runners

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McZusatz created this task.Feb 6 2015, 8:34 AM

McZusatz raised the priority of this task from to Needs Triage.

McZusatz updated the task description. (Show Details)

McZusatz added a project: MediaWiki-Action-API.

McZusatz subscribed.

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 6 2015, 8:34 AM

Aklapper triaged this task as Low priority.Feb 6 2015, 1:03 PM

Adding the 'loginfo' parameter to the query (like this) reveals that these are far from "void data"; in fact, they all appear to be log entries from MediaWiki-extensions-GWToolset.

<rc type="log" ns="6" title="File:No title" pageid="0" revid="0" old_revid="0" rcid="150701245" timestamp="2015-01-22T00:10:57Z"
logid="111446482" logtype="gwtoolset" logaction="metadata-job" message="<h2>Step 4: Batch upload</h2>Metadata batch job created.
Your metadata file will be analyzed shortly and each item will be uploaded to the wiki in a background process. You can check the
page "<a href="/wiki/Special:NewFiles" title="Special:NewFiles" target="_blank">Special:NewFiles</a>" to see when they have been
uploaded. Started with metadata record 1"/>

Restricted Application added a project: Multimedia. · View Herald TranscriptFeb 6 2015, 3:16 PM

Anomie removed a project: MediaWiki-Action-API.Feb 6 2015, 3:17 PM

Anomie set Security to None.

In T88783#1020647, @Anomie wrote:

these are far from "void data"; in fact, they all appear to be log entries from MediaWiki-extensions-GWToolset.

Ok, thank you for finding the cause of the entries. I never saw such log entries before and in the last 30 days there are 1756775 such cases. (81.4 % of 2158260; Probably concentrated on a few days.)

Anomie renamed this task from Result set of recentchanges gets padded with void data to GWToolset is flooding logs on Commons with poorly-constructed log entries.Feb 6 2015, 8:13 PM

In T88783#1021285, @McZusatz wrote:

I never saw such log entries before and in the last 30 days there are 1756775 such cases. (81.4 % of 2158260; Probably concentrated on a few days.)

A side effect of T87040 (including the "poorly constructed" part - GWT uses the same method to construct log messages and HTML messages on its special page, and it confused the two formats), which has been fixed.

Aklapper removed a subscriber: Anomie.Oct 16 2020, 5:43 PM

Restricted Application added a project: Commons. · View Herald TranscriptOct 16 2020, 5:43 PM

GWToolset is flooding logs on Commons with poorly-constructed log entriesClosed, ResolvedPublicActions

Description

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GWToolset is flooding logs on Commons with poorly-constructed log entries
Closed, ResolvedPublic
Actions