https://bugzilla.wikimedia.org/show_bug.cgi?id=58264
Web browser: ---
Bug ID: 58264
Summary: wrong UUID to topic_list[offset-id] leads to silent
500 failures
Product: MediaWiki extensions
Version: master
Hardware: All
URL: http://ee-flow.wmflabs.org/wiki/Talk:First_release?top
ic_list[offset-id]=050a0a1b3ef334dffb6efa163e68c4ac
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Flow
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: sp...@wikimedia.org
CC: ebernhard...@wikimedia.org, oke...@wikimedia.org,
sp...@wikimedia.org
Classification: Unclassified
Mobile Platform: ---
I found the nifty topic_list[offset-id] parameter to scroll a particular topic
into view. I think it takes the UUID of the previous workflow.
If you get it wrong as in the URL above, you see an empty browser window, and
error.log contains
[Tue Dec 10 08:57:17 2013] [error] [client 76.14.58.232] PHP Catchable fatal
error: Argument 1 passed to Flow\\Model\\TopicListEntry::toStorageRow() must
be an instance of Flow\\Model\\TopicListEntry, null given in
/srv/mediawiki/extensions/Flow/includes/Model/TopicListEntry.php on line 32
If you just give a garbled parameter like
http://ee-flow.wmflabs.org/wiki/Talk:First_release?topic_list[offset-id]=bad ,
you at least get an exception error reported to the browser:
[1a4011a3] /wiki/Talk:First_release?topic_list[offset-id]=bad Exception from
line 48 of /srv/mediawiki/extensions/Flow/includes/Model/UUID.php: Unknown
input to UUID class
Maybe Flow should support a general query string parameter to make visible any
topic or post, to fix bug 58251
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