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Item10559: Use of uninitialized value in numeric comparison (...) at ... Core.pm line 1421

Priority: Normal
Current State: Closed
Released In: 1.1.4
Target Release: patch

Applies To: Extension
Component: TablePlugin
Branches:

Reported By: PaulHarvey
Waiting For:
Last Change By: GeorgeClark

Getting a lot of this in my logs (trunk):

Use of uninitialized value in numeric comparison (<=>) at /path/to/core/lib/Foswiki/Plugins/TablePlugin/Core.pm line 1421

-- PaulHarvey - 28 Mar 2011

Updated summary - <=> breaks rss feed.

-- GeorgeClark - 29 Mar 2011

We are getting large numbers of these on Foswiki.org as well. It appears that the numeric url params are not validated for numeric. We are getting 80,000+ errors a day. Seems to be caused by the URL parameters sort, sortcol, table and up not being validated as provided, and numeric (or off for sort=.

Argument "" isn't numeric in numeric gt (>) at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 539.
Argument "" isn't numeric in numeric eq (==) at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 620.
Argument "" isn't numeric in array element at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 756.
Argument "" isn't numeric in array element at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 761.
Argument "" isn't numeric in array element at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 762.
Argument "" isn't numeric in array element at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 763.
Argument "" isn't numeric in array element at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 780.
Argument "" isn't numeric in numeric lt (<) at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 1412.
Argument "" isn't numeric in numeric eq (==) at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 1487.
Argument "" isn't numeric in numeric eq (==) at /usr/home/foswiki.org/public_html/lib/Foswiki/Plugins/TablePlugin/Core.pm line 1541.

-- GeorgeClark - 21 Sep 2011

ItemTemplate edit

Summary	Use of uninitialized value in numeric comparison (...) at ... Core.pm line 1421
ReportedBy	PaulHarvey
Codebase	1.1.3, trunk
SVN Range
AppliesTo	Extension
Component	TablePlugin
Priority	Normal
CurrentState	Closed
WaitingFor
Checkins	distro:042d3b4c00e0
TargetRelease	patch
ReleasedIn	1.1.4