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Fatal error calling TRACKERITEMFIELD with inexistent tracker item

  • Tracker item actions
Trackers
Items
Status
Open
Subject
Fatal error calling TRACKERITEMFIELD with inexistent tracker item
Version
12.x
15.x
18.x
9.x
Category
  • Error
Feature
Trackers
Wiki Plugin (extends basic syntax)
Resolution status
New
Submitted by
Philippe Cloutier
Lastmod by
Philippe Cloutier
Rating
(0)
Description

When the TRACKERITEMFIELD plugin is called trying to access a tracker item which does not exist, a fatal error like the following occurs:

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Fatal error: Call to a member function getConfiguration() on boolean in C:\xampp\htdocs\tiki\18\lib\core\Tracker\Item.php on line 200
Call Stack
#	Time	Memory	Function	Location
1	0.2009	192464	{main}( )	..\route.php:0
2	0.2617	4607672	include( 'C:\xampp\htdocs\tiki\18\tiki-index.php' )	..\route.php:306
3	0.5479	18560680	Tiki_Render_Lazy->__toString( )	..\route.php:645
4	0.5479	18560712	call_user_func:{C:\xampp\htdocs\tiki\18\lib\core\Tiki\Render\Lazy.php:22} ( object(Closure)[521] )	..\Lazy.php:22
5	0.5479	18560752	WikiRenderer->{closure:C:\xampp\htdocs\tiki\18\lib\wiki\renderlib.php:346-356}( )	..\Lazy.php:22
6	0.5480	18560984	WikiLib->get_parse( string(16), bool, ??? )	..\renderlib.php:349
7	0.5484	18565728	WikiLibOutput->__construct( array(34), string(58), array(3), string(1) )	..\wikilib.php:802
8	0.5484	18566056	ParserLib->parse_data( string(58), array(3) )	..\wikilib.php:2155
9	0.5485	18568760	ParserLib->parse_first( string(58), array(2), array(2), ??? )	..\parserlib.php:1667
10	0.5537	18774536	ParserLib->plugin_execute( string(16), string(0), array(3), long, bool, ??? )	..\parserlib.php:439
11	0.5562	18785784	wikiplugin_trackeritemfield( string(0), array(3), long )	..\parserlib.php:1031
12	0.5670	20145512	Tracker_Item->canView( )	..\wikiplugin_trackeritemfield.php:193
13	0.5670	20145664	Tracker_Item->canSeeOwn( )	..\Item.php:88


Objects which contain such calls cannot be viewed, and reindexing for search is also broken.

This happens since r37583 and persists in trunk r68584.

Solution
This needs a modification in wikiplugin_trackeritemfield.php to display a "Tracker item does not exist" message, but there's surely something which could be improved in Tracker_Item::fromInfo() too. That function should throw an exception making the problem clear, not return a bogus object.
Importance
6
Easy to solve?
8
Priority
48
Demonstrate Bug on Tiki 19+
Demonstrate Bug (older Tiki versions)
Ticket ID
6977
Created
Monday 17 December, 2018 21:35:34 UTC
by Philippe Cloutier
LastModif
Monday 17 December, 2018 22:05:23 UTC


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