( ! ) Warning: Search backend error during near_match search for '18.117.73.127' after 22. Couldn't connect to host, Elasticsearch down? [Called from CirrusSearch\ElasticsearchIntermediary::failure in /var/www/w122_5/extensions/CirrusSearch/includes/ElasticsearchIntermediary.php at line 98] in /var/www/w122_5/includes/debug/MWDebug.php on line 300
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	0.2286	3599456	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4184	4412984	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4189	4466976	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4189	4467344	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0438	5794888	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1407	5801096	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1407	5801848	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1821	5816848	Hooks::run( )	../SearchEngine.php:231
12	1.1822	5818448	call_user_func_array ( )	../Hooks.php:209
13	1.1822	5819152	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1827	5893192	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1834	5939216	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.2567	6174272	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.2570	6205880	PoolCounterWork->execute( )	../Util.php:133
18	1.2573	6230136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.2573	6230320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.2573	6230392	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.2573	6232328	PoolCounterWork->execute( )	../Util.php:129
22	1.2573	6232976	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.2573	6233160	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.2573	6233280	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.2798	6347536	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.2799	6351472	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.2799	6351752	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.2800	6353056	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.2801	6353448	trigger_error ( )	../MWDebug.php:300

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.3101	6276744	OutputPage->output( )	../MediaWiki.php:583
5	1.3103	6283200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3104	6284496	WebResponse->header( )	../OutputPage.php:2134
7	1.3104	6284640	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.3101	6276744	OutputPage->output( )	../MediaWiki.php:583
5	1.3103	6283200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3111	6292528	WebResponse->header( )	../OutputPage.php:2171
7	1.3111	6292672	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.3101	6276744	OutputPage->output( )	../MediaWiki.php:583
5	1.3103	6283200	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3116	6292472	WebResponse->header( )	../OutputPage.php:2172
7	1.3116	6292616	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.3101	6276744	OutputPage->output( )	../MediaWiki.php:583
5	1.3121	6292472	WebResponse->header( )	../OutputPage.php:2220
6	1.3121	6292616	header ( )	../WebResponse.php:37

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/w122_5/includes/debug/MWDebug.php:300) in /var/www/w122_5/includes/WebResponse.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	232232	{main}( )	../index.php:0
2	0.0962	3374344	MediaWiki->run( )	../index.php:46
3	0.0962	3375752	MediaWiki->main( )	../MediaWiki.php:424
4	1.3101	6276744	OutputPage->output( )	../MediaWiki.php:583
5	1.3127	6292632	WebResponse->header( )	../OutputPage.php:2227
6	1.3127	6292776	header ( )	../WebResponse.php:37