( ! ) Warning: Search backend error during near_match search for '18.222.254.247' after 6. 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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0195	3560880	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0350	4388304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0354	4442192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0355	4442560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0848	5805008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0903	5811192	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0903	5811944	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0927	5826944	Hooks::run( )	../SearchEngine.php:231
12	0.0928	5828544	call_user_func_array ( )	../Hooks.php:209
13	0.0928	5829248	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0934	5903296	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0942	5949320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0982	6184416	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0985	6216008	PoolCounterWork->execute( )	../Util.php:133
18	0.0986	6240264	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0987	6240448	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0987	6240520	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0987	6242456	PoolCounterWork->execute( )	../Util.php:129
22	0.0987	6243104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0987	6243288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0987	6243408	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1051	6357672	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1053	6361608	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1053	6361888	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1054	6363192	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1054	6363584	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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1076	6286872	OutputPage->output( )	../MediaWiki.php:583
5	0.1078	6293328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1079	6294624	WebResponse->header( )	../OutputPage.php:2134
7	0.1079	6294768	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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1076	6286872	OutputPage->output( )	../MediaWiki.php:583
5	0.1078	6293328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1086	6302656	WebResponse->header( )	../OutputPage.php:2171
7	0.1086	6302800	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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1076	6286872	OutputPage->output( )	../MediaWiki.php:583
5	0.1078	6293328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1091	6302600	WebResponse->header( )	../OutputPage.php:2172
7	0.1091	6302744	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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1076	6286872	OutputPage->output( )	../MediaWiki.php:583
5	0.1099	6302600	WebResponse->header( )	../OutputPage.php:2220
6	0.1099	6302744	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	239856	{main}( )	../index.php:0
2	0.0102	3385280	MediaWiki->run( )	../index.php:46
3	0.0102	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1076	6286872	OutputPage->output( )	../MediaWiki.php:583
5	0.1105	6302760	WebResponse->header( )	../OutputPage.php:2227
6	0.1105	6302904	header ( )	../WebResponse.php:37