( ! ) Warning: Search backend error during near_match search for '18.191.112.140' 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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0209	3560880	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0371	4388304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0375	4442192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0376	4442560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0829	5805008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0883	5811192	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0883	5811944	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1005	5826944	Hooks::run( )	../SearchEngine.php:231
12	0.1005	5828544	call_user_func_array ( )	../Hooks.php:209
13	0.1006	5829248	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1020	5903296	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1032	5949320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1064	6184416	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1067	6216008	PoolCounterWork->execute( )	../Util.php:133
18	0.1068	6240264	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1068	6240448	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1068	6240520	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1069	6242456	PoolCounterWork->execute( )	../Util.php:129
22	0.1069	6243104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1069	6243288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1069	6243408	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1130	6357656	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1132	6361592	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1132	6361872	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1133	6363176	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1133	6363568	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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1151	6286856	OutputPage->output( )	../MediaWiki.php:583
5	0.1153	6293312	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1154	6294608	WebResponse->header( )	../OutputPage.php:2134
7	0.1154	6294752	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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1151	6286856	OutputPage->output( )	../MediaWiki.php:583
5	0.1153	6293312	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1160	6302640	WebResponse->header( )	../OutputPage.php:2171
7	0.1160	6302784	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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1151	6286856	OutputPage->output( )	../MediaWiki.php:583
5	0.1153	6293312	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1165	6302584	WebResponse->header( )	../OutputPage.php:2172
7	0.1165	6302728	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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1151	6286856	OutputPage->output( )	../MediaWiki.php:583
5	0.1170	6302584	WebResponse->header( )	../OutputPage.php:2220
6	0.1170	6302728	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	0.0001	239856	{main}( )	../index.php:0
2	0.0127	3385280	MediaWiki->run( )	../index.php:46
3	0.0127	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1151	6286856	OutputPage->output( )	../MediaWiki.php:583
5	0.1176	6302744	WebResponse->header( )	../OutputPage.php:2227
6	0.1176	6302888	header ( )	../WebResponse.php:37