( ! ) Warning: Search backend error during near_match search for '18.212.93.234' after 7. 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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.0220	3551016	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0369	4378592	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0374	4432504	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0374	4432872	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0807	5794200	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0859	5800160	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0859	5800912	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0881	5815912	Hooks::run( )	../SearchEngine.php:231
12	0.0882	5817512	call_user_func_array ( )	../Hooks.php:209
13	0.0882	5818216	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0888	5892264	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0896	5938288	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0929	6173424	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0932	6205032	PoolCounterWork->execute( )	../Util.php:133
18	0.0934	6229288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0934	6229472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0934	6229544	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0934	6231480	PoolCounterWork->execute( )	../Util.php:129
22	0.0934	6232128	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0934	6232312	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0934	6232432	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1003	6346712	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1004	6350648	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1004	6350928	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1006	6352232	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1006	6352624	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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.1025	6275880	OutputPage->output( )	../MediaWiki.php:583
5	0.1027	6282336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1028	6283632	WebResponse->header( )	../OutputPage.php:2134
7	0.1028	6283776	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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.1025	6275880	OutputPage->output( )	../MediaWiki.php:583
5	0.1027	6282336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1036	6291664	WebResponse->header( )	../OutputPage.php:2171
7	0.1036	6291808	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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.1025	6275880	OutputPage->output( )	../MediaWiki.php:583
5	0.1027	6282336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1041	6291608	WebResponse->header( )	../OutputPage.php:2172
7	0.1041	6291752	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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.1025	6275880	OutputPage->output( )	../MediaWiki.php:583
5	0.1045	6291608	WebResponse->header( )	../OutputPage.php:2220
6	0.1045	6291752	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	233560	{main}( )	../index.php:0
2	0.0135	3375368	MediaWiki->run( )	../index.php:46
3	0.0135	3376776	MediaWiki->main( )	../MediaWiki.php:424
4	0.1025	6275880	OutputPage->output( )	../MediaWiki.php:583
5	0.1051	6291768	WebResponse->header( )	../OutputPage.php:2227
6	0.1051	6291912	header ( )	../WebResponse.php:37