( ! ) Warning: Search backend error during near_match search for '18.191.200.105' 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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0211	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0360	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0365	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0365	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0773	5794408	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0823	5800664	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0823	5801416	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0845	5816408	Hooks::run( )	../SearchEngine.php:231
12	0.0846	5818008	call_user_func_array ( )	../Hooks.php:209
13	0.0846	5818712	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0851	5892744	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0857	5938784	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0884	6173832	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0886	6205416	PoolCounterWork->execute( )	../Util.php:133
18	0.0888	6229672	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0888	6229856	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0888	6229928	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0889	6231864	PoolCounterWork->execute( )	../Util.php:129
22	0.0889	6232512	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0889	6232696	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0889	6232816	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0951	6347080	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0952	6351016	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0952	6351296	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0953	6352600	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0953	6352992	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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0970	6276312	OutputPage->output( )	../MediaWiki.php:583
5	0.0972	6282768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0973	6284064	WebResponse->header( )	../OutputPage.php:2134
7	0.0973	6284208	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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0970	6276312	OutputPage->output( )	../MediaWiki.php:583
5	0.0972	6282768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0979	6292096	WebResponse->header( )	../OutputPage.php:2171
7	0.0979	6292240	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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0970	6276312	OutputPage->output( )	../MediaWiki.php:583
5	0.0972	6282768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0984	6292040	WebResponse->header( )	../OutputPage.php:2172
7	0.0984	6292184	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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0970	6276312	OutputPage->output( )	../MediaWiki.php:583
5	0.0989	6292040	WebResponse->header( )	../OutputPage.php:2220
6	0.0989	6292184	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	233960	{main}( )	../index.php:0
2	0.0132	3375880	MediaWiki->run( )	../index.php:46
3	0.0133	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0970	6276312	OutputPage->output( )	../MediaWiki.php:583
5	0.0995	6292200	WebResponse->header( )	../OutputPage.php:2227
6	0.0995	6292344	header ( )	../WebResponse.php:37