( ! ) Warning: Search backend error during near_match search for '18.191.174.111' 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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0216	3957112	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0326	4411936	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0331	4465952	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0331	4466320	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0702	5811576	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0751	5817792	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0751	5818544	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0772	5833536	Hooks::run( )	../SearchEngine.php:231
12	0.0773	5835136	call_user_func_array ( )	../Hooks.php:209
13	0.0773	5835840	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0778	5909888	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0785	5955912	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0813	6191024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0816	6222608	PoolCounterWork->execute( )	../Util.php:133
18	0.0817	6246864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0817	6247048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0817	6247120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0817	6249056	PoolCounterWork->execute( )	../Util.php:129
22	0.0817	6249704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0817	6249888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0817	6250008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0880	6364272	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0881	6368208	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0881	6368488	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0882	6369792	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0882	6370184	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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0898	6293472	OutputPage->output( )	../MediaWiki.php:583
5	0.0900	6299928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0901	6301224	WebResponse->header( )	../OutputPage.php:2134
7	0.0901	6301368	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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0898	6293472	OutputPage->output( )	../MediaWiki.php:583
5	0.0900	6299928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0907	6309256	WebResponse->header( )	../OutputPage.php:2171
7	0.0907	6309400	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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0898	6293472	OutputPage->output( )	../MediaWiki.php:583
5	0.0900	6299928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0912	6309200	WebResponse->header( )	../OutputPage.php:2172
7	0.0912	6309344	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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0898	6293472	OutputPage->output( )	../MediaWiki.php:583
5	0.0916	6309200	WebResponse->header( )	../OutputPage.php:2220
6	0.0916	6309344	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	235360	{main}( )	../index.php:0
2	0.0142	3781576	MediaWiki->run( )	../index.php:46
3	0.0142	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0898	6293472	OutputPage->output( )	../MediaWiki.php:583
5	0.0922	6309360	WebResponse->header( )	../OutputPage.php:2227
6	0.0922	6309504	header ( )	../WebResponse.php:37