( ! ) Warning: Search backend error during near_match search for '18.224.59.50' 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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0245	3599096	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0393	4412504	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0398	4466464	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0398	4466832	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0884	5794320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0934	5800600	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0934	5801352	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0956	5816352	Hooks::run( )	../SearchEngine.php:231
12	0.0957	5817952	call_user_func_array ( )	../Hooks.php:209
13	0.0957	5818656	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0963	5892696	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0971	5938720	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1005	6173824	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1007	6206600	PoolCounterWork->execute( )	../Util.php:133
18	0.1009	6231360	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1009	6231544	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1009	6231616	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1010	6233584	PoolCounterWork->execute( )	../Util.php:129
22	0.1010	6234232	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1010	6234416	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1010	6234536	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1074	6348800	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1075	6352736	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1076	6353016	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1077	6354320	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1077	6354712	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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1095	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1099	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1099	6285664	WebResponse->header( )	../OutputPage.php:2134
7	0.1099	6285808	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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1095	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1099	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1106	6293696	WebResponse->header( )	../OutputPage.php:2171
7	0.1106	6293840	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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1095	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1099	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1110	6293640	WebResponse->header( )	../OutputPage.php:2172
7	0.1110	6293784	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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1095	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1115	6293640	WebResponse->header( )	../OutputPage.php:2220
6	0.1115	6293784	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	232200	{main}( )	../index.php:0
2	0.0148	3374112	MediaWiki->run( )	../index.php:46
3	0.0149	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1095	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1121	6293800	WebResponse->header( )	../OutputPage.php:2227
6	0.1121	6293944	header ( )	../WebResponse.php:37