( ! ) Warning: Search backend error during near_match search for '18.221.98.71' 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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0247	3958232	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0365	4413072	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0369	4467088	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0369	4467456	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0774	5811760	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0825	5817984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0825	5818736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0846	5833736	Hooks::run( )	../SearchEngine.php:231
12	0.0847	5835336	call_user_func_array ( )	../Hooks.php:209
13	0.0847	5836040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0851	5910080	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0858	5956104	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0890	6191168	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0891	6222752	PoolCounterWork->execute( )	../Util.php:133
18	0.0892	6247008	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0892	6247192	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0892	6247264	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0893	6249200	PoolCounterWork->execute( )	../Util.php:129
22	0.0893	6249848	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0893	6250032	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0893	6250152	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0956	6364440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0957	6368376	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0957	6368656	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0958	6369960	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0958	6370352	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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0978	6293672	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6300128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0981	6301424	WebResponse->header( )	../OutputPage.php:2134
7	0.0981	6301568	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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0978	6293672	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6300128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0987	6309456	WebResponse->header( )	../OutputPage.php:2171
7	0.0987	6309600	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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0978	6293672	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6300128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0992	6309400	WebResponse->header( )	../OutputPage.php:2172
7	0.0992	6309544	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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0978	6293672	OutputPage->output( )	../MediaWiki.php:583
5	0.0997	6309400	WebResponse->header( )	../OutputPage.php:2220
6	0.0997	6309544	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	235872	{main}( )	../index.php:0
2	0.0158	3782712	MediaWiki->run( )	../index.php:46
3	0.0159	3784120	MediaWiki->main( )	../MediaWiki.php:424
4	0.0978	6293672	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6309560	WebResponse->header( )	../OutputPage.php:2227
6	0.1003	6309704	header ( )	../WebResponse.php:37