( ! ) Warning: Search backend error during near_match search for '18.222.220.80' 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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0286	3559552	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0434	4387040	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0438	4440976	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0438	4441344	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0907	5804008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0975	5809760	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0975	5810512	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1001	5825512	Hooks::run( )	../SearchEngine.php:231
12	0.1001	5827112	call_user_func_array ( )	../Hooks.php:209
13	0.1001	5827816	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1008	5901864	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1016	5947888	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1042	6182984	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1045	6214568	PoolCounterWork->execute( )	../Util.php:133
18	0.1046	6238824	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1046	6239008	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1046	6239080	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1047	6241016	PoolCounterWork->execute( )	../Util.php:129
22	0.1047	6241664	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1047	6241848	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1047	6241968	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1110	6356232	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1111	6360168	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1111	6360448	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1112	6361752	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1112	6362144	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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1131	6285432	OutputPage->output( )	../MediaWiki.php:583
5	0.1133	6291888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1134	6293184	WebResponse->header( )	../OutputPage.php:2134
7	0.1134	6293328	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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1131	6285432	OutputPage->output( )	../MediaWiki.php:583
5	0.1133	6291888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1141	6301216	WebResponse->header( )	../OutputPage.php:2171
7	0.1141	6301360	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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1131	6285432	OutputPage->output( )	../MediaWiki.php:583
5	0.1133	6291888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1146	6301160	WebResponse->header( )	../OutputPage.php:2172
7	0.1146	6301304	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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1131	6285432	OutputPage->output( )	../MediaWiki.php:583
5	0.1311	6301160	WebResponse->header( )	../OutputPage.php:2220
6	0.1311	6301304	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	238760	{main}( )	../index.php:0
2	0.0202	3383944	MediaWiki->run( )	../index.php:46
3	0.0202	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1131	6285432	OutputPage->output( )	../MediaWiki.php:583
5	0.1318	6301320	WebResponse->header( )	../OutputPage.php:2227
6	0.1318	6301464	header ( )	../WebResponse.php:37