( ! ) Warning: Search backend error during near_match search for '18.222.184.135' after 7. 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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0182	3553656	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0323	4381088	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0329	4434984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0329	4435352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0748	5798320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0800	5804576	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0800	5805328	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0822	5820320	Hooks::run( )	../SearchEngine.php:231
12	0.0823	5821920	call_user_func_array ( )	../Hooks.php:209
13	0.0823	5822624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0828	5896656	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0836	5942696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0870	6177800	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0873	6209392	PoolCounterWork->execute( )	../Util.php:133
18	0.0874	6233648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0874	6233832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0874	6233904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0875	6235840	PoolCounterWork->execute( )	../Util.php:129
22	0.0875	6236488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0875	6236672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0875	6236792	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0941	6351064	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0942	6355000	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0942	6355280	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0943	6356584	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0943	6356976	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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0962	6280264	OutputPage->output( )	../MediaWiki.php:583
5	0.0964	6286720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0965	6288016	WebResponse->header( )	../OutputPage.php:2134
7	0.0965	6288160	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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0962	6280264	OutputPage->output( )	../MediaWiki.php:583
5	0.0964	6286720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0971	6296048	WebResponse->header( )	../OutputPage.php:2171
7	0.0971	6296192	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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0962	6280264	OutputPage->output( )	../MediaWiki.php:583
5	0.0964	6286720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0976	6295992	WebResponse->header( )	../OutputPage.php:2172
7	0.0976	6296136	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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0962	6280264	OutputPage->output( )	../MediaWiki.php:583
5	0.0981	6295992	WebResponse->header( )	../OutputPage.php:2220
6	0.0981	6296136	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	0.0089	3378064	MediaWiki->run( )	../index.php:46
3	0.0089	3379472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0962	6280264	OutputPage->output( )	../MediaWiki.php:583
5	0.0987	6296152	WebResponse->header( )	../OutputPage.php:2227
6	0.0987	6296296	header ( )	../WebResponse.php:37