( ! ) Warning: Search backend error during near_match search for '3.133.147.87' 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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0206	3553424	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0348	4380992	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0352	4434904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0352	4435272	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0784	5797984	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0833	5803808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0833	5804560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0854	5819560	Hooks::run( )	../SearchEngine.php:231
12	0.0854	5821160	call_user_func_array ( )	../Hooks.php:209
13	0.0854	5821864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0860	5895896	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0869	5941920	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0903	6176968	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0905	6208552	PoolCounterWork->execute( )	../Util.php:133
18	0.0907	6232808	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0907	6232992	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0907	6233064	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0907	6235000	PoolCounterWork->execute( )	../Util.php:129
22	0.0907	6235648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0907	6235832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0907	6235952	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0971	6350240	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0972	6354176	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0972	6354456	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0973	6355760	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0973	6356152	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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0991	6279472	OutputPage->output( )	../MediaWiki.php:583
5	0.0993	6285928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0994	6287224	WebResponse->header( )	../OutputPage.php:2134
7	0.0994	6287368	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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0991	6279472	OutputPage->output( )	../MediaWiki.php:583
5	0.0993	6285928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0999	6295256	WebResponse->header( )	../OutputPage.php:2171
7	0.0999	6295400	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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0991	6279472	OutputPage->output( )	../MediaWiki.php:583
5	0.0993	6285928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1005	6295200	WebResponse->header( )	../OutputPage.php:2172
7	0.1005	6295344	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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0991	6279472	OutputPage->output( )	../MediaWiki.php:583
5	0.1009	6295200	WebResponse->header( )	../OutputPage.php:2220
6	0.1009	6295344	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	235248	{main}( )	../index.php:0
2	0.0113	3377880	MediaWiki->run( )	../index.php:46
3	0.0114	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0991	6279472	OutputPage->output( )	../MediaWiki.php:583
5	0.1016	6295360	WebResponse->header( )	../OutputPage.php:2227
6	0.1016	6295504	header ( )	../WebResponse.php:37