( ! ) Warning: Search backend error during near_match search for '3.149.255.162' 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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0264	3957032	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0382	4411824	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0386	4465800	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0387	4466168	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0793	5809488	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0844	5815456	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0844	5816208	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0866	5831208	Hooks::run( )	../SearchEngine.php:231
12	0.0866	5832808	call_user_func_array ( )	../Hooks.php:209
13	0.0867	5833512	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0872	5907568	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0879	5953592	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0910	6188656	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0912	6220240	PoolCounterWork->execute( )	../Util.php:133
18	0.0913	6244496	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0913	6244680	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0913	6244752	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0914	6246688	PoolCounterWork->execute( )	../Util.php:129
22	0.0914	6247336	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0914	6247520	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0914	6247640	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0977	6361928	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0979	6365864	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0979	6366144	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0980	6367448	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0980	6367840	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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6291160	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6297616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1001	6298912	WebResponse->header( )	../OutputPage.php:2134
7	0.1001	6299056	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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6291160	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6297616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1007	6306944	WebResponse->header( )	../OutputPage.php:2171
7	0.1007	6307088	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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6291160	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6297616	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1013	6306888	WebResponse->header( )	../OutputPage.php:2172
7	0.1013	6307032	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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6291160	OutputPage->output( )	../MediaWiki.php:583
5	0.1017	6306888	WebResponse->header( )	../OutputPage.php:2220
6	0.1017	6307032	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	235360	{main}( )	../index.php:0
2	0.0187	3781480	MediaWiki->run( )	../index.php:46
3	0.0187	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6291160	OutputPage->output( )	../MediaWiki.php:583
5	0.1023	6307048	WebResponse->header( )	../OutputPage.php:2227
6	0.1023	6307192	header ( )	../WebResponse.php:37