( ! ) Warning: Search backend error during near_match search for '3.21.46.13' 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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0203	3599128	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0346	4412376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0350	4466368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0350	4466736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0766	5793752	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0820	5799888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0820	5800640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0849	5815640	Hooks::run( )	../SearchEngine.php:231
12	0.0849	5817240	call_user_func_array ( )	../Hooks.php:209
13	0.0849	5817944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0853	5891952	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0860	5937984	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0890	6173088	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0893	6205872	PoolCounterWork->execute( )	../Util.php:133
18	0.0894	6230344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0895	6230528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0895	6230600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0895	6232568	PoolCounterWork->execute( )	../Util.php:129
22	0.0895	6233216	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0895	6233400	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0895	6233520	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0958	6347800	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0960	6351728	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0960	6352008	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0960	6353296	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0961	6353688	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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0977	6276912	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6283360	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0980	6284656	WebResponse->header( )	../OutputPage.php:2134
7	0.0981	6284800	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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0977	6276912	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6283360	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0987	6292688	WebResponse->header( )	../OutputPage.php:2171
7	0.0987	6292832	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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0977	6276912	OutputPage->output( )	../MediaWiki.php:583
5	0.0980	6283360	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0992	6292632	WebResponse->header( )	../OutputPage.php:2172
7	0.0992	6292776	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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0977	6276912	OutputPage->output( )	../MediaWiki.php:583
5	0.0997	6292632	WebResponse->header( )	../OutputPage.php:2220
6	0.0997	6292776	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	232168	{main}( )	../index.php:0
2	0.0114	3374072	MediaWiki->run( )	../index.php:46
3	0.0115	3375480	MediaWiki->main( )	../MediaWiki.php:424
4	0.0977	6276912	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6292784	WebResponse->header( )	../OutputPage.php:2227
6	0.1003	6292928	header ( )	../WebResponse.php:37