( ! ) Warning: Search backend error during near_match search for '3.21.43.58' after 19. 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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.4561	3552080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.5724	4379568	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.5729	4433440	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.5729	4433808	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0990	5795664	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1546	5801848	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1546	5802600	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1676	5817600	Hooks::run( )	../SearchEngine.php:231
12	1.1677	5819200	call_user_func_array ( )	../Hooks.php:209
13	1.1677	5819904	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1883	5893912	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1980	5939936	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.2006	6175040	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.2009	6206648	PoolCounterWork->execute( )	../Util.php:133
18	1.2011	6230904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.2011	6231088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.2011	6231160	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.2256	6233096	PoolCounterWork->execute( )	../Util.php:129
22	1.2256	6233744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.2256	6233928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.2256	6234048	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.2449	6348280	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.2451	6352208	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.2451	6352488	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.2452	6353776	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.2452	6354168	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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2635	6277472	OutputPage->output( )	../MediaWiki.php:583
5	1.2638	6283920	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2639	6285216	WebResponse->header( )	../OutputPage.php:2134
7	1.2639	6285360	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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2635	6277472	OutputPage->output( )	../MediaWiki.php:583
5	1.2638	6283920	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2646	6293248	WebResponse->header( )	../OutputPage.php:2171
7	1.2646	6293392	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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2635	6277472	OutputPage->output( )	../MediaWiki.php:583
5	1.2638	6283920	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2651	6293192	WebResponse->header( )	../OutputPage.php:2172
7	1.2651	6293336	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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2635	6277472	OutputPage->output( )	../MediaWiki.php:583
5	1.2656	6293192	WebResponse->header( )	../OutputPage.php:2220
6	1.2656	6293336	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	233896	{main}( )	../index.php:0
2	0.3093	3376392	MediaWiki->run( )	../index.php:46
3	0.3093	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2635	6277472	OutputPage->output( )	../MediaWiki.php:583
5	1.2824	6293352	WebResponse->header( )	../OutputPage.php:2227
6	1.2824	6293496	header ( )	../WebResponse.php:37