( ! ) Warning: Search backend error during near_match search for '3.149.255.146' 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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0179	3552352	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0320	4379840	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0325	4433728	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0325	4434096	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0737	5796152	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0787	5802408	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0787	5803160	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0809	5818160	Hooks::run( )	../SearchEngine.php:231
12	0.0809	5819760	call_user_func_array ( )	../Hooks.php:209
13	0.0810	5820464	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0814	5894512	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0820	5940536	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0844	6175664	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0847	6208448	PoolCounterWork->execute( )	../Util.php:133
18	0.0848	6232704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0848	6232888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0848	6232960	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0849	6234928	PoolCounterWork->execute( )	../Util.php:129
22	0.0849	6235576	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0849	6235760	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0849	6235880	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0910	6350168	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0912	6354104	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0912	6354384	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0912	6355688	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0912	6356080	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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0929	6279304	OutputPage->output( )	../MediaWiki.php:583
5	0.0931	6285760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0932	6287056	WebResponse->header( )	../OutputPage.php:2134
7	0.0932	6287200	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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0929	6279304	OutputPage->output( )	../MediaWiki.php:583
5	0.0931	6285760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0938	6295104	WebResponse->header( )	../OutputPage.php:2171
7	0.0938	6295248	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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0929	6279304	OutputPage->output( )	../MediaWiki.php:583
5	0.0931	6285760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0942	6295048	WebResponse->header( )	../OutputPage.php:2172
7	0.0942	6295192	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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0929	6279304	OutputPage->output( )	../MediaWiki.php:583
5	0.0947	6295048	WebResponse->header( )	../OutputPage.php:2220
6	0.0947	6295192	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	233960	{main}( )	../index.php:0
2	0.0101	3376752	MediaWiki->run( )	../index.php:46
3	0.0101	3378160	MediaWiki->main( )	../MediaWiki.php:424
4	0.0929	6279304	OutputPage->output( )	../MediaWiki.php:583
5	0.0953	6295208	WebResponse->header( )	../OutputPage.php:2227
6	0.0953	6295352	header ( )	../WebResponse.php:37