( ! ) Warning: Search backend error during near_match search for '18.188.218.184' after 7. 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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0175	3553960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0320	4381440	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0324	4435320	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0325	4435688	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0743	5798240	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0796	5804496	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0796	5805248	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0818	5820240	Hooks::run( )	../SearchEngine.php:231
12	0.0818	5821840	call_user_func_array ( )	../Hooks.php:209
13	0.0818	5822544	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0826	5896592	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0834	5942624	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0870	6177744	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0873	6209336	PoolCounterWork->execute( )	../Util.php:133
18	0.0875	6233592	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0875	6233776	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0875	6233848	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0875	6235784	PoolCounterWork->execute( )	../Util.php:129
22	0.0875	6236432	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0875	6236616	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0875	6236736	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0941	6351000	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0943	6354936	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0943	6355216	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0944	6356520	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0944	6356912	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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0964	6280200	OutputPage->output( )	../MediaWiki.php:583
5	0.0966	6286656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0967	6287952	WebResponse->header( )	../OutputPage.php:2134
7	0.0967	6288096	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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0964	6280200	OutputPage->output( )	../MediaWiki.php:583
5	0.0966	6286656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0973	6295984	WebResponse->header( )	../OutputPage.php:2171
7	0.0973	6296128	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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0964	6280200	OutputPage->output( )	../MediaWiki.php:583
5	0.0966	6286656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0978	6295928	WebResponse->header( )	../OutputPage.php:2172
7	0.0978	6296072	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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0964	6280200	OutputPage->output( )	../MediaWiki.php:583
5	0.0983	6295928	WebResponse->header( )	../OutputPage.php:2220
6	0.0983	6296072	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	0.0000	235760	{main}( )	../index.php:0
2	0.0090	3378464	MediaWiki->run( )	../index.php:46
3	0.0090	3379872	MediaWiki->main( )	../MediaWiki.php:424
4	0.0964	6280200	OutputPage->output( )	../MediaWiki.php:583
5	0.0989	6296088	WebResponse->header( )	../OutputPage.php:2227
6	0.0989	6296232	header ( )	../WebResponse.php:37