( ! ) Warning: Search backend error during near_match search for '18.189.189.52' 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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.0243	3551440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0401	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0406	4432944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0407	4433312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0862	5794768	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0915	5801024	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0915	5801776	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0939	5816776	Hooks::run( )	../SearchEngine.php:231
12	0.0939	5818376	call_user_func_array ( )	../Hooks.php:209
13	0.0939	5819080	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0944	5893128	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0951	5939152	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0980	6174248	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0983	6205832	PoolCounterWork->execute( )	../Util.php:133
18	0.0984	6230088	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0984	6230272	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0984	6230344	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0984	6232280	PoolCounterWork->execute( )	../Util.php:129
22	0.0985	6232928	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0985	6233112	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0985	6233232	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1050	6347520	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1052	6351456	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1052	6351736	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1053	6353040	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1053	6353432	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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1070	6276712	OutputPage->output( )	../MediaWiki.php:583
5	0.1072	6283168	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1073	6284464	WebResponse->header( )	../OutputPage.php:2134
7	0.1073	6284608	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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1070	6276712	OutputPage->output( )	../MediaWiki.php:583
5	0.1072	6283168	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1081	6292496	WebResponse->header( )	../OutputPage.php:2171
7	0.1081	6292640	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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1070	6276712	OutputPage->output( )	../MediaWiki.php:583
5	0.1072	6283168	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1085	6292440	WebResponse->header( )	../OutputPage.php:2172
7	0.1085	6292584	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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1070	6276712	OutputPage->output( )	../MediaWiki.php:583
5	0.1090	6292440	WebResponse->header( )	../OutputPage.php:2220
6	0.1090	6292584	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	0.0002	233960	{main}( )	../index.php:0
2	0.0144	3375896	MediaWiki->run( )	../index.php:46
3	0.0145	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1070	6276712	OutputPage->output( )	../MediaWiki.php:583
5	0.1096	6292600	WebResponse->header( )	../OutputPage.php:2227
6	0.1096	6292744	header ( )	../WebResponse.php:37