( ! ) Warning: Search backend error during near_match search for '18.223.252.43' 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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0233	3965152	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0348	4419904	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0353	4473928	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0354	4474296	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0758	5817840	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0810	5823808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0810	5824560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0833	5839560	Hooks::run( )	../SearchEngine.php:231
12	0.0833	5841160	call_user_func_array ( )	../Hooks.php:209
13	0.0833	5841864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0838	5915920	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0845	5961944	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0871	6197040	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0873	6229808	PoolCounterWork->execute( )	../Util.php:133
18	0.0876	6254248	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0876	6254432	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0876	6254504	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0876	6256472	PoolCounterWork->execute( )	../Util.php:129
22	0.0876	6257120	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0876	6257304	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0876	6257424	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0941	6371728	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0942	6375664	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0942	6375944	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0943	6377248	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0943	6377640	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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0960	6300888	OutputPage->output( )	../MediaWiki.php:583
5	0.0962	6307336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0963	6308632	WebResponse->header( )	../OutputPage.php:2134
7	0.0963	6308776	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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0960	6300888	OutputPage->output( )	../MediaWiki.php:583
5	0.0962	6307336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0969	6316664	WebResponse->header( )	../OutputPage.php:2171
7	0.0969	6316808	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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0960	6300888	OutputPage->output( )	../MediaWiki.php:583
5	0.0962	6307336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0974	6316608	WebResponse->header( )	../OutputPage.php:2172
7	0.0974	6316752	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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0960	6300888	OutputPage->output( )	../MediaWiki.php:583
5	0.0981	6316608	WebResponse->header( )	../OutputPage.php:2220
6	0.0981	6316752	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	240880	{main}( )	../index.php:0
2	0.0157	3789768	MediaWiki->run( )	../index.php:46
3	0.0157	3791176	MediaWiki->main( )	../MediaWiki.php:424
4	0.0960	6300888	OutputPage->output( )	../MediaWiki.php:583
5	0.0987	6316768	WebResponse->header( )	../OutputPage.php:2227
6	0.0987	6316912	header ( )	../WebResponse.php:37