( ! ) Warning: Search backend error during near_match search for '18.118.200.136' 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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0239	3958600	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0356	4413280	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0361	4467272	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0361	4467640	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0762	5811688	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0814	5817688	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0814	5818440	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0838	5833432	Hooks::run( )	../SearchEngine.php:231
12	0.0838	5835032	call_user_func_array ( )	../Hooks.php:209
13	0.0838	5835736	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0844	5909768	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0851	5955792	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0882	6190840	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0884	6222424	PoolCounterWork->execute( )	../Util.php:133
18	0.0886	6246680	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0886	6246864	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0886	6246936	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0886	6248872	PoolCounterWork->execute( )	../Util.php:129
22	0.0886	6249520	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0886	6249704	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0887	6249824	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0952	6364088	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0954	6368024	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0954	6368304	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0955	6369608	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0955	6370000	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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0973	6293320	OutputPage->output( )	../MediaWiki.php:583
5	0.0975	6299776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0976	6301072	WebResponse->header( )	../OutputPage.php:2134
7	0.0976	6301216	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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0973	6293320	OutputPage->output( )	../MediaWiki.php:583
5	0.0975	6299776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0982	6309104	WebResponse->header( )	../OutputPage.php:2171
7	0.0982	6309248	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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0973	6293320	OutputPage->output( )	../MediaWiki.php:583
5	0.0975	6299776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0987	6309048	WebResponse->header( )	../OutputPage.php:2172
7	0.0987	6309192	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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0973	6293320	OutputPage->output( )	../MediaWiki.php:583
5	0.0992	6309048	WebResponse->header( )	../OutputPage.php:2220
6	0.0992	6309192	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	236768	{main}( )	../index.php:0
2	0.0154	3783168	MediaWiki->run( )	../index.php:46
3	0.0154	3784576	MediaWiki->main( )	../MediaWiki.php:424
4	0.0973	6293320	OutputPage->output( )	../MediaWiki.php:583
5	0.0998	6309208	WebResponse->header( )	../OutputPage.php:2227
6	0.0998	6309352	header ( )	../WebResponse.php:37