( ! ) Warning: Search backend error during near_match search for '18.188.180.254' 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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.0805	3957032	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1194	4411808	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1198	4465784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1198	4466152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3561	5809808	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3769	5815824	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3769	5816576	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3811	5831568	Hooks::run( )	../SearchEngine.php:231
12	0.3812	5833168	call_user_func_array ( )	../Hooks.php:209
13	0.3812	5833872	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3814	5907920	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3820	5953944	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3836	6189024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3837	6220608	PoolCounterWork->execute( )	../Util.php:133
18	0.3839	6244864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3839	6245048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3839	6245120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3839	6247056	PoolCounterWork->execute( )	../Util.php:129
22	0.3839	6247704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3839	6247888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3839	6248008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3910	6362256	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3912	6366192	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3912	6366472	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3913	6367776	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3913	6368168	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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.3929	6291472	OutputPage->output( )	../MediaWiki.php:583
5	0.3931	6297928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3932	6299224	WebResponse->header( )	../OutputPage.php:2134
7	0.3932	6299368	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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.3929	6291472	OutputPage->output( )	../MediaWiki.php:583
5	0.3931	6297928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4060	6307256	WebResponse->header( )	../OutputPage.php:2171
7	0.4060	6307400	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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.3929	6291472	OutputPage->output( )	../MediaWiki.php:583
5	0.3931	6297928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4105	6307200	WebResponse->header( )	../OutputPage.php:2172
7	0.4105	6307344	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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.3929	6291472	OutputPage->output( )	../MediaWiki.php:583
5	0.4109	6307200	WebResponse->header( )	../OutputPage.php:2220
6	0.4109	6307344	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	235360	{main}( )	../index.php:0
2	0.0467	3781480	MediaWiki->run( )	../index.php:46
3	0.0467	3782888	MediaWiki->main( )	../MediaWiki.php:424
4	0.3929	6291472	OutputPage->output( )	../MediaWiki.php:583
5	0.4158	6307360	WebResponse->header( )	../OutputPage.php:2227
6	0.4158	6307504	header ( )	../WebResponse.php:37