( ! ) Warning: Search backend error during near_match search for '18.190.253.68' after 10. 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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0251	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0418	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0423	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0424	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0865	5794728	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0917	5800984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0917	5801736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0939	5816736	Hooks::run( )	../SearchEngine.php:231
12	0.0939	5818336	call_user_func_array ( )	../Hooks.php:209
13	0.0940	5819040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0945	5893072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0953	5939096	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0985	6174104	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0988	6205688	PoolCounterWork->execute( )	../Util.php:133
18	0.0990	6229944	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0990	6230128	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0990	6230200	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0990	6232136	PoolCounterWork->execute( )	../Util.php:129
22	0.0990	6232784	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0990	6232968	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0990	6233088	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1093	6347360	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1095	6351296	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1095	6351576	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1096	6352880	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1096	6353272	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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1119	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.1122	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1123	6284336	WebResponse->header( )	../OutputPage.php:2134
7	0.1123	6284480	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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1119	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.1122	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1136	6292368	WebResponse->header( )	../OutputPage.php:2171
7	0.1136	6292512	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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1119	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.1122	6283040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1141	6292312	WebResponse->header( )	../OutputPage.php:2172
7	0.1141	6292456	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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1119	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.1150	6292312	WebResponse->header( )	../OutputPage.php:2220
6	0.1150	6292456	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	233960	{main}( )	../index.php:0
2	0.0137	3375880	MediaWiki->run( )	../index.php:46
3	0.0138	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1119	6276584	OutputPage->output( )	../MediaWiki.php:583
5	0.1158	6292472	WebResponse->header( )	../OutputPage.php:2227
6	0.1158	6292616	header ( )	../WebResponse.php:37