( ! ) Warning: Search backend error during near_match search for '18.226.251.26' after 9. 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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0457	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0911	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0916	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0916	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3234	5794744	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4019	5801000	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4020	5801752	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4235	5816752	Hooks::run( )	../SearchEngine.php:231
12	0.4236	5818352	call_user_func_array ( )	../Hooks.php:209
13	0.4236	5819056	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4241	5893088	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4247	5939120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4590	6174176	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4735	6205760	PoolCounterWork->execute( )	../Util.php:133
18	0.4768	6230016	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4769	6230200	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4769	6230272	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4769	6232208	PoolCounterWork->execute( )	../Util.php:129
22	0.4769	6232856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4769	6233040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4769	6233160	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4861	6347416	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4863	6351352	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4863	6351632	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4864	6352936	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4864	6353328	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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4884	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.4886	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4887	6284392	WebResponse->header( )	../OutputPage.php:2134
7	0.4887	6284536	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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4884	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.4886	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5156	6292424	WebResponse->header( )	../OutputPage.php:2171
7	0.5156	6292568	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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4884	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.4886	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5162	6292368	WebResponse->header( )	../OutputPage.php:2172
7	0.5162	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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4884	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.5167	6292368	WebResponse->header( )	../OutputPage.php:2220
6	0.5167	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	0.0088	3375880	MediaWiki->run( )	../index.php:46
3	0.0153	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4884	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.5342	6292528	WebResponse->header( )	../OutputPage.php:2227
6	0.5342	6292672	header ( )	../WebResponse.php:37