( ! ) Warning: Search backend error during near_match search for '18.117.98.250' after 20. 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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1311	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2786	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2791	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2791	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.5857	5794744	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.6388	5801000	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.6388	5801752	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.6576	5816752	Hooks::run( )	../SearchEngine.php:231
12	0.6576	5818352	call_user_func_array ( )	../Hooks.php:209
13	0.6576	5819056	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.6582	5893088	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.6590	5939120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.7013	6174176	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.7016	6205760	PoolCounterWork->execute( )	../Util.php:133
18	0.7017	6230016	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.7017	6230200	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.7017	6230272	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.7018	6232208	PoolCounterWork->execute( )	../Util.php:129
22	0.7018	6232856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.7018	6233040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.7018	6233160	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.7213	6347416	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.7215	6351352	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.7215	6351632	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.7216	6352936	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.7216	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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.7233	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.7235	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7236	6284392	WebResponse->header( )	../OutputPage.php:2134
7	0.7236	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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.7233	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.7235	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7573	6292424	WebResponse->header( )	../OutputPage.php:2171
7	0.7573	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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.7233	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.7235	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7578	6292368	WebResponse->header( )	../OutputPage.php:2172
7	0.7578	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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.7233	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.7583	6292368	WebResponse->header( )	../OutputPage.php:2220
6	0.7583	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	0.0726	3375880	MediaWiki->run( )	../index.php:46
3	0.0726	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.7233	6276640	OutputPage->output( )	../MediaWiki.php:583
5	0.7589	6292528	WebResponse->header( )	../OutputPage.php:2227
6	0.7589	6292672	header ( )	../WebResponse.php:37