( ! ) Warning: Search backend error during near_match search for '18.191.176.194' after 2. 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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0741	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1252	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1256	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1256	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3233	5794464	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3371	5800696	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3371	5801448	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3442	5816440	Hooks::run( )	../SearchEngine.php:231
12	0.3443	5818040	call_user_func_array ( )	../Hooks.php:209
13	0.3443	5818744	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3446	5892776	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3451	5938816	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3475	6173872	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3477	6205464	PoolCounterWork->execute( )	../Util.php:133
18	0.3479	6229720	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3479	6229904	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3479	6229976	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3480	6231912	PoolCounterWork->execute( )	../Util.php:129
22	0.3480	6232560	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3480	6232744	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3480	6232864	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3500	6347096	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3501	6351032	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3501	6351312	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3502	6352616	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3502	6353008	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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3601	6276328	OutputPage->output( )	../MediaWiki.php:583
5	0.3603	6282784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3604	6284080	WebResponse->header( )	../OutputPage.php:2134
7	0.3604	6284224	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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3601	6276328	OutputPage->output( )	../MediaWiki.php:583
5	0.3603	6282784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3611	6292112	WebResponse->header( )	../OutputPage.php:2171
7	0.3611	6292256	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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3601	6276328	OutputPage->output( )	../MediaWiki.php:583
5	0.3603	6282784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3616	6292056	WebResponse->header( )	../OutputPage.php:2172
7	0.3616	6292200	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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3601	6276328	OutputPage->output( )	../MediaWiki.php:583
5	0.3621	6292056	WebResponse->header( )	../OutputPage.php:2220
6	0.3621	6292200	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	0.0386	3375880	MediaWiki->run( )	../index.php:46
3	0.0386	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3601	6276328	OutputPage->output( )	../MediaWiki.php:583
5	0.3627	6292216	WebResponse->header( )	../OutputPage.php:2227
6	0.3627	6292360	header ( )	../WebResponse.php:37