( ! ) Warning: Search backend error during near_match search for '18.119.142.21' after 15. 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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0545	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1640	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1645	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1645	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2891	5794808	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3002	5801064	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3002	5801816	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3090	5816816	Hooks::run( )	../SearchEngine.php:231
12	0.3092	5818416	call_user_func_array ( )	../Hooks.php:209
13	0.3092	5819120	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3098	5893152	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3109	5939176	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3158	6174232	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3161	6205824	PoolCounterWork->execute( )	../Util.php:133
18	0.3163	6230080	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3163	6230264	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3163	6230336	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3164	6232272	PoolCounterWork->execute( )	../Util.php:129
22	0.3164	6232920	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3164	6233104	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3164	6233224	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3311	6347480	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3312	6351416	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3312	6351696	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3314	6353000	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3314	6353392	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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3337	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.3339	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3340	6284456	WebResponse->header( )	../OutputPage.php:2134
7	0.3340	6284600	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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3337	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.3339	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3347	6292488	WebResponse->header( )	../OutputPage.php:2171
7	0.3347	6292632	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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3337	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.3339	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3352	6292432	WebResponse->header( )	../OutputPage.php:2172
7	0.3352	6292576	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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3337	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.3357	6292432	WebResponse->header( )	../OutputPage.php:2220
6	0.3357	6292576	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	0.0275	3375880	MediaWiki->run( )	../index.php:46
3	0.0275	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.3337	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.3364	6292592	WebResponse->header( )	../OutputPage.php:2227
6	0.3364	6292736	header ( )	../WebResponse.php:37