( ! ) Warning: Search backend error during near_match search for '18.191.237.131' after 26. 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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0656	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1470	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1474	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1474	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3581	5794424	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3881	5800656	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3881	5801408	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4112	5816400	Hooks::run( )	../SearchEngine.php:231
12	0.4112	5818000	call_user_func_array ( )	../Hooks.php:209
13	0.4112	5818704	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4116	5892736	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4124	5938776	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4327	6173832	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4329	6205432	PoolCounterWork->execute( )	../Util.php:133
18	0.4330	6229688	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4330	6229872	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4330	6229944	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4330	6231880	PoolCounterWork->execute( )	../Util.php:129
22	0.4330	6232528	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4330	6232712	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4330	6232832	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4593	6347064	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4594	6351000	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4594	6351280	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4595	6352584	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4595	6352976	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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4613	6276296	OutputPage->output( )	../MediaWiki.php:583
5	0.4615	6282752	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4616	6284048	WebResponse->header( )	../OutputPage.php:2134
7	0.4616	6284192	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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4613	6276296	OutputPage->output( )	../MediaWiki.php:583
5	0.4615	6282752	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4938	6292080	WebResponse->header( )	../OutputPage.php:2171
7	0.4938	6292224	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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4613	6276296	OutputPage->output( )	../MediaWiki.php:583
5	0.4615	6282752	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4943	6292024	WebResponse->header( )	../OutputPage.php:2172
7	0.4943	6292168	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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4613	6276296	OutputPage->output( )	../MediaWiki.php:583
5	0.5022	6292024	WebResponse->header( )	../OutputPage.php:2220
6	0.5022	6292168	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	0.0175	3375880	MediaWiki->run( )	../index.php:46
3	0.0175	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.4613	6276296	OutputPage->output( )	../MediaWiki.php:583
5	0.5029	6292184	WebResponse->header( )	../OutputPage.php:2227
6	0.5029	6292328	header ( )	../WebResponse.php:37