( ! ) Warning: Search backend error during near_match search for '18.117.194.238' 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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.0473	3964624	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1062	4419360	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1066	4473432	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1067	4473800	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2596	5818248	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2776	5824232	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2776	5824984	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2910	5839976	Hooks::run( )	../SearchEngine.php:231
12	0.2911	5841576	call_user_func_array ( )	../Hooks.php:209
13	0.2911	5842280	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2917	5916312	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2926	5962336	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3050	6197424	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3053	6230192	PoolCounterWork->execute( )	../Util.php:133
18	0.3054	6254632	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3054	6254816	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3054	6254888	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3054	6256856	PoolCounterWork->execute( )	../Util.php:129
22	0.3055	6257504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3055	6257688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3055	6257808	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3206	6372112	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3207	6376048	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3207	6376328	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3208	6377632	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3208	6378024	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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.3227	6301264	OutputPage->output( )	../MediaWiki.php:583
5	0.3229	6307720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3230	6309016	WebResponse->header( )	../OutputPage.php:2134
7	0.3230	6309160	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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.3227	6301264	OutputPage->output( )	../MediaWiki.php:583
5	0.3229	6307720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3237	6317048	WebResponse->header( )	../OutputPage.php:2171
7	0.3237	6317192	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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.3227	6301264	OutputPage->output( )	../MediaWiki.php:583
5	0.3229	6307720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3242	6316992	WebResponse->header( )	../OutputPage.php:2172
7	0.3242	6317136	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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.3227	6301264	OutputPage->output( )	../MediaWiki.php:583
5	0.3247	6316992	WebResponse->header( )	../OutputPage.php:2220
6	0.3247	6317136	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	240368	{main}( )	../index.php:0
2	0.0278	3789144	MediaWiki->run( )	../index.php:46
3	0.0278	3790552	MediaWiki->main( )	../MediaWiki.php:424
4	0.3227	6301264	OutputPage->output( )	../MediaWiki.php:583
5	0.3254	6317152	WebResponse->header( )	../OutputPage.php:2227
6	0.3254	6317296	header ( )	../WebResponse.php:37