( ! ) Warning: Search backend error during near_match search for '18.217.96.145' after 6. 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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0376	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0535	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0539	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0539	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0980	5794808	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1032	5801064	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1032	5801816	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1055	5816816	Hooks::run( )	../SearchEngine.php:231
12	0.1056	5818416	call_user_func_array ( )	../Hooks.php:209
13	0.1056	5819120	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1060	5893152	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1066	5939176	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1091	6174184	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1094	6205768	PoolCounterWork->execute( )	../Util.php:133
18	0.1096	6230024	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1096	6230208	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1096	6230280	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1097	6232216	PoolCounterWork->execute( )	../Util.php:129
22	0.1097	6232864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1097	6233048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1097	6233168	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1160	6347440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1161	6351376	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1161	6351656	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1162	6352960	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1162	6353352	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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1182	6276664	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6283120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1185	6284416	WebResponse->header( )	../OutputPage.php:2134
7	0.1185	6284560	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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1182	6276664	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6283120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1192	6292448	WebResponse->header( )	../OutputPage.php:2171
7	0.1192	6292592	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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1182	6276664	OutputPage->output( )	../MediaWiki.php:583
5	0.1184	6283120	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1197	6292392	WebResponse->header( )	../OutputPage.php:2172
7	0.1197	6292536	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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1182	6276664	OutputPage->output( )	../MediaWiki.php:583
5	0.1201	6292392	WebResponse->header( )	../OutputPage.php:2220
6	0.1201	6292536	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	0.0001	233960	{main}( )	../index.php:0
2	0.0266	3375880	MediaWiki->run( )	../index.php:46
3	0.0267	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1182	6276664	OutputPage->output( )	../MediaWiki.php:583
5	0.1207	6292552	WebResponse->header( )	../OutputPage.php:2227
6	0.1207	6292696	header ( )	../WebResponse.php:37