( ! ) Warning: Search backend error during near_match search for '18.116.239.195' 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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.0214	3553072	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0368	4380760	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0373	4434688	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0373	4435056	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0834	5796896	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0887	5802696	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0887	5803448	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0911	5818440	Hooks::run( )	../SearchEngine.php:231
12	0.0911	5820040	call_user_func_array ( )	../Hooks.php:209
13	0.0911	5820744	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0917	5894776	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0926	5940800	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0962	6175848	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0965	6207440	PoolCounterWork->execute( )	../Util.php:133
18	0.0966	6231696	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0966	6231880	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0966	6231952	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0967	6233888	PoolCounterWork->execute( )	../Util.php:129
22	0.0967	6234536	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0967	6234720	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0967	6234840	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1030	6349104	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1032	6353040	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1032	6353320	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1033	6354624	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1033	6355016	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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.1052	6278336	OutputPage->output( )	../MediaWiki.php:583
5	0.1054	6284792	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1056	6286088	WebResponse->header( )	../OutputPage.php:2134
7	0.1056	6286232	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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.1052	6278336	OutputPage->output( )	../MediaWiki.php:583
5	0.1054	6284792	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1062	6294120	WebResponse->header( )	../OutputPage.php:2171
7	0.1062	6294264	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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.1052	6278336	OutputPage->output( )	../MediaWiki.php:583
5	0.1054	6284792	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1068	6294064	WebResponse->header( )	../OutputPage.php:2172
7	0.1068	6294208	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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.1052	6278336	OutputPage->output( )	../MediaWiki.php:583
5	0.1072	6294064	WebResponse->header( )	../OutputPage.php:2220
6	0.1072	6294208	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	235248	{main}( )	../index.php:0
2	0.0121	3377528	MediaWiki->run( )	../index.php:46
3	0.0122	3378936	MediaWiki->main( )	../MediaWiki.php:424
4	0.1052	6278336	OutputPage->output( )	../MediaWiki.php:583
5	0.1078	6294224	WebResponse->header( )	../OutputPage.php:2227
6	0.1078	6294368	header ( )	../WebResponse.php:37