( ! ) Warning: Search backend error during near_match search for '18.116.51.117' after 7. 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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.0297	3958136	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0413	4412920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0417	4466944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0417	4467312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0865	5812000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0920	5818184	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0920	5818936	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0943	5833936	Hooks::run( )	../SearchEngine.php:231
12	0.0944	5835536	call_user_func_array ( )	../Hooks.php:209
13	0.0944	5836240	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0949	5910296	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0957	5956320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0987	6191352	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0991	6224120	PoolCounterWork->execute( )	../Util.php:133
18	0.0993	6248536	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0993	6248720	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0993	6248792	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0993	6250760	PoolCounterWork->execute( )	../Util.php:129
22	0.0994	6251408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0994	6251592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0994	6251712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1059	6365984	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1061	6369920	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1061	6370200	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1062	6371504	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1062	6371896	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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.1082	6295152	OutputPage->output( )	../MediaWiki.php:583
5	0.1085	6301608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1086	6302904	WebResponse->header( )	../OutputPage.php:2134
7	0.1086	6303048	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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.1082	6295152	OutputPage->output( )	../MediaWiki.php:583
5	0.1085	6301608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1092	6310936	WebResponse->header( )	../OutputPage.php:2171
7	0.1092	6311080	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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.1082	6295152	OutputPage->output( )	../MediaWiki.php:583
5	0.1085	6301608	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1097	6310880	WebResponse->header( )	../OutputPage.php:2172
7	0.1097	6311024	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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.1082	6295152	OutputPage->output( )	../MediaWiki.php:583
5	0.1102	6310880	WebResponse->header( )	../OutputPage.php:2220
6	0.1102	6311024	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	236256	{main}( )	../index.php:0
2	0.0190	3782624	MediaWiki->run( )	../index.php:46
3	0.0190	3784032	MediaWiki->main( )	../MediaWiki.php:424
4	0.1082	6295152	OutputPage->output( )	../MediaWiki.php:583
5	0.1108	6311040	WebResponse->header( )	../OutputPage.php:2227
6	0.1108	6311184	header ( )	../WebResponse.php:37