( ! ) Warning: Search backend error during near_match search for '18.191.147.190' 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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.0283	3959136	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0399	4413904	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0403	4467896	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0403	4468264	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0812	5812680	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0867	5818896	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0867	5819648	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0892	5834640	Hooks::run( )	../SearchEngine.php:231
12	0.0892	5836240	call_user_func_array ( )	../Hooks.php:209
13	0.0892	5836944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0898	5911000	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0905	5957024	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0931	6192088	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0934	6223672	PoolCounterWork->execute( )	../Util.php:133
18	0.0935	6247928	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0935	6248112	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0935	6248184	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0936	6250120	PoolCounterWork->execute( )	../Util.php:129
22	0.0936	6250768	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0936	6250952	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0936	6251072	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0997	6365336	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0999	6369272	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0999	6369552	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1000	6370856	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1000	6371248	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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6294568	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6301024	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1021	6302320	WebResponse->header( )	../OutputPage.php:2134
7	0.1021	6302464	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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6294568	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6301024	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1027	6310352	WebResponse->header( )	../OutputPage.php:2171
7	0.1027	6310496	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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6294568	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6301024	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1034	6310296	WebResponse->header( )	../OutputPage.php:2172
7	0.1034	6310440	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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6294568	OutputPage->output( )	../MediaWiki.php:583
5	0.1040	6310296	WebResponse->header( )	../OutputPage.php:2220
6	0.1040	6310440	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	235872	{main}( )	../index.php:0
2	0.0177	3783592	MediaWiki->run( )	../index.php:46
3	0.0178	3785000	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6294568	OutputPage->output( )	../MediaWiki.php:583
5	0.1046	6310456	WebResponse->header( )	../OutputPage.php:2227
6	0.1046	6310600	header ( )	../WebResponse.php:37