( ! ) Warning: Search backend error during near_match search for '18.191.178.16' 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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.0249	3553304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0400	4380856	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0405	4434768	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0405	4435136	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0844	5797320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0896	5803576	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0896	5804328	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0918	5819328	Hooks::run( )	../SearchEngine.php:231
12	0.0918	5820928	call_user_func_array ( )	../Hooks.php:209
13	0.0918	5821632	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0923	5895664	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0931	5941688	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0960	6176744	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0961	6208328	PoolCounterWork->execute( )	../Util.php:133
18	0.0962	6232584	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0962	6232768	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0962	6232840	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0963	6234776	PoolCounterWork->execute( )	../Util.php:129
22	0.0963	6235424	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0963	6235608	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0963	6235728	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1025	6349984	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1027	6353920	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1027	6354200	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1027	6355504	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1028	6355896	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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1043	6279216	OutputPage->output( )	../MediaWiki.php:583
5	0.1045	6285672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1046	6286968	WebResponse->header( )	../OutputPage.php:2134
7	0.1046	6287112	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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1043	6279216	OutputPage->output( )	../MediaWiki.php:583
5	0.1045	6285672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1052	6295000	WebResponse->header( )	../OutputPage.php:2171
7	0.1052	6295144	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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1043	6279216	OutputPage->output( )	../MediaWiki.php:583
5	0.1045	6285672	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1058	6294944	WebResponse->header( )	../OutputPage.php:2172
7	0.1058	6295088	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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1043	6279216	OutputPage->output( )	../MediaWiki.php:583
5	0.1064	6294944	WebResponse->header( )	../OutputPage.php:2220
6	0.1065	6295088	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	0.0002	235248	{main}( )	../index.php:0
2	0.0170	3377848	MediaWiki->run( )	../index.php:46
3	0.0170	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1043	6279216	OutputPage->output( )	../MediaWiki.php:583
5	0.1070	6295104	WebResponse->header( )	../OutputPage.php:2227
6	0.1070	6295248	header ( )	../WebResponse.php:37