( ! ) Warning: Search backend error during near_match search for '216.73.216.170' after 15. 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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.0371	3958168	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0825	4412848	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0829	4466920	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0829	4467288	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2586	5811208	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2733	5817048	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2733	5817800	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2760	5832792	Hooks::run( )	../SearchEngine.php:231
12	0.2761	5834392	call_user_func_array ( )	../Hooks.php:209
13	0.2761	5835096	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2765	5909144	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2771	5955168	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2839	6190232	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2845	6221816	PoolCounterWork->execute( )	../Util.php:133
18	0.2846	6246072	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2847	6246256	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2847	6246328	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2847	6248264	PoolCounterWork->execute( )	../Util.php:129
22	0.2847	6248912	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2847	6249096	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2847	6249216	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2994	6363472	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2996	6367408	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2996	6367688	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2997	6368992	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2997	6369384	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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3018	6292672	OutputPage->output( )	../MediaWiki.php:583
5	0.3021	6299128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3022	6300424	WebResponse->header( )	../OutputPage.php:2134
7	0.3022	6300568	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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3018	6292672	OutputPage->output( )	../MediaWiki.php:583
5	0.3021	6299128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3083	6308456	WebResponse->header( )	../OutputPage.php:2171
7	0.3083	6308600	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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3018	6292672	OutputPage->output( )	../MediaWiki.php:583
5	0.3021	6299128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3088	6308400	WebResponse->header( )	../OutputPage.php:2172
7	0.3088	6308544	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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3018	6292672	OutputPage->output( )	../MediaWiki.php:583
5	0.3093	6308400	WebResponse->header( )	../OutputPage.php:2220
6	0.3093	6308544	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	235872	{main}( )	../index.php:0
2	0.0231	3782616	MediaWiki->run( )	../index.php:46
3	0.0231	3784024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3018	6292672	OutputPage->output( )	../MediaWiki.php:583
5	0.3099	6308560	WebResponse->header( )	../OutputPage.php:2227
6	0.3099	6308704	header ( )	../WebResponse.php:37