( ! ) Warning: Search backend error during near_match search for '13.58.121.214' 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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0229	3957496	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0345	4412216	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0350	4466256	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0351	4466624	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0754	5811248	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0807	5817104	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0807	5817856	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0829	5832856	Hooks::run( )	../SearchEngine.php:231
12	0.0829	5834456	call_user_func_array ( )	../Hooks.php:209
13	0.0829	5835160	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0837	5909232	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0846	5955256	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0879	6190400	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0882	6221984	PoolCounterWork->execute( )	../Util.php:133
18	0.0884	6246240	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0884	6246424	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0884	6246496	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0884	6248432	PoolCounterWork->execute( )	../Util.php:129
22	0.0884	6249080	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0884	6249264	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0884	6249384	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0949	6363672	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0951	6367608	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0951	6367888	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0952	6369192	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0952	6369584	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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6292872	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6299328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0974	6300624	WebResponse->header( )	../OutputPage.php:2134
7	0.0974	6300768	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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6292872	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6299328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0981	6308656	WebResponse->header( )	../OutputPage.php:2171
7	0.0981	6308800	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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6292872	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6299328	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0986	6308600	WebResponse->header( )	../OutputPage.php:2172
7	0.0986	6308744	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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6292872	OutputPage->output( )	../MediaWiki.php:583
5	0.0991	6308600	WebResponse->header( )	../OutputPage.php:2220
6	0.0991	6308744	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	235760	{main}( )	../index.php:0
2	0.0153	3781968	MediaWiki->run( )	../index.php:46
3	0.0153	3783376	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6292872	OutputPage->output( )	../MediaWiki.php:583
5	0.0996	6308760	WebResponse->header( )	../OutputPage.php:2227
6	0.0996	6308904	header ( )	../WebResponse.php:37