( ! ) Warning: Search backend error during near_match search for '3.17.166.233' 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	0.0000	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0220	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0358	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0363	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0363	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0778	5795864	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0827	5802120	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0827	5802872	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0848	5817872	Hooks::run( )	../SearchEngine.php:231
12	0.0849	5819472	call_user_func_array ( )	../Hooks.php:209
13	0.0849	5820176	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0854	5894200	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0860	5940240	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0886	6175288	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0889	6206872	PoolCounterWork->execute( )	../Util.php:133
18	0.0891	6231128	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0891	6231312	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0891	6231384	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0891	6233320	PoolCounterWork->execute( )	../Util.php:129
22	0.0891	6233968	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0891	6234152	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0891	6234272	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0955	6348552	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0956	6352488	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0956	6352768	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0957	6354072	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0958	6354464	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	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6277784	OutputPage->output( )	../MediaWiki.php:583
5	0.0979	6284240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0980	6285536	WebResponse->header( )	../OutputPage.php:2134
7	0.0980	6285680	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	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6277784	OutputPage->output( )	../MediaWiki.php:583
5	0.0979	6284240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0986	6293568	WebResponse->header( )	../OutputPage.php:2171
7	0.0987	6293712	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	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6277784	OutputPage->output( )	../MediaWiki.php:583
5	0.0979	6284240	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0992	6293512	WebResponse->header( )	../OutputPage.php:2172
7	0.0992	6293656	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	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6277784	OutputPage->output( )	../MediaWiki.php:583
5	0.0996	6293512	WebResponse->header( )	../OutputPage.php:2220
6	0.0996	6293656	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	233960	{main}( )	../index.php:0
2	0.0118	3376416	MediaWiki->run( )	../index.php:46
3	0.0118	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6277784	OutputPage->output( )	../MediaWiki.php:583
5	0.1002	6293672	WebResponse->header( )	../OutputPage.php:2227
6	0.1002	6293816	header ( )	../WebResponse.php:37