( ! ) Warning: Search backend error during near_match search for '3.144.222.193' 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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.0246	3551440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0400	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0404	4432944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0405	4433312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0833	5794784	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0883	5801040	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0883	5801792	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0905	5816792	Hooks::run( )	../SearchEngine.php:231
12	0.0906	5818392	call_user_func_array ( )	../Hooks.php:209
13	0.0906	5819096	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0911	5893128	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0918	5939152	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0951	6174200	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0954	6205792	PoolCounterWork->execute( )	../Util.php:133
18	0.0955	6230048	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0955	6230232	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0956	6230304	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0956	6232240	PoolCounterWork->execute( )	../Util.php:129
22	0.0956	6232888	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0956	6233072	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0956	6233192	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1020	6347480	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1021	6351416	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1021	6351696	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1022	6353000	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1022	6353392	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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1040	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.1042	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1043	6284456	WebResponse->header( )	../OutputPage.php:2134
7	0.1043	6284600	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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1040	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.1042	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1049	6292488	WebResponse->header( )	../OutputPage.php:2171
7	0.1049	6292632	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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1040	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.1042	6283160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1054	6292432	WebResponse->header( )	../OutputPage.php:2172
7	0.1054	6292576	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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1040	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.1058	6292432	WebResponse->header( )	../OutputPage.php:2220
6	0.1058	6292576	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	233960	{main}( )	../index.php:0
2	0.0153	3375896	MediaWiki->run( )	../index.php:46
3	0.0154	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1040	6276704	OutputPage->output( )	../MediaWiki.php:583
5	0.1065	6292592	WebResponse->header( )	../OutputPage.php:2227
6	0.1065	6292736	header ( )	../WebResponse.php:37