( ! ) Warning: Search backend error during near_match search for '3.138.174.18' 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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0200	3599096	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0348	4412504	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0352	4466464	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0352	4466832	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0778	5794320	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0848	5800600	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0848	5801352	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0871	5816352	Hooks::run( )	../SearchEngine.php:231
12	0.0871	5817952	call_user_func_array ( )	../Hooks.php:209
13	0.0871	5818656	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0876	5892680	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0882	5938704	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0906	6173760	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0909	6205344	PoolCounterWork->execute( )	../Util.php:133
18	0.0911	6229600	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0911	6229784	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0911	6229856	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0911	6231792	PoolCounterWork->execute( )	../Util.php:129
22	0.0911	6232440	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0911	6232624	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0911	6232744	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0974	6346992	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0975	6350928	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0975	6351208	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0976	6352512	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0976	6352904	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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6276200	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6282656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1004	6283952	WebResponse->header( )	../OutputPage.php:2134
7	0.1004	6284096	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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6276200	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6282656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1010	6291984	WebResponse->header( )	../OutputPage.php:2171
7	0.1010	6292128	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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6276200	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6282656	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1015	6291928	WebResponse->header( )	../OutputPage.php:2172
7	0.1015	6292072	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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6276200	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6291928	WebResponse->header( )	../OutputPage.php:2220
6	0.1020	6292072	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	232200	{main}( )	../index.php:0
2	0.0102	3374112	MediaWiki->run( )	../index.php:46
3	0.0102	3375520	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6276200	OutputPage->output( )	../MediaWiki.php:583
5	0.1026	6292088	WebResponse->header( )	../OutputPage.php:2227
6	0.1026	6292232	header ( )	../WebResponse.php:37