( ! ) Warning: Search backend error during near_match search for '18.117.142.248' 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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0175	3553472	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0321	4381016	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0326	4434904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0326	4435272	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0765	5798112	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0820	5804368	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0820	5805120	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0845	5820112	Hooks::run( )	../SearchEngine.php:231
12	0.0845	5821712	call_user_func_array ( )	../Hooks.php:209
13	0.0845	5822416	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0852	5896472	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0859	5942512	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0887	6177632	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0889	6209216	PoolCounterWork->execute( )	../Util.php:133
18	0.0891	6233472	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0891	6233656	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0891	6233728	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0891	6235664	PoolCounterWork->execute( )	../Util.php:129
22	0.0891	6236312	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0891	6236496	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0892	6236616	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0956	6350880	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0957	6354816	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0957	6355096	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0958	6356400	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0958	6356792	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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6280080	OutputPage->output( )	../MediaWiki.php:583
5	0.0978	6286536	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0981	6287832	WebResponse->header( )	../OutputPage.php:2134
7	0.0981	6287976	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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6280080	OutputPage->output( )	../MediaWiki.php:583
5	0.0978	6286536	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0988	6295864	WebResponse->header( )	../OutputPage.php:2171
7	0.0988	6296008	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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6280080	OutputPage->output( )	../MediaWiki.php:583
5	0.0978	6286536	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0993	6295808	WebResponse->header( )	../OutputPage.php:2172
7	0.0993	6295952	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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6280080	OutputPage->output( )	../MediaWiki.php:583
5	0.0998	6295808	WebResponse->header( )	../OutputPage.php:2220
6	0.0998	6295952	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	235248	{main}( )	../index.php:0
2	0.0095	3377880	MediaWiki->run( )	../index.php:46
3	0.0095	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0976	6280080	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6295968	WebResponse->header( )	../OutputPage.php:2227
6	0.1003	6296112	header ( )	../WebResponse.php:37