( ! ) Warning: Search backend error during near_match search for '18.219.103.177' after 16. 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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.0425	3559104	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0699	4386688	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0703	4440640	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0703	4441008	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1609	5803544	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1763	5809216	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1763	5809968	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1817	5824960	Hooks::run( )	../SearchEngine.php:231
12	0.1818	5826560	call_user_func_array ( )	../Hooks.php:209
13	0.1818	5827264	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1824	5901296	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1832	5947320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1911	6182408	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1913	6215184	PoolCounterWork->execute( )	../Util.php:133
18	0.1915	6239624	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1915	6239808	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1915	6239880	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1915	6241848	PoolCounterWork->execute( )	../Util.php:129
22	0.1916	6242496	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1916	6242680	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1916	6242800	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2073	6357088	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2074	6361024	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2075	6361304	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2076	6362608	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2076	6363000	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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2096	6286256	OutputPage->output( )	../MediaWiki.php:583
5	0.2099	6292712	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2100	6294008	WebResponse->header( )	../OutputPage.php:2134
7	0.2100	6294152	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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2096	6286256	OutputPage->output( )	../MediaWiki.php:583
5	0.2099	6292712	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2107	6302040	WebResponse->header( )	../OutputPage.php:2171
7	0.2107	6302184	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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2096	6286256	OutputPage->output( )	../MediaWiki.php:583
5	0.2099	6292712	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2115	6301984	WebResponse->header( )	../OutputPage.php:2172
7	0.2115	6302128	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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2096	6286256	OutputPage->output( )	../MediaWiki.php:583
5	0.2120	6301984	WebResponse->header( )	../OutputPage.php:2220
6	0.2120	6302128	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	0.0001	238760	{main}( )	../index.php:0
2	0.0260	3383616	MediaWiki->run( )	../index.php:46
3	0.0261	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2096	6286256	OutputPage->output( )	../MediaWiki.php:583
5	0.2168	6302144	WebResponse->header( )	../OutputPage.php:2227
6	0.2168	6302288	header ( )	../WebResponse.php:37