( ! ) Warning: Search backend error during near_match search for '18.221.52.104' after 15. 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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.1027	3559552	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1635	4387040	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1639	4440976	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1639	4441344	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2641	5804032	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2894	5809744	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2894	5810496	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2919	5825496	Hooks::run( )	../SearchEngine.php:231
12	0.2924	5827096	call_user_func_array ( )	../Hooks.php:209
13	0.2924	5827800	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2927	5901848	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2931	5947888	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3049	6182984	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3051	6214592	PoolCounterWork->execute( )	../Util.php:133
18	0.3052	6238848	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3052	6239032	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3052	6239104	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3052	6241040	PoolCounterWork->execute( )	../Util.php:129
22	0.3053	6241688	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3053	6241872	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3053	6241992	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3206	6356240	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3207	6360192	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3207	6360472	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3208	6361776	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3208	6362168	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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3235	6285440	OutputPage->output( )	../MediaWiki.php:583
5	0.3238	6291896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3239	6293192	WebResponse->header( )	../OutputPage.php:2134
7	0.3239	6293336	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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3235	6285440	OutputPage->output( )	../MediaWiki.php:583
5	0.3238	6291896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3246	6301224	WebResponse->header( )	../OutputPage.php:2171
7	0.3246	6301368	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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3235	6285440	OutputPage->output( )	../MediaWiki.php:583
5	0.3238	6291896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3251	6301168	WebResponse->header( )	../OutputPage.php:2172
7	0.3251	6301312	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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3235	6285440	OutputPage->output( )	../MediaWiki.php:583
5	0.3256	6301168	WebResponse->header( )	../OutputPage.php:2220
6	0.3256	6301312	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	238760	{main}( )	../index.php:0
2	0.0479	3383944	MediaWiki->run( )	../index.php:46
3	0.0480	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.3235	6285440	OutputPage->output( )	../MediaWiki.php:583
5	0.3262	6301328	WebResponse->header( )	../OutputPage.php:2227
6	0.3262	6301472	header ( )	../WebResponse.php:37