( ! ) Warning: Search backend error during near_match search for '18.221.188.222' after 40. 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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1897	3553472	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4672	4381016	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4677	4434904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4677	4435272	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.1662	5798072	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.2505	5804328	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.2505	5805080	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.2754	5820072	Hooks::run( )	../SearchEngine.php:231
12	1.2754	5821672	call_user_func_array ( )	../Hooks.php:209
13	1.2754	5822376	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.2759	5896416	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.2766	5942448	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.3431	6177504	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.3434	6209088	PoolCounterWork->execute( )	../Util.php:133
18	1.3435	6233344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.3435	6233528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.3435	6233600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.3436	6235536	PoolCounterWork->execute( )	../Util.php:129
22	1.3436	6236184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.3436	6236368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.3436	6236488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.3839	6350720	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.3840	6354656	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.3840	6354936	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.3841	6356240	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.3842	6356632	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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	1.3859	6279952	OutputPage->output( )	../MediaWiki.php:583
5	1.4564	6286408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4565	6287704	WebResponse->header( )	../OutputPage.php:2134
7	1.4565	6287848	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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	1.3859	6279952	OutputPage->output( )	../MediaWiki.php:583
5	1.4564	6286408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4605	6295736	WebResponse->header( )	../OutputPage.php:2171
7	1.4605	6295880	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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	1.3859	6279952	OutputPage->output( )	../MediaWiki.php:583
5	1.4564	6286408	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.4610	6295680	WebResponse->header( )	../OutputPage.php:2172
7	1.4610	6295824	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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	1.3859	6279952	OutputPage->output( )	../MediaWiki.php:583
5	1.4764	6295680	WebResponse->header( )	../OutputPage.php:2220
6	1.4764	6295824	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	0.0435	3377880	MediaWiki->run( )	../index.php:46
3	0.0435	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	1.3859	6279952	OutputPage->output( )	../MediaWiki.php:583
5	1.4770	6295840	WebResponse->header( )	../OutputPage.php:2227
6	1.4770	6295984	header ( )	../WebResponse.php:37