( ! ) Warning: Search backend error during near_match search for '52.15.37.74' after 7. 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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.0284	3553384	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0437	4380880	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0442	4434744	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0442	4435112	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0898	5797688	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0956	5803944	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0956	5804696	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0981	5819696	Hooks::run( )	../SearchEngine.php:231
12	0.0982	5821296	call_user_func_array ( )	../Hooks.php:209
13	0.0982	5822000	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0989	5896024	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0999	5942072	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1031	6177128	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1033	6208736	PoolCounterWork->execute( )	../Util.php:133
18	0.1035	6232992	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1035	6233176	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1035	6233248	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1035	6235184	PoolCounterWork->execute( )	../Util.php:129
22	0.1035	6235832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1035	6236016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1035	6236136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1101	6350384	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1103	6354312	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1103	6354592	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1103	6355880	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1103	6356272	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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1122	6279608	OutputPage->output( )	../MediaWiki.php:583
5	0.1124	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1125	6287352	WebResponse->header( )	../OutputPage.php:2134
7	0.1125	6287496	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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1122	6279608	OutputPage->output( )	../MediaWiki.php:583
5	0.1124	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1131	6295384	WebResponse->header( )	../OutputPage.php:2171
7	0.1131	6295528	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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1122	6279608	OutputPage->output( )	../MediaWiki.php:583
5	0.1124	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1136	6295328	WebResponse->header( )	../OutputPage.php:2172
7	0.1136	6295472	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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1122	6279608	OutputPage->output( )	../MediaWiki.php:583
5	0.1142	6295328	WebResponse->header( )	../OutputPage.php:2220
6	0.1142	6295472	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	235216	{main}( )	../index.php:0
2	0.0201	3377848	MediaWiki->run( )	../index.php:46
3	0.0201	3379256	MediaWiki->main( )	../MediaWiki.php:424
4	0.1122	6279608	OutputPage->output( )	../MediaWiki.php:583
5	0.1147	6295488	WebResponse->header( )	../OutputPage.php:2227
6	0.1147	6295632	header ( )	../WebResponse.php:37