( ! ) Warning: Search backend error during near_match search for '52.15.253.106' 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	0.0001	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.0320	3964632	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0441	4419360	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0446	4473432	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0446	4473800	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0935	5818008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0986	5824224	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0986	5824976	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1009	5839976	Hooks::run( )	../SearchEngine.php:231
12	0.1010	5841576	call_user_func_array ( )	../Hooks.php:209
13	0.1010	5842280	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1015	5916336	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1024	5962360	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1051	6197472	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1055	6230240	PoolCounterWork->execute( )	../Util.php:133
18	0.1056	6254680	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1056	6254864	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1056	6254936	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1057	6256904	PoolCounterWork->execute( )	../Util.php:129
22	0.1057	6257552	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1057	6257736	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1057	6257856	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1118	6372136	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1119	6376072	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1119	6376352	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1120	6377656	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1120	6378048	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	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6301296	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6307744	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1155	6309040	WebResponse->header( )	../OutputPage.php:2134
7	0.1155	6309184	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	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6301296	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6307744	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1162	6317072	WebResponse->header( )	../OutputPage.php:2171
7	0.1162	6317216	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	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6301296	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6307744	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1167	6317016	WebResponse->header( )	../OutputPage.php:2172
7	0.1167	6317160	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	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6301296	OutputPage->output( )	../MediaWiki.php:583
5	0.1172	6317016	WebResponse->header( )	../OutputPage.php:2220
6	0.1172	6317160	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	240368	{main}( )	../index.php:0
2	0.0230	3789152	MediaWiki->run( )	../index.php:46
3	0.0230	3790560	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6301296	OutputPage->output( )	../MediaWiki.php:583
5	0.1177	6317176	WebResponse->header( )	../OutputPage.php:2227
6	0.1178	6317320	header ( )	../WebResponse.php:37