( ! ) Warning: Search backend error during near_match search for '52.15.42.61' 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	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.0190	3599080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0331	4412576	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0335	4466568	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0336	4466936	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0859	5794168	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0916	5800352	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0916	5801104	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0939	5816104	Hooks::run( )	../SearchEngine.php:231
12	0.0939	5817704	call_user_func_array ( )	../Hooks.php:209
13	0.0939	5818408	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0944	5892456	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0951	5938480	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0982	6173584	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0984	6206376	PoolCounterWork->execute( )	../Util.php:133
18	0.0985	6230848	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0985	6231032	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0986	6231104	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0986	6233072	PoolCounterWork->execute( )	../Util.php:129
22	0.0986	6233720	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0986	6233904	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0986	6234024	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1051	6348304	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1052	6352232	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1052	6352512	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1053	6353800	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1053	6354192	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	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1069	6277416	OutputPage->output( )	../MediaWiki.php:583
5	0.1071	6283864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1072	6285160	WebResponse->header( )	../OutputPage.php:2134
7	0.1072	6285304	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	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1069	6277416	OutputPage->output( )	../MediaWiki.php:583
5	0.1071	6283864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1119	6293192	WebResponse->header( )	../OutputPage.php:2171
7	0.1119	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	0.0001	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1069	6277416	OutputPage->output( )	../MediaWiki.php:583
5	0.1071	6283864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1124	6293136	WebResponse->header( )	../OutputPage.php:2172
7	0.1124	6293280	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	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1069	6277416	OutputPage->output( )	../MediaWiki.php:583
5	0.1129	6293136	WebResponse->header( )	../OutputPage.php:2220
6	0.1129	6293280	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	232168	{main}( )	../index.php:0
2	0.0104	3374064	MediaWiki->run( )	../index.php:46
3	0.0105	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1069	6277416	OutputPage->output( )	../MediaWiki.php:583
5	0.1135	6293288	WebResponse->header( )	../OutputPage.php:2227
6	0.1135	6293432	header ( )	../WebResponse.php:37