( ! ) Warning: Search backend error during near_match search for '3.12.148.187' after 2. 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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0267	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0457	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0462	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0462	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0998	5795600	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1065	5801880	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1065	5802632	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1088	5817632	Hooks::run( )	../SearchEngine.php:231
12	0.1088	5819232	call_user_func_array ( )	../Hooks.php:209
13	0.1088	5819936	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1091	5893960	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1095	5940000	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1115	6175008	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1116	6206616	PoolCounterWork->execute( )	../Util.php:133
18	0.1117	6230872	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1117	6231056	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1117	6231128	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1118	6233064	PoolCounterWork->execute( )	../Util.php:129
22	0.1118	6233712	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1118	6233896	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1118	6234016	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1134	6348120	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1135	6352056	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1135	6352336	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1136	6353640	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1136	6354032	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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6277312	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6283768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1155	6285064	WebResponse->header( )	../OutputPage.php:2134
7	0.1155	6285208	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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6277312	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6283768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1161	6293096	WebResponse->header( )	../OutputPage.php:2171
7	0.1161	6293240	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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6277312	OutputPage->output( )	../MediaWiki.php:583
5	0.1154	6283768	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1166	6293040	WebResponse->header( )	../OutputPage.php:2172
7	0.1166	6293184	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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6277312	OutputPage->output( )	../MediaWiki.php:583
5	0.1171	6293040	WebResponse->header( )	../OutputPage.php:2220
6	0.1171	6293184	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	233928	{main}( )	../index.php:0
2	0.0096	3375864	MediaWiki->run( )	../index.php:46
3	0.0096	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1152	6277312	OutputPage->output( )	../MediaWiki.php:583
5	0.1177	6293200	WebResponse->header( )	../OutputPage.php:2227
6	0.1177	6293344	header ( )	../WebResponse.php:37