( ! ) Warning: Search backend error during near_match search for '3.12.151.20' after 11. 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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.0950	3559176	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1413	4386816	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1417	4440688	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1417	4441056	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3001	5802656	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3156	5808888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3156	5809640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3930	5824640	Hooks::run( )	../SearchEngine.php:231
12	0.3930	5826240	call_user_func_array ( )	../Hooks.php:209
13	0.3930	5826944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3948	5900968	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3952	5946992	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4003	6182080	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4005	6214848	PoolCounterWork->execute( )	../Util.php:133
18	0.4006	6239288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4006	6239472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4006	6239544	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4007	6241512	PoolCounterWork->execute( )	../Util.php:129
22	0.4007	6242160	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4007	6242344	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4007	6242464	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4119	6356776	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4120	6360712	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4120	6360992	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4122	6362296	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4122	6362688	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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.4139	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.4141	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4142	6293664	WebResponse->header( )	../OutputPage.php:2134
7	0.4142	6293808	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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.4139	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.4141	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4265	6301696	WebResponse->header( )	../OutputPage.php:2171
7	0.4265	6301840	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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.4139	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.4141	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4270	6301640	WebResponse->header( )	../OutputPage.php:2172
7	0.4270	6301784	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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.4139	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.4275	6301640	WebResponse->header( )	../OutputPage.php:2220
6	0.4275	6301784	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	238696	{main}( )	../index.php:0
2	0.0129	3383496	MediaWiki->run( )	../index.php:46
3	0.0129	3384904	MediaWiki->main( )	../MediaWiki.php:424
4	0.4139	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.4281	6301792	WebResponse->header( )	../OutputPage.php:2227
6	0.4281	6301936	header ( )	../WebResponse.php:37