( ! ) Warning: Search backend error during near_match search for '3.12.162.37' after 69. 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	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0801	3553512	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1386	4381120	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1392	4434992	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1392	4435360	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.6669	5798144	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.7317	5803944	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.7317	5804696	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.7532	5819696	Hooks::run( )	../SearchEngine.php:231
12	0.7533	5821296	call_user_func_array ( )	../Hooks.php:209
13	0.7533	5822000	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.7538	5896048	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.7664	5942088	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.7897	6177192	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.7900	6208776	PoolCounterWork->execute( )	../Util.php:133
18	0.7902	6233032	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.7902	6233216	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.7902	6233288	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.7903	6235224	PoolCounterWork->execute( )	../Util.php:129
22	0.7903	6235872	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.7903	6236056	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.7903	6236176	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.8593	6350408	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.8595	6354344	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.8595	6354624	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.8596	6355928	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.8596	6356320	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	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8754	6279600	OutputPage->output( )	../MediaWiki.php:583
5	0.8756	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8757	6287352	WebResponse->header( )	../OutputPage.php:2134
7	0.8757	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	0.0000	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8754	6279600	OutputPage->output( )	../MediaWiki.php:583
5	0.8756	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8765	6295384	WebResponse->header( )	../OutputPage.php:2171
7	0.8765	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	0.0000	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8754	6279600	OutputPage->output( )	../MediaWiki.php:583
5	0.8756	6286056	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8835	6295328	WebResponse->header( )	../OutputPage.php:2172
7	0.8835	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	0.0000	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8754	6279600	OutputPage->output( )	../MediaWiki.php:583
5	0.8840	6295328	WebResponse->header( )	../OutputPage.php:2220
6	0.8840	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	0.0000	235216	{main}( )	../index.php:0
2	0.0226	3377864	MediaWiki->run( )	../index.php:46
3	0.0226	3379272	MediaWiki->main( )	../MediaWiki.php:424
4	0.8754	6279600	OutputPage->output( )	../MediaWiki.php:583
5	0.9011	6295488	WebResponse->header( )	../OutputPage.php:2227
6	0.9011	6295632	header ( )	../WebResponse.php:37