( ! ) Warning: Search backend error during near_match search for '18.116.14.66' after 8. 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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0174	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0318	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0322	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0323	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0745	5794632	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0798	5800888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0798	5801640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0820	5816640	Hooks::run( )	../SearchEngine.php:231
12	0.0821	5818240	call_user_func_array ( )	../Hooks.php:209
13	0.0821	5818944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0826	5892976	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0833	5939016	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0862	6174064	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0865	6205648	PoolCounterWork->execute( )	../Util.php:133
18	0.0867	6229904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0867	6230088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0867	6230160	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0867	6232096	PoolCounterWork->execute( )	../Util.php:129
22	0.0867	6232744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0867	6232928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0867	6233048	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0946	6347328	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0948	6351264	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0948	6351544	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0949	6352848	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0949	6353240	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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0966	6276552	OutputPage->output( )	../MediaWiki.php:583
5	0.0968	6283008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0969	6284304	WebResponse->header( )	../OutputPage.php:2134
7	0.0969	6284448	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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0966	6276552	OutputPage->output( )	../MediaWiki.php:583
5	0.0968	6283008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0976	6292336	WebResponse->header( )	../OutputPage.php:2171
7	0.0976	6292480	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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0966	6276552	OutputPage->output( )	../MediaWiki.php:583
5	0.0968	6283008	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0981	6292280	WebResponse->header( )	../OutputPage.php:2172
7	0.0981	6292424	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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0966	6276552	OutputPage->output( )	../MediaWiki.php:583
5	0.0985	6292280	WebResponse->header( )	../OutputPage.php:2220
6	0.0985	6292424	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	0.0095	3375864	MediaWiki->run( )	../index.php:46
3	0.0095	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0966	6276552	OutputPage->output( )	../MediaWiki.php:583
5	0.0991	6292440	WebResponse->header( )	../OutputPage.php:2227
6	0.0991	6292584	header ( )	../WebResponse.php:37