( ! ) Warning: Search backend error during near_match search for '3.21.244.240' 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	0.0000	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0165	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0306	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0311	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0312	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0739	5796560	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0789	5802816	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0789	5803568	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0811	5818568	Hooks::run( )	../SearchEngine.php:231
12	0.0812	5820168	call_user_func_array ( )	../Hooks.php:209
13	0.0812	5820872	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0817	5894912	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0823	5940936	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0848	6176040	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0850	6208816	PoolCounterWork->execute( )	../Util.php:133
18	0.0852	6233288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0852	6233472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0852	6233544	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0852	6235512	PoolCounterWork->execute( )	../Util.php:129
22	0.0852	6236160	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0852	6236344	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0852	6236464	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0912	6350744	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0914	6354680	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0914	6354960	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0914	6356264	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0915	6356656	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	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0931	6279880	OutputPage->output( )	../MediaWiki.php:583
5	0.0933	6286336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0934	6287632	WebResponse->header( )	../OutputPage.php:2134
7	0.0934	6287776	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	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0931	6279880	OutputPage->output( )	../MediaWiki.php:583
5	0.0933	6286336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0939	6295664	WebResponse->header( )	../OutputPage.php:2171
7	0.0939	6295808	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	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0931	6279880	OutputPage->output( )	../MediaWiki.php:583
5	0.0933	6286336	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0944	6295608	WebResponse->header( )	../OutputPage.php:2172
7	0.0944	6295752	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	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0931	6279880	OutputPage->output( )	../MediaWiki.php:583
5	0.0949	6295608	WebResponse->header( )	../OutputPage.php:2220
6	0.0949	6295752	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	233960	{main}( )	../index.php:0
2	0.0092	3376416	MediaWiki->run( )	../index.php:46
3	0.0092	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0931	6279880	OutputPage->output( )	../MediaWiki.php:583
5	0.0954	6295768	WebResponse->header( )	../OutputPage.php:2227
6	0.0954	6295912	header ( )	../WebResponse.php:37