( ! ) Warning: Search backend error during near_match search for '3.137.173.98' after 7. 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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0254	3553424	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0399	4380992	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0403	4434904	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0403	4435272	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0822	5797984	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0872	5803808	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0872	5804560	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0893	5819560	Hooks::run( )	../SearchEngine.php:231
12	0.0894	5821160	call_user_func_array ( )	../Hooks.php:209
13	0.0894	5821864	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0900	5895912	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0908	5941936	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0943	6177048	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0946	6209816	PoolCounterWork->execute( )	../Util.php:133
18	0.0949	6234288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0949	6234472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0949	6234544	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0949	6236512	PoolCounterWork->execute( )	../Util.php:129
22	0.0950	6237160	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0950	6237344	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0950	6237464	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1015	6351752	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1017	6355688	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1017	6355968	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1018	6357272	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1018	6357664	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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1036	6280888	OutputPage->output( )	../MediaWiki.php:583
5	0.1038	6287344	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1039	6288640	WebResponse->header( )	../OutputPage.php:2134
7	0.1039	6288784	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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1036	6280888	OutputPage->output( )	../MediaWiki.php:583
5	0.1038	6287344	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1045	6296672	WebResponse->header( )	../OutputPage.php:2171
7	0.1045	6296816	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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1036	6280888	OutputPage->output( )	../MediaWiki.php:583
5	0.1038	6287344	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1050	6296616	WebResponse->header( )	../OutputPage.php:2172
7	0.1050	6296760	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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1036	6280888	OutputPage->output( )	../MediaWiki.php:583
5	0.1054	6296616	WebResponse->header( )	../OutputPage.php:2220
6	0.1055	6296760	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	0.0002	235248	{main}( )	../index.php:0
2	0.0160	3377880	MediaWiki->run( )	../index.php:46
3	0.0160	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1036	6280888	OutputPage->output( )	../MediaWiki.php:583
5	0.1061	6296776	WebResponse->header( )	../OutputPage.php:2227
6	0.1061	6296920	header ( )	../WebResponse.php:37