( ! ) Warning: Search backend error during near_match search for '3.138.178.231' 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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.0558	3559344	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0835	4386904	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0866	4440824	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0866	4441192	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2186	5802104	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2552	5808336	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2552	5809088	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2680	5824088	Hooks::run( )	../SearchEngine.php:231
12	0.2681	5825688	call_user_func_array ( )	../Hooks.php:209
13	0.2681	5826392	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2687	5900424	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2694	5946448	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2879	6181472	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2882	6214240	PoolCounterWork->execute( )	../Util.php:133
18	0.2883	6238656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2883	6238840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2883	6238912	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2884	6240880	PoolCounterWork->execute( )	../Util.php:129
22	0.2884	6241528	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2884	6241712	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2884	6241832	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2961	6356080	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2962	6360016	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2962	6360296	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2963	6361600	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2963	6361992	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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.2979	6285240	OutputPage->output( )	../MediaWiki.php:583
5	0.2981	6291688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2982	6292984	WebResponse->header( )	../OutputPage.php:2134
7	0.2982	6293128	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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.2979	6285240	OutputPage->output( )	../MediaWiki.php:583
5	0.2981	6291688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2989	6301016	WebResponse->header( )	../OutputPage.php:2171
7	0.2989	6301160	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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.2979	6285240	OutputPage->output( )	../MediaWiki.php:583
5	0.2981	6291688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2994	6300960	WebResponse->header( )	../OutputPage.php:2172
7	0.2994	6301104	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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.2979	6285240	OutputPage->output( )	../MediaWiki.php:583
5	0.3160	6300960	WebResponse->header( )	../OutputPage.php:2220
6	0.3160	6301104	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	238760	{main}( )	../index.php:0
2	0.0360	3383592	MediaWiki->run( )	../index.php:46
3	0.0360	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.2979	6285240	OutputPage->output( )	../MediaWiki.php:583
5	0.3166	6301120	WebResponse->header( )	../OutputPage.php:2227
6	0.3166	6301264	header ( )	../WebResponse.php:37