( ! ) Warning: Search backend error during near_match search for '3.138.174.235' 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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.0206	3551440	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0359	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0365	4432944	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0365	4433312	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0820	5794768	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0871	5801024	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0872	5801776	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0894	5816776	Hooks::run( )	../SearchEngine.php:231
12	0.0894	5818376	call_user_func_array ( )	../Hooks.php:209
13	0.0894	5819080	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0900	5893128	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0908	5939152	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0941	6174256	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0944	6207048	PoolCounterWork->execute( )	../Util.php:133
18	0.0945	6231792	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0945	6231976	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0946	6232048	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0946	6234016	PoolCounterWork->execute( )	../Util.php:129
22	0.0946	6234664	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0946	6234848	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0946	6234968	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1011	6349240	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1012	6353176	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1012	6353456	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1013	6354760	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1013	6355152	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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1031	6278368	OutputPage->output( )	../MediaWiki.php:583
5	0.1033	6284824	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1034	6286120	WebResponse->header( )	../OutputPage.php:2134
7	0.1034	6286264	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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1031	6278368	OutputPage->output( )	../MediaWiki.php:583
5	0.1033	6284824	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1041	6294152	WebResponse->header( )	../OutputPage.php:2171
7	0.1041	6294296	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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1031	6278368	OutputPage->output( )	../MediaWiki.php:583
5	0.1033	6284824	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1047	6294096	WebResponse->header( )	../OutputPage.php:2172
7	0.1047	6294240	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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1031	6278368	OutputPage->output( )	../MediaWiki.php:583
5	0.1051	6294096	WebResponse->header( )	../OutputPage.php:2220
6	0.1051	6294240	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	0.0001	233960	{main}( )	../index.php:0
2	0.0121	3375896	MediaWiki->run( )	../index.php:46
3	0.0121	3377304	MediaWiki->main( )	../MediaWiki.php:424
4	0.1031	6278368	OutputPage->output( )	../MediaWiki.php:583
5	0.1057	6294256	WebResponse->header( )	../OutputPage.php:2227
6	0.1057	6294400	header ( )	../WebResponse.php:37