( ! ) Warning: Search backend error during near_match search for '3.139.239.25' 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	0.0001	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0385	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0540	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0544	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0545	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0966	5794600	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1016	5800856	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1016	5801608	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1038	5816608	Hooks::run( )	../SearchEngine.php:231
12	0.1039	5818208	call_user_func_array ( )	../Hooks.php:209
13	0.1039	5818912	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1045	5892952	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1051	5938976	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1078	6174080	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1081	6206856	PoolCounterWork->execute( )	../Util.php:133
18	0.1083	6231328	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1083	6231512	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1083	6231584	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1083	6233552	PoolCounterWork->execute( )	../Util.php:129
22	0.1084	6234200	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1084	6234384	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1084	6234504	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1150	6348784	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1152	6352720	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1152	6353000	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1153	6354304	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1153	6354696	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	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1172	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1174	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1175	6285664	WebResponse->header( )	../OutputPage.php:2134
7	0.1175	6285808	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	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1172	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1174	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1182	6293696	WebResponse->header( )	../OutputPage.php:2171
7	0.1182	6293840	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	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1172	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1174	6284368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1188	6293640	WebResponse->header( )	../OutputPage.php:2172
7	0.1188	6293784	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	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1172	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1192	6293640	WebResponse->header( )	../OutputPage.php:2220
6	0.1192	6293784	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	233928	{main}( )	../index.php:0
2	0.0279	3375864	MediaWiki->run( )	../index.php:46
3	0.0279	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1172	6277912	OutputPage->output( )	../MediaWiki.php:583
5	0.1198	6293800	WebResponse->header( )	../OutputPage.php:2227
6	0.1198	6293944	header ( )	../WebResponse.php:37