( ! ) Warning: Search backend error during near_match search for '3.144.97.47' 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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.0296	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0474	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0478	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0479	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0949	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1004	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1004	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1032	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.1033	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.1033	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1038	5893672	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1047	5939696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1083	6174800	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1087	6206400	PoolCounterWork->execute( )	../Util.php:133
18	0.1088	6230656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1089	6230840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1089	6230912	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1089	6232848	PoolCounterWork->execute( )	../Util.php:129
22	0.1089	6233496	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1089	6233680	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1089	6233800	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1160	6348040	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1162	6351968	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1162	6352248	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1163	6353536	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1163	6353928	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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1180	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.1183	6283680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1184	6284976	WebResponse->header( )	../OutputPage.php:2134
7	0.1184	6285120	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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1180	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.1183	6283680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1191	6293008	WebResponse->header( )	../OutputPage.php:2171
7	0.1191	6293152	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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1180	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.1183	6283680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1196	6292952	WebResponse->header( )	../OutputPage.php:2172
7	0.1196	6293096	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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1180	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.1201	6292952	WebResponse->header( )	../OutputPage.php:2220
6	0.1201	6293096	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	233896	{main}( )	../index.php:0
2	0.0160	3376040	MediaWiki->run( )	../index.php:46
3	0.0161	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1180	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.1207	6293104	WebResponse->header( )	../OutputPage.php:2227
6	0.1207	6293248	header ( )	../WebResponse.php:37