( ! ) Warning: Search backend error during near_match search for '3.137.184.170' 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	0.0000	238760	{main}( )	../index.php:0
2	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0179	3559552	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0330	4387040	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0334	4440976	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0334	4441344	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0781	5804032	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0840	5809744	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0840	5810496	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0862	5825496	Hooks::run( )	../SearchEngine.php:231
12	0.0862	5827096	call_user_func_array ( )	../Hooks.php:209
13	0.0862	5827800	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0864	5901848	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0867	5947888	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0884	6182984	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0886	6214592	PoolCounterWork->execute( )	../Util.php:133
18	0.0887	6238848	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0887	6239032	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0888	6239104	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0888	6241040	PoolCounterWork->execute( )	../Util.php:129
22	0.0888	6241688	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0888	6241872	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0888	6241992	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0950	6356256	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0951	6360192	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0951	6360472	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0952	6361776	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0952	6362168	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	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6285456	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6291912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0974	6293208	WebResponse->header( )	../OutputPage.php:2134
7	0.0974	6293352	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	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6285456	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6291912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0980	6301240	WebResponse->header( )	../OutputPage.php:2171
7	0.0980	6301384	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	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6285456	OutputPage->output( )	../MediaWiki.php:583
5	0.0973	6291912	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0985	6301184	WebResponse->header( )	../OutputPage.php:2172
7	0.0985	6301328	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	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6285456	OutputPage->output( )	../MediaWiki.php:583
5	0.0989	6301184	WebResponse->header( )	../OutputPage.php:2220
6	0.0990	6301328	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	0.0091	3383944	MediaWiki->run( )	../index.php:46
3	0.0091	3385352	MediaWiki->main( )	../MediaWiki.php:424
4	0.0971	6285456	OutputPage->output( )	../MediaWiki.php:583
5	0.0996	6301344	WebResponse->header( )	../OutputPage.php:2227
6	0.0996	6301488	header ( )	../WebResponse.php:37