( ! ) Warning: Search backend error during near_match search for '3.137.166.252' after 23. 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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.1800	3956992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3078	4411760	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3248	4465760	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3248	4466128	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.7964	5809800	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.8796	5815768	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.8797	5816520	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.8985	5831520	Hooks::run( )	../SearchEngine.php:231
12	0.8986	5833120	call_user_func_array ( )	../Hooks.php:209
13	0.8986	5833824	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9020	5907880	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.9023	5953904	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.9363	6188960	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.9364	6220544	PoolCounterWork->execute( )	../Util.php:133
18	0.9365	6244800	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.9365	6244984	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.9365	6245056	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.9365	6246992	PoolCounterWork->execute( )	../Util.php:129
22	0.9365	6247640	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.9365	6247824	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.9365	6247944	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.9600	6362216	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.9602	6366152	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.9602	6366432	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.9603	6367736	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.9603	6368128	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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.9963	6291432	OutputPage->output( )	../MediaWiki.php:583
5	0.9965	6297888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.9966	6299184	WebResponse->header( )	../OutputPage.php:2134
7	0.9966	6299328	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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.9963	6291432	OutputPage->output( )	../MediaWiki.php:583
5	0.9965	6297888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0135	6307216	WebResponse->header( )	../OutputPage.php:2171
7	1.0135	6307360	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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.9963	6291432	OutputPage->output( )	../MediaWiki.php:583
5	0.9965	6297888	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0184	6307160	WebResponse->header( )	../OutputPage.php:2172
7	1.0184	6307304	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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.9963	6291432	OutputPage->output( )	../MediaWiki.php:583
5	1.0295	6307160	WebResponse->header( )	../OutputPage.php:2220
6	1.0295	6307304	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	235360	{main}( )	../index.php:0
2	0.1050	3781488	MediaWiki->run( )	../index.php:46
3	0.1050	3782896	MediaWiki->main( )	../MediaWiki.php:424
4	0.9963	6291432	OutputPage->output( )	../MediaWiki.php:583
5	1.0421	6307320	WebResponse->header( )	../OutputPage.php:2227
6	1.0421	6307464	header ( )	../WebResponse.php:37