( ! ) Warning: Search backend error during near_match search for '3.133.109.121' after 55. 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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1231	3551392	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3469	4378920	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3475	4432840	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3476	4433208	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0016	5794744	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0644	5801000	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0644	5801752	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0839	5816752	Hooks::run( )	../SearchEngine.php:231
12	1.0840	5818352	call_user_func_array ( )	../Hooks.php:209
13	1.0840	5819056	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0843	5893088	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0850	5939120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1236	6174176	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1238	6205760	PoolCounterWork->execute( )	../Util.php:133
18	1.1240	6230016	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1240	6230200	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1240	6230272	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1240	6232208	PoolCounterWork->execute( )	../Util.php:129
22	1.1240	6232856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1240	6233040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1240	6233160	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1795	6347416	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1796	6351352	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1796	6351632	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1798	6352936	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1798	6353328	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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1816	6276640	OutputPage->output( )	../MediaWiki.php:583
5	1.1913	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1928	6284392	WebResponse->header( )	../OutputPage.php:2134
7	1.1928	6284536	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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1816	6276640	OutputPage->output( )	../MediaWiki.php:583
5	1.1913	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1935	6292424	WebResponse->header( )	../OutputPage.php:2171
7	1.1935	6292568	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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1816	6276640	OutputPage->output( )	../MediaWiki.php:583
5	1.1913	6283096	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1941	6292368	WebResponse->header( )	../OutputPage.php:2172
7	1.1941	6292512	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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1816	6276640	OutputPage->output( )	../MediaWiki.php:583
5	1.1946	6292368	WebResponse->header( )	../OutputPage.php:2220
6	1.1946	6292512	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	233960	{main}( )	../index.php:0
2	0.0501	3375880	MediaWiki->run( )	../index.php:46
3	0.0501	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.1816	6276640	OutputPage->output( )	../MediaWiki.php:583
5	1.1952	6292528	WebResponse->header( )	../OutputPage.php:2227
6	1.1952	6292672	header ( )	../WebResponse.php:37