( ! ) Warning: Search backend error during near_match search for '3.143.1.255' 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	0.0001	233896	{main}( )	../index.php:0
2	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.0211	3551304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0366	4378848	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0371	4432784	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0371	4433152	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0804	5795000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0857	5801256	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0857	5802008	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0879	5817008	Hooks::run( )	../SearchEngine.php:231
12	0.0880	5818608	call_user_func_array ( )	../Hooks.php:209
13	0.0880	5819312	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0885	5893344	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0892	5939376	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0923	6174424	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0926	6206024	PoolCounterWork->execute( )	../Util.php:133
18	0.0928	6230280	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0928	6230464	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0928	6230536	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0928	6232472	PoolCounterWork->execute( )	../Util.php:129
22	0.0928	6233120	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0928	6233304	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0928	6233424	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0992	6347704	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0994	6351632	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0994	6351912	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0995	6353200	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0995	6353592	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	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6276928	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283376	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1015	6284672	WebResponse->header( )	../OutputPage.php:2134
7	0.1015	6284816	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	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6276928	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283376	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1022	6292704	WebResponse->header( )	../OutputPage.php:2171
7	0.1022	6292848	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	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6276928	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283376	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1027	6292648	WebResponse->header( )	../OutputPage.php:2172
7	0.1027	6292792	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	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6276928	OutputPage->output( )	../MediaWiki.php:583
5	0.1032	6292648	WebResponse->header( )	../OutputPage.php:2220
6	0.1032	6292792	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	0.0127	3375832	MediaWiki->run( )	../index.php:46
3	0.0128	3377240	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6276928	OutputPage->output( )	../MediaWiki.php:583
5	0.1038	6292800	WebResponse->header( )	../OutputPage.php:2227
6	0.1038	6292944	header ( )	../WebResponse.php:37