( ! ) Warning: Search backend error during near_match search for '3.147.81.20' 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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0188	3559488	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0327	4387192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0336	4441104	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0336	4441472	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0776	5803592	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0829	5809712	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0829	5810464	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0853	5825464	Hooks::run( )	../SearchEngine.php:231
12	0.0853	5827064	call_user_func_array ( )	../Hooks.php:209
13	0.0853	5827768	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0858	5901816	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0868	5947848	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0902	6182944	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0906	6214544	PoolCounterWork->execute( )	../Util.php:133
18	0.0908	6238800	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0908	6238984	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0908	6239056	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0908	6240992	PoolCounterWork->execute( )	../Util.php:129
22	0.0908	6241640	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0908	6241824	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0908	6241944	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0977	6356224	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0979	6360152	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0979	6360432	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0980	6361720	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0980	6362112	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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0997	6285416	OutputPage->output( )	../MediaWiki.php:583
5	0.0999	6291864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1000	6293160	WebResponse->header( )	../OutputPage.php:2134
7	0.1000	6293304	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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0997	6285416	OutputPage->output( )	../MediaWiki.php:583
5	0.0999	6291864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1008	6301192	WebResponse->header( )	../OutputPage.php:2171
7	0.1008	6301336	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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0997	6285416	OutputPage->output( )	../MediaWiki.php:583
5	0.0999	6291864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1013	6301136	WebResponse->header( )	../OutputPage.php:2172
7	0.1013	6301280	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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0997	6285416	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6301136	WebResponse->header( )	../OutputPage.php:2220
6	0.1018	6301280	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	238728	{main}( )	../index.php:0
2	0.0113	3383880	MediaWiki->run( )	../index.php:46
3	0.0114	3385288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0997	6285416	OutputPage->output( )	../MediaWiki.php:583
5	0.1026	6301296	WebResponse->header( )	../OutputPage.php:2227
6	0.1026	6301440	header ( )	../WebResponse.php:37