( ! ) Warning: Search backend error during near_match search for '3.17.166.233' 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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.0227	3599104	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0382	4412544	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0386	4466512	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0387	4466880	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0826	5794440	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0879	5800672	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0879	5801424	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0903	5816424	Hooks::run( )	../SearchEngine.php:231
12	0.0903	5818024	call_user_func_array ( )	../Hooks.php:209
13	0.0903	5818728	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0907	5892760	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0915	5938784	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0945	6173832	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0948	6205432	PoolCounterWork->execute( )	../Util.php:133
18	0.0950	6229688	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0950	6229872	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0950	6229944	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0951	6231880	PoolCounterWork->execute( )	../Util.php:129
22	0.0951	6232528	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0951	6232712	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0951	6232832	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1015	6347112	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1016	6351048	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1016	6351328	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1018	6352632	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1018	6353024	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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1044	6276320	OutputPage->output( )	../MediaWiki.php:583
5	0.1047	6282776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1049	6284072	WebResponse->header( )	../OutputPage.php:2134
7	0.1049	6284216	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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1044	6276320	OutputPage->output( )	../MediaWiki.php:583
5	0.1047	6282776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1056	6292104	WebResponse->header( )	../OutputPage.php:2171
7	0.1056	6292248	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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1044	6276320	OutputPage->output( )	../MediaWiki.php:583
5	0.1047	6282776	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1061	6292048	WebResponse->header( )	../OutputPage.php:2172
7	0.1061	6292192	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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1044	6276320	OutputPage->output( )	../MediaWiki.php:583
5	0.1066	6292048	WebResponse->header( )	../OutputPage.php:2220
6	0.1066	6292192	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	232200	{main}( )	../index.php:0
2	0.0120	3374120	MediaWiki->run( )	../index.php:46
3	0.0120	3375528	MediaWiki->main( )	../MediaWiki.php:424
4	0.1044	6276320	OutputPage->output( )	../MediaWiki.php:583
5	0.1072	6292208	WebResponse->header( )	../OutputPage.php:2227
6	0.1072	6292352	header ( )	../WebResponse.php:37