( ! ) Warning: Search backend error during near_match search for '18.191.176.224' after 81. 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	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.2083	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4679	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4683	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4683	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0114	5794424	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0902	5800656	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0902	5801408	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1093	5816400	Hooks::run( )	../SearchEngine.php:231
12	1.1094	5818000	call_user_func_array ( )	../Hooks.php:209
13	1.1094	5818704	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1098	5892736	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1104	5938776	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1573	6173784	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1576	6205384	PoolCounterWork->execute( )	../Util.php:133
18	1.1577	6229640	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1577	6229824	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1577	6229896	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1578	6231832	PoolCounterWork->execute( )	../Util.php:129
22	1.1578	6232480	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1578	6232664	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1578	6232784	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.2385	6347032	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.2386	6350968	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.2386	6351248	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.2388	6352552	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.2388	6352944	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	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.2454	6276264	OutputPage->output( )	../MediaWiki.php:583
5	1.2458	6282720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2459	6284016	WebResponse->header( )	../OutputPage.php:2134
7	1.2459	6284160	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	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.2454	6276264	OutputPage->output( )	../MediaWiki.php:583
5	1.2458	6282720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2466	6292048	WebResponse->header( )	../OutputPage.php:2171
7	1.2466	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	0.0000	233960	{main}( )	../index.php:0
2	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.2454	6276264	OutputPage->output( )	../MediaWiki.php:583
5	1.2458	6282720	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2470	6291992	WebResponse->header( )	../OutputPage.php:2172
7	1.2470	6292136	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	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.2454	6276264	OutputPage->output( )	../MediaWiki.php:583
5	1.2475	6291992	WebResponse->header( )	../OutputPage.php:2220
6	1.2475	6292136	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	0.0123	3375880	MediaWiki->run( )	../index.php:46
3	0.0124	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	1.2454	6276264	OutputPage->output( )	../MediaWiki.php:583
5	1.2481	6292152	WebResponse->header( )	../OutputPage.php:2227
6	1.2481	6292296	header ( )	../WebResponse.php:37