( ! ) Warning: Search backend error during near_match search for '18.226.52.161' after 44. 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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1308	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2831	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2835	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2835	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9911	5796008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0302	5802240	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0303	5802992	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0503	5817992	Hooks::run( )	../SearchEngine.php:231
12	1.0503	5819592	call_user_func_array ( )	../Hooks.php:209
13	1.0503	5820296	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0509	5894344	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0516	5940384	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.0542	6175488	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.0545	6207088	PoolCounterWork->execute( )	../Util.php:133
18	1.0547	6231344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.0547	6231528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.0547	6231600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.0547	6233536	PoolCounterWork->execute( )	../Util.php:129
22	1.0548	6234184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.0548	6234368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.0548	6234488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0986	6348728	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0987	6352664	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0987	6352944	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0989	6354248	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0989	6354640	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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.1049	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1120	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1121	6285680	WebResponse->header( )	../OutputPage.php:2134
7	1.1121	6285824	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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.1049	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1120	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1131	6293728	WebResponse->header( )	../OutputPage.php:2171
7	1.1131	6293872	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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.1049	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1120	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.1136	6293672	WebResponse->header( )	../OutputPage.php:2172
7	1.1136	6293816	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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.1049	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1140	6293672	WebResponse->header( )	../OutputPage.php:2220
6	1.1140	6293816	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	0.0657	3376416	MediaWiki->run( )	../index.php:46
3	0.0657	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.1049	6277928	OutputPage->output( )	../MediaWiki.php:583
5	1.1147	6293832	WebResponse->header( )	../OutputPage.php:2227
6	1.1147	6293976	header ( )	../WebResponse.php:37