( ! ) Warning: Search backend error during near_match search for '18.191.254.51' after 18. 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	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.0716	3559344	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1316	4386904	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1321	4440824	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1321	4441192	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2557	5802104	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2726	5808336	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2726	5809088	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2750	5824088	Hooks::run( )	../SearchEngine.php:231
12	0.2750	5825688	call_user_func_array ( )	../Hooks.php:209
13	0.2750	5826392	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2756	5900424	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2791	5946448	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2848	6181536	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2852	6214304	PoolCounterWork->execute( )	../Util.php:133
18	0.2854	6238744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2854	6238928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2854	6239000	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2854	6240968	PoolCounterWork->execute( )	../Util.php:129
22	0.2854	6241616	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2854	6241800	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2854	6241920	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3032	6356200	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3033	6360136	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3033	6360416	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3034	6361720	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3035	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	0.0000	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.3058	6285360	OutputPage->output( )	../MediaWiki.php:583
5	0.3062	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3063	6293104	WebResponse->header( )	../OutputPage.php:2134
7	0.3063	6293248	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	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.3058	6285360	OutputPage->output( )	../MediaWiki.php:583
5	0.3062	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3071	6301136	WebResponse->header( )	../OutputPage.php:2171
7	0.3071	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	0.0000	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.3058	6285360	OutputPage->output( )	../MediaWiki.php:583
5	0.3062	6291808	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3078	6301080	WebResponse->header( )	../OutputPage.php:2172
7	0.3078	6301224	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	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.3058	6285360	OutputPage->output( )	../MediaWiki.php:583
5	0.3085	6301080	WebResponse->header( )	../OutputPage.php:2220
6	0.3085	6301224	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	238760	{main}( )	../index.php:0
2	0.0384	3383592	MediaWiki->run( )	../index.php:46
3	0.0384	3385000	MediaWiki->main( )	../MediaWiki.php:424
4	0.3058	6285360	OutputPage->output( )	../MediaWiki.php:583
5	0.3119	6301240	WebResponse->header( )	../OutputPage.php:2227
6	0.3119	6301384	header ( )	../WebResponse.php:37