( ! ) Warning: Search backend error during near_match search for '18.191.102.112' 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	0.0000	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.0241	3956824	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0371	4411624	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0376	4465680	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0376	4466048	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0788	5810264	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0845	5816280	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0845	5817032	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0869	5832024	Hooks::run( )	../SearchEngine.php:231
12	0.0870	5833624	call_user_func_array ( )	../Hooks.php:209
13	0.0870	5834328	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0875	5908368	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0883	5954392	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0914	6189416	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0915	6222184	PoolCounterWork->execute( )	../Util.php:133
18	0.0916	6246600	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0916	6246784	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0916	6246856	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0917	6248824	PoolCounterWork->execute( )	../Util.php:129
22	0.0917	6249472	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0917	6249656	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0917	6249776	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0981	6364024	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0983	6367960	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0983	6368240	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0984	6369544	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0984	6369936	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	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6293192	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6299648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1004	6300944	WebResponse->header( )	../OutputPage.php:2134
7	0.1004	6301088	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	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6293192	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6299648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1010	6308976	WebResponse->header( )	../OutputPage.php:2171
7	0.1010	6309120	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	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6293192	OutputPage->output( )	../MediaWiki.php:583
5	0.1003	6299648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1015	6308920	WebResponse->header( )	../OutputPage.php:2172
7	0.1015	6309064	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	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6293192	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6308920	WebResponse->header( )	../OutputPage.php:2220
6	0.1020	6309064	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	235760	{main}( )	../index.php:0
2	0.0162	3781456	MediaWiki->run( )	../index.php:46
3	0.0162	3782864	MediaWiki->main( )	../MediaWiki.php:424
4	0.1001	6293192	OutputPage->output( )	../MediaWiki.php:583
5	0.1025	6309080	WebResponse->header( )	../OutputPage.php:2227
6	0.1025	6309224	header ( )	../WebResponse.php:37