( ! ) Warning: Search backend error during near_match search for '18.191.187.115' after 14. 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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.0401	3559104	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0942	4386688	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0946	4440640	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0946	4441008	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2650	5803560	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2898	5809216	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2898	5809968	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2943	5824960	Hooks::run( )	../SearchEngine.php:231
12	0.2943	5826560	call_user_func_array ( )	../Hooks.php:209
13	0.2943	5827264	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2949	5901304	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2957	5947344	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2990	6182432	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3111	6215208	PoolCounterWork->execute( )	../Util.php:133
18	0.3126	6239648	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3126	6239832	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3126	6239904	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3126	6241872	PoolCounterWork->execute( )	../Util.php:129
22	0.3127	6242520	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3127	6242704	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3127	6242824	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3271	6357112	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3290	6361048	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3290	6361328	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3291	6362632	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3291	6363024	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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3372	6286280	OutputPage->output( )	../MediaWiki.php:583
5	0.3374	6292736	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3375	6294032	WebResponse->header( )	../OutputPage.php:2134
7	0.3375	6294176	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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3372	6286280	OutputPage->output( )	../MediaWiki.php:583
5	0.3374	6292736	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3383	6302064	WebResponse->header( )	../OutputPage.php:2171
7	0.3383	6302208	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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3372	6286280	OutputPage->output( )	../MediaWiki.php:583
5	0.3374	6292736	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3387	6302008	WebResponse->header( )	../OutputPage.php:2172
7	0.3387	6302152	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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3372	6286280	OutputPage->output( )	../MediaWiki.php:583
5	0.3392	6302008	WebResponse->header( )	../OutputPage.php:2220
6	0.3392	6302152	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	0.0126	3383616	MediaWiki->run( )	../index.php:46
3	0.0127	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.3372	6286280	OutputPage->output( )	../MediaWiki.php:583
5	0.3431	6302168	WebResponse->header( )	../OutputPage.php:2227
6	0.3431	6302312	header ( )	../WebResponse.php:37