( ! ) Warning: Search backend error during near_match search for '18.116.50.87' 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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0156	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0294	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0298	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0298	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0703	5794632	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0755	5800888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0755	5801640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0780	5816640	Hooks::run( )	../SearchEngine.php:231
12	0.0780	5818240	call_user_func_array ( )	../Hooks.php:209
13	0.0780	5818944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0785	5892976	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0791	5939016	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0814	6174024	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0816	6205608	PoolCounterWork->execute( )	../Util.php:133
18	0.0817	6229864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0817	6230048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0817	6230120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0818	6232056	PoolCounterWork->execute( )	../Util.php:129
22	0.0818	6232704	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0818	6232888	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0818	6233008	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0878	6347272	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0879	6351208	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0879	6351488	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0880	6352792	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0880	6353184	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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0896	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.0898	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0899	6284248	WebResponse->header( )	../OutputPage.php:2134
7	0.0899	6284392	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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0896	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.0898	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0904	6292280	WebResponse->header( )	../OutputPage.php:2171
7	0.0905	6292424	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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0896	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.0898	6282952	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0910	6292224	WebResponse->header( )	../OutputPage.php:2172
7	0.0910	6292368	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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0896	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.0915	6292224	WebResponse->header( )	../OutputPage.php:2220
6	0.0916	6292368	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	233928	{main}( )	../index.php:0
2	0.0084	3375864	MediaWiki->run( )	../index.php:46
3	0.0084	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0896	6276496	OutputPage->output( )	../MediaWiki.php:583
5	0.0921	6292384	WebResponse->header( )	../OutputPage.php:2227
6	0.0921	6292528	header ( )	../WebResponse.php:37