( ! ) Warning: Search backend error during near_match search for '18.216.145.37' 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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0206	3553472	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0347	4381000	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0352	4434888	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0352	4435256	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0798	5797800	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0856	5804032	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0856	5804784	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0884	5819784	Hooks::run( )	../SearchEngine.php:231
12	0.0884	5821384	call_user_func_array ( )	../Hooks.php:209
13	0.0884	5822088	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0889	5896120	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0895	5942144	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0918	6177200	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0919	6208784	PoolCounterWork->execute( )	../Util.php:133
18	0.0920	6233040	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0920	6233224	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0920	6233296	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0920	6235232	PoolCounterWork->execute( )	../Util.php:129
22	0.0920	6235880	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0920	6236064	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0920	6236184	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0981	6350440	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0983	6354376	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0983	6354656	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0984	6355960	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0984	6356352	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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1000	6279672	OutputPage->output( )	../MediaWiki.php:583
5	0.1001	6286128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1003	6287424	WebResponse->header( )	../OutputPage.php:2134
7	0.1003	6287568	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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1000	6279672	OutputPage->output( )	../MediaWiki.php:583
5	0.1001	6286128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1008	6295456	WebResponse->header( )	../OutputPage.php:2171
7	0.1008	6295600	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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1000	6279672	OutputPage->output( )	../MediaWiki.php:583
5	0.1001	6286128	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1013	6295400	WebResponse->header( )	../OutputPage.php:2172
7	0.1013	6295544	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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1000	6279672	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6295400	WebResponse->header( )	../OutputPage.php:2220
6	0.1018	6295544	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	0.0001	235248	{main}( )	../index.php:0
2	0.0131	3377880	MediaWiki->run( )	../index.php:46
3	0.0131	3379288	MediaWiki->main( )	../MediaWiki.php:424
4	0.1000	6279672	OutputPage->output( )	../MediaWiki.php:583
5	0.1023	6295560	WebResponse->header( )	../OutputPage.php:2227
6	0.1023	6295704	header ( )	../WebResponse.php:37