( ! ) Warning: Search backend error during near_match search for '18.219.151.245' after 16. 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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0327	3560880	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0502	4388304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0508	4442192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0508	4442560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1054	5805016	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1253	5811200	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1253	5811952	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1277	5826952	Hooks::run( )	../SearchEngine.php:231
12	0.1277	5828552	call_user_func_array ( )	../Hooks.php:209
13	0.1277	5829256	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1283	5903304	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1292	5949328	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1361	6184424	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1364	6216032	PoolCounterWork->execute( )	../Util.php:133
18	0.1375	6240288	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1375	6240472	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1376	6240544	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1376	6242480	PoolCounterWork->execute( )	../Util.php:129
22	0.1377	6243128	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1377	6243312	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1377	6243432	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1538	6357696	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1540	6361632	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1540	6361912	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1541	6363216	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1541	6363608	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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1561	6286896	OutputPage->output( )	../MediaWiki.php:583
5	0.1564	6293352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1565	6294648	WebResponse->header( )	../OutputPage.php:2134
7	0.1565	6294792	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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1561	6286896	OutputPage->output( )	../MediaWiki.php:583
5	0.1564	6293352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1573	6302680	WebResponse->header( )	../OutputPage.php:2171
7	0.1573	6302824	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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1561	6286896	OutputPage->output( )	../MediaWiki.php:583
5	0.1564	6293352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1578	6302624	WebResponse->header( )	../OutputPage.php:2172
7	0.1578	6302768	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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1561	6286896	OutputPage->output( )	../MediaWiki.php:583
5	0.1583	6302624	WebResponse->header( )	../OutputPage.php:2220
6	0.1583	6302768	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	239856	{main}( )	../index.php:0
2	0.0152	3385280	MediaWiki->run( )	../index.php:46
3	0.0153	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1561	6286896	OutputPage->output( )	../MediaWiki.php:583
5	0.1589	6302784	WebResponse->header( )	../OutputPage.php:2227
6	0.1589	6302928	header ( )	../WebResponse.php:37