( ! ) Warning: Search backend error during near_match search for '18.217.0.127' after 5. 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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1572	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2633	4379496	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2703	4433376	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2703	4433744	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.6680	5796536	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.7237	5802792	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.7237	5803544	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.7570	5818544	Hooks::run( )	../SearchEngine.php:231
12	0.7570	5820144	call_user_func_array ( )	../Hooks.php:209
13	0.7570	5820848	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.7573	5894872	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.7576	5940896	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.7781	6175952	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.7782	6207544	PoolCounterWork->execute( )	../Util.php:133
18	0.7783	6231800	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.7783	6231984	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.7783	6232056	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.7784	6233992	PoolCounterWork->execute( )	../Util.php:129
22	0.7784	6234640	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.7784	6234824	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.7784	6234944	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.7835	6349208	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.7836	6353144	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.7836	6353424	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.7837	6354728	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.7837	6355120	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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.7854	6278424	OutputPage->output( )	../MediaWiki.php:583
5	0.7856	6284880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7857	6286176	WebResponse->header( )	../OutputPage.php:2134
7	0.7857	6286320	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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.7854	6278424	OutputPage->output( )	../MediaWiki.php:583
5	0.7856	6284880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8085	6294208	WebResponse->header( )	../OutputPage.php:2171
7	0.8085	6294352	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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.7854	6278424	OutputPage->output( )	../MediaWiki.php:583
5	0.7856	6284880	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8091	6294152	WebResponse->header( )	../OutputPage.php:2172
7	0.8091	6294296	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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.7854	6278424	OutputPage->output( )	../MediaWiki.php:583
5	0.8120	6294152	WebResponse->header( )	../OutputPage.php:2220
6	0.8120	6294296	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	233960	{main}( )	../index.php:0
2	0.0205	3376416	MediaWiki->run( )	../index.php:46
3	0.0205	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.7854	6278424	OutputPage->output( )	../MediaWiki.php:583
5	0.8127	6294312	WebResponse->header( )	../OutputPage.php:2227
6	0.8127	6294456	header ( )	../WebResponse.php:37