( ! ) Warning: Search backend error during near_match search for '18.227.183.234' 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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0200	3551928	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0353	4379376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0357	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0357	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0798	5796440	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0855	5802696	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0855	5803448	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0881	5818440	Hooks::run( )	../SearchEngine.php:231
12	0.0881	5820040	call_user_func_array ( )	../Hooks.php:209
13	0.0881	5820744	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0886	5894768	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0893	5940808	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0926	6175912	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0929	6207512	PoolCounterWork->execute( )	../Util.php:133
18	0.0931	6231768	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0931	6231952	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0931	6232024	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0931	6233960	PoolCounterWork->execute( )	../Util.php:129
22	0.0931	6234608	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0931	6234792	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0931	6234912	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0996	6349176	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0997	6353112	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0998	6353392	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0999	6354696	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0999	6355088	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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6278376	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6284832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1021	6286128	WebResponse->header( )	../OutputPage.php:2134
7	0.1022	6286272	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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6278376	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6284832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1028	6294176	WebResponse->header( )	../OutputPage.php:2171
7	0.1028	6294320	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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6278376	OutputPage->output( )	../MediaWiki.php:583
5	0.1020	6284832	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1033	6294120	WebResponse->header( )	../OutputPage.php:2172
7	0.1033	6294264	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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6278376	OutputPage->output( )	../MediaWiki.php:583
5	0.1038	6294120	WebResponse->header( )	../OutputPage.php:2220
6	0.1038	6294264	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	233960	{main}( )	../index.php:0
2	0.0119	3376416	MediaWiki->run( )	../index.php:46
3	0.0119	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1018	6278376	OutputPage->output( )	../MediaWiki.php:583
5	0.1044	6294280	WebResponse->header( )	../OutputPage.php:2227
6	0.1044	6294424	header ( )	../WebResponse.php:37