( ! ) Warning: Search backend error during near_match search for '18.226.163.0' after 30. 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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1707	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3280	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3284	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3284	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.8053	5794616	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.9271	5800872	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.9271	5801624	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.9553	5816624	Hooks::run( )	../SearchEngine.php:231
12	0.9564	5818224	call_user_func_array ( )	../Hooks.php:209
13	0.9564	5818928	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.9587	5892960	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.9620	5938984	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.9929	6173992	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.9932	6205584	PoolCounterWork->execute( )	../Util.php:133
18	0.9934	6229840	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.9934	6230024	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.9934	6230096	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.9934	6232032	PoolCounterWork->execute( )	../Util.php:129
22	0.9934	6232680	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.9934	6232864	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.9934	6232984	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.0233	6347248	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.0236	6351184	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.0236	6351464	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.0237	6352768	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.0237	6353160	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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0255	6276472	OutputPage->output( )	../MediaWiki.php:583
5	1.0257	6282928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0258	6284224	WebResponse->header( )	../OutputPage.php:2134
7	1.0258	6284368	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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0255	6276472	OutputPage->output( )	../MediaWiki.php:583
5	1.0257	6282928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0264	6292256	WebResponse->header( )	../OutputPage.php:2171
7	1.0264	6292400	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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0255	6276472	OutputPage->output( )	../MediaWiki.php:583
5	1.0257	6282928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.0269	6292200	WebResponse->header( )	../OutputPage.php:2172
7	1.0269	6292344	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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0255	6276472	OutputPage->output( )	../MediaWiki.php:583
5	1.0875	6292200	WebResponse->header( )	../OutputPage.php:2220
6	1.0875	6292344	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	0.0267	3375864	MediaWiki->run( )	../index.php:46
3	0.0267	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0255	6276472	OutputPage->output( )	../MediaWiki.php:583
5	1.0882	6292360	WebResponse->header( )	../OutputPage.php:2227
6	1.0882	6292504	header ( )	../WebResponse.php:37