( ! ) Warning: Search backend error during near_match search for '18.222.179.161' 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	0.0000	233960	{main}( )	../index.php:0
2	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0178	3551480	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0318	4379048	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0322	4432984	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0322	4433352	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0732	5794424	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0782	5800656	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0782	5801408	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0803	5816400	Hooks::run( )	../SearchEngine.php:231
12	0.0803	5818000	call_user_func_array ( )	../Hooks.php:209
13	0.0803	5818704	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0807	5892736	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0814	5938776	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0841	6173824	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0843	6205408	PoolCounterWork->execute( )	../Util.php:133
18	0.0844	6229664	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0844	6229848	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0844	6229920	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0844	6231856	PoolCounterWork->execute( )	../Util.php:129
22	0.0845	6232504	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0845	6232688	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0845	6232808	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0906	6347072	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0907	6351008	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0907	6351288	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0908	6352592	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0908	6352984	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	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0926	6276304	OutputPage->output( )	../MediaWiki.php:583
5	0.0928	6282760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0929	6284056	WebResponse->header( )	../OutputPage.php:2134
7	0.0929	6284200	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	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0926	6276304	OutputPage->output( )	../MediaWiki.php:583
5	0.0928	6282760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0935	6292088	WebResponse->header( )	../OutputPage.php:2171
7	0.0935	6292232	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	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0926	6276304	OutputPage->output( )	../MediaWiki.php:583
5	0.0928	6282760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0940	6292032	WebResponse->header( )	../OutputPage.php:2172
7	0.0940	6292176	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	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0926	6276304	OutputPage->output( )	../MediaWiki.php:583
5	0.0944	6292032	WebResponse->header( )	../OutputPage.php:2220
6	0.0944	6292176	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	0.0092	3375880	MediaWiki->run( )	../index.php:46
3	0.0092	3377288	MediaWiki->main( )	../MediaWiki.php:424
4	0.0926	6276304	OutputPage->output( )	../MediaWiki.php:583
5	0.0950	6292192	WebResponse->header( )	../OutputPage.php:2227
6	0.0950	6292336	header ( )	../WebResponse.php:37