( ! ) Warning: Search backend error during near_match search for '3.17.174.0' after 22. 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	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5938	3551680	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.8703	4379192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.8709	4433088	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.8709	4433456	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.5688	5794568	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.5910	5800824	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.5910	5801576	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.5976	5816576	Hooks::run( )	../SearchEngine.php:231
12	1.5976	5818176	call_user_func_array ( )	../Hooks.php:209
13	1.5976	5818880	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.5993	5892888	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.5997	5938912	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.6115	6174016	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.6117	6205600	PoolCounterWork->execute( )	../Util.php:133
18	1.6119	6229856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.6119	6230040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.6119	6230112	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.6119	6232048	PoolCounterWork->execute( )	../Util.php:129
22	1.6120	6232696	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.6120	6232880	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.6120	6233000	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.6336	6347248	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.6342	6351176	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.6342	6351456	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.6344	6352744	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.6344	6353136	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	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.6366	6276424	OutputPage->output( )	../MediaWiki.php:583
5	1.6369	6282872	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.6370	6284168	WebResponse->header( )	../OutputPage.php:2134
7	1.6370	6284312	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	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.6366	6276424	OutputPage->output( )	../MediaWiki.php:583
5	1.6369	6282872	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.6378	6292200	WebResponse->header( )	../OutputPage.php:2171
7	1.6378	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	0.0001	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.6366	6276424	OutputPage->output( )	../MediaWiki.php:583
5	1.6369	6282872	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.6384	6292144	WebResponse->header( )	../OutputPage.php:2172
7	1.6384	6292288	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	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.6366	6276424	OutputPage->output( )	../MediaWiki.php:583
5	1.6388	6292144	WebResponse->header( )	../OutputPage.php:2220
6	1.6388	6292288	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	233896	{main}( )	../index.php:0
2	0.3851	3376040	MediaWiki->run( )	../index.php:46
3	0.3851	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	1.6366	6276424	OutputPage->output( )	../MediaWiki.php:583
5	1.6395	6292296	WebResponse->header( )	../OutputPage.php:2227
6	1.6395	6292440	header ( )	../WebResponse.php:37