( ! ) Warning: Search backend error during near_match search for '18.116.8.169' after 234. 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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	1.0373	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	1.7239	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	1.7243	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	1.7244	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	5.1961	5794616	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	5.4516	5800872	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	5.4516	5801624	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	5.5221	5816624	Hooks::run( )	../SearchEngine.php:231
12	5.5221	5818224	call_user_func_array ( )	../Hooks.php:209
13	5.5221	5818928	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	5.5226	5892960	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	5.5233	5938984	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	5.7387	6174040	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	5.7390	6205648	PoolCounterWork->execute( )	../Util.php:133
18	5.7391	6229904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	5.7391	6230088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	5.7391	6230160	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	5.7392	6232096	PoolCounterWork->execute( )	../Util.php:129
22	5.7392	6232744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	5.7392	6232928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	5.7392	6233048	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	5.9730	6347296	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	5.9732	6351232	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	5.9732	6351512	MWDebug::warning( )	../GlobalFunctions.php:1247
28	5.9733	6352816	MWDebug::sendMessage( )	../MWDebug.php:155
29	5.9733	6353208	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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	6.1557	6276520	OutputPage->output( )	../MediaWiki.php:583
5	6.1559	6282976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	6.1560	6284272	WebResponse->header( )	../OutputPage.php:2134
7	6.1560	6284416	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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	6.1557	6276520	OutputPage->output( )	../MediaWiki.php:583
5	6.1559	6282976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	6.1567	6292304	WebResponse->header( )	../OutputPage.php:2171
7	6.1567	6292448	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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	6.1557	6276520	OutputPage->output( )	../MediaWiki.php:583
5	6.1559	6282976	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	6.1572	6292248	WebResponse->header( )	../OutputPage.php:2172
7	6.1572	6292392	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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	6.1557	6276520	OutputPage->output( )	../MediaWiki.php:583
5	6.3858	6292248	WebResponse->header( )	../OutputPage.php:2220
6	6.3858	6292392	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	233928	{main}( )	../index.php:0
2	0.1811	3375864	MediaWiki->run( )	../index.php:46
3	0.1811	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	6.1557	6276520	OutputPage->output( )	../MediaWiki.php:583
5	6.3865	6292408	WebResponse->header( )	../OutputPage.php:2227
6	6.3865	6292552	header ( )	../WebResponse.php:37