( ! ) Warning: Search backend error during near_match search for '18.218.223.84' after 28. 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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1996	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4099	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4104	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4104	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0560	5796008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1168	5802240	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1168	5802992	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1485	5817992	Hooks::run( )	../SearchEngine.php:231
12	1.1485	5819592	call_user_func_array ( )	../Hooks.php:209
13	1.1485	5820296	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1516	5894328	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1519	5940368	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1534	6175424	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1535	6207008	PoolCounterWork->execute( )	../Util.php:133
18	1.1536	6231264	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1536	6231448	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1536	6231520	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1536	6233456	PoolCounterWork->execute( )	../Util.php:129
22	1.1536	6234104	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1536	6234288	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1536	6234408	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1813	6348680	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1815	6352616	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1815	6352896	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1816	6354200	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1816	6354592	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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.2073	6277896	OutputPage->output( )	../MediaWiki.php:583
5	1.2075	6284352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2076	6285648	WebResponse->header( )	../OutputPage.php:2134
7	1.2076	6285792	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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.2073	6277896	OutputPage->output( )	../MediaWiki.php:583
5	1.2075	6284352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2083	6293696	WebResponse->header( )	../OutputPage.php:2171
7	1.2083	6293840	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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.2073	6277896	OutputPage->output( )	../MediaWiki.php:583
5	1.2075	6284352	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2088	6293640	WebResponse->header( )	../OutputPage.php:2172
7	1.2088	6293784	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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.2073	6277896	OutputPage->output( )	../MediaWiki.php:583
5	1.2093	6293640	WebResponse->header( )	../OutputPage.php:2220
6	1.2093	6293784	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	0.0475	3376416	MediaWiki->run( )	../index.php:46
3	0.0475	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	1.2073	6277896	OutputPage->output( )	../MediaWiki.php:583
5	1.2099	6293800	WebResponse->header( )	../OutputPage.php:2227
6	1.2099	6293944	header ( )	../WebResponse.php:37