( ! ) Warning: Search backend error during near_match search for '18.220.245.140' after 27. 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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.0594	3599352	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1092	4412776	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1096	4466736	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1097	4467104	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3464	5794480	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3755	5800760	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3755	5801512	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3838	5816504	Hooks::run( )	../SearchEngine.php:231
12	0.3838	5818104	call_user_func_array ( )	../Hooks.php:209
13	0.3838	5818808	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3843	5892848	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3850	5938872	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3879	6173968	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3881	6205552	PoolCounterWork->execute( )	../Util.php:133
18	0.3882	6229816	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3882	6230000	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3882	6230072	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3883	6232008	PoolCounterWork->execute( )	../Util.php:129
22	0.3883	6232656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3883	6232840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3883	6232960	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4155	6347224	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4156	6351160	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4156	6351440	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4157	6352744	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4157	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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4221	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.4223	6282864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4225	6284160	WebResponse->header( )	../OutputPage.php:2134
7	0.4225	6284304	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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4221	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.4223	6282864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4233	6292192	WebResponse->header( )	../OutputPage.php:2171
7	0.4233	6292336	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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4221	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.4223	6282864	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4238	6292136	WebResponse->header( )	../OutputPage.php:2172
7	0.4238	6292280	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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4221	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.4242	6292136	WebResponse->header( )	../OutputPage.php:2220
6	0.4243	6292280	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	232232	{main}( )	../index.php:0
2	0.0234	3374336	MediaWiki->run( )	../index.php:46
3	0.0234	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4221	6276408	OutputPage->output( )	../MediaWiki.php:583
5	0.4248	6292296	WebResponse->header( )	../OutputPage.php:2227
6	0.4249	6292440	header ( )	../WebResponse.php:37