( ! ) Warning: Search backend error during near_match search for '18.119.135.71' after 12. 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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	0.5180	3553056	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.7455	4380512	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.7459	4434408	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.7459	4434776	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.2414	5796336	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.2637	5802568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.2637	5803320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.2718	5818320	Hooks::run( )	../SearchEngine.php:231
12	1.2718	5819920	call_user_func_array ( )	../Hooks.php:209
13	1.2718	5820624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.2723	5894656	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.2729	5940688	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.2754	6175696	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.2757	6207296	PoolCounterWork->execute( )	../Util.php:133
18	1.2758	6231552	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.2758	6231736	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.2758	6231808	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.2759	6233744	PoolCounterWork->execute( )	../Util.php:129
22	1.2759	6234392	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.2759	6234576	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.2759	6234696	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.2883	6348968	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.2885	6352904	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.2885	6353184	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.2886	6354488	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.2886	6354880	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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	1.3033	6278192	OutputPage->output( )	../MediaWiki.php:583
5	1.3036	6284640	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3037	6285936	WebResponse->header( )	../OutputPage.php:2134
7	1.3037	6286080	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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	1.3033	6278192	OutputPage->output( )	../MediaWiki.php:583
5	1.3036	6284640	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3044	6293968	WebResponse->header( )	../OutputPage.php:2171
7	1.3044	6294112	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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	1.3033	6278192	OutputPage->output( )	../MediaWiki.php:583
5	1.3036	6284640	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.3049	6293912	WebResponse->header( )	../OutputPage.php:2172
7	1.3049	6294056	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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	1.3033	6278192	OutputPage->output( )	../MediaWiki.php:583
5	1.3054	6293912	WebResponse->header( )	../OutputPage.php:2220
6	1.3054	6294056	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	235328	{main}( )	../index.php:0
2	0.3794	3377464	MediaWiki->run( )	../index.php:46
3	0.3794	3378872	MediaWiki->main( )	../MediaWiki.php:424
4	1.3033	6278192	OutputPage->output( )	../MediaWiki.php:583
5	1.3060	6294072	WebResponse->header( )	../OutputPage.php:2227
6	1.3060	6294216	header ( )	../WebResponse.php:37