( ! ) Warning: Search backend error during near_match search for '18.118.193.123' after 7. 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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0194	3551632	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0346	4379192	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0350	4433104	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0350	4433472	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0781	5794832	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0833	5801064	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0833	5801816	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0855	5816808	Hooks::run( )	../SearchEngine.php:231
12	0.0856	5818408	call_user_func_array ( )	../Hooks.php:209
13	0.0856	5819112	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0862	5893152	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0871	5939184	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0906	6174288	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0908	6205872	PoolCounterWork->execute( )	../Util.php:133
18	0.0910	6230128	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0910	6230312	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0910	6230384	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0910	6232320	PoolCounterWork->execute( )	../Util.php:129
22	0.0910	6232968	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0910	6233152	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0910	6233272	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0976	6347488	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0977	6351424	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0977	6351704	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0978	6353008	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0978	6353400	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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6276688	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6283144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1001	6284440	WebResponse->header( )	../OutputPage.php:2134
7	0.1001	6284584	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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6276688	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6283144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1007	6292472	WebResponse->header( )	../OutputPage.php:2171
7	0.1007	6292616	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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6276688	OutputPage->output( )	../MediaWiki.php:583
5	0.1000	6283144	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1013	6292416	WebResponse->header( )	../OutputPage.php:2172
7	0.1013	6292560	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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6276688	OutputPage->output( )	../MediaWiki.php:583
5	0.1018	6292416	WebResponse->header( )	../OutputPage.php:2220
6	0.1018	6292560	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	233960	{main}( )	../index.php:0
2	0.0107	3376112	MediaWiki->run( )	../index.php:46
3	0.0108	3377520	MediaWiki->main( )	../MediaWiki.php:424
4	0.0998	6276688	OutputPage->output( )	../MediaWiki.php:583
5	0.1023	6292576	WebResponse->header( )	../OutputPage.php:2227
6	0.1023	6292720	header ( )	../WebResponse.php:37