( ! ) Warning: Search backend error during near_match search for '18.118.20.156' after 14. 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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0370	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0908	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0912	4433368	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0912	4433736	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3270	5796008	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3399	5802240	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3399	5802992	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3499	5817992	Hooks::run( )	../SearchEngine.php:231
12	0.3499	5819592	call_user_func_array ( )	../Hooks.php:209
13	0.3499	5820296	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3504	5894344	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3510	5940384	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3531	6175488	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3534	6207088	PoolCounterWork->execute( )	../Util.php:133
18	0.3535	6231344	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3535	6231528	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3535	6231600	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3536	6233536	PoolCounterWork->execute( )	../Util.php:129
22	0.3536	6234184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3536	6234368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3536	6234488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3678	6348728	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3679	6352664	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3679	6352944	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3680	6354248	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3680	6354640	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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3697	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.3699	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3700	6285680	WebResponse->header( )	../OutputPage.php:2134
7	0.3700	6285824	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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3697	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.3699	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3708	6293728	WebResponse->header( )	../OutputPage.php:2171
7	0.3708	6293872	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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3697	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.3699	6284384	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3712	6293672	WebResponse->header( )	../OutputPage.php:2172
7	0.3712	6293816	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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3697	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.3717	6293672	WebResponse->header( )	../OutputPage.php:2220
6	0.3717	6293816	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	0.0113	3376416	MediaWiki->run( )	../index.php:46
3	0.0114	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.3697	6277928	OutputPage->output( )	../MediaWiki.php:583
5	0.3723	6293832	WebResponse->header( )	../OutputPage.php:2227
6	0.3723	6293976	header ( )	../WebResponse.php:37