( ! ) Warning: Search backend error during near_match search for '18.226.4.246' after 15. 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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.0362	3559064	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0984	4386560	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0988	4440448	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0989	4440816	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2686	5803136	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2877	5808984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2877	5809736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3020	5824736	Hooks::run( )	../SearchEngine.php:231
12	0.3020	5826336	call_user_func_array ( )	../Hooks.php:209
13	0.3020	5827040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3027	5901072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3035	5947096	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3214	6182120	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3216	6214896	PoolCounterWork->execute( )	../Util.php:133
18	0.3217	6239312	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3217	6239496	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3217	6239568	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3218	6241536	PoolCounterWork->execute( )	../Util.php:129
22	0.3218	6242184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3218	6242368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3218	6242488	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3369	6356760	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3370	6360696	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3370	6360976	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3372	6362280	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3372	6362672	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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3392	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.3394	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3395	6293664	WebResponse->header( )	../OutputPage.php:2134
7	0.3395	6293808	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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3392	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.3394	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3401	6301696	WebResponse->header( )	../OutputPage.php:2171
7	0.3401	6301840	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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3392	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.3394	6292368	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3406	6301640	WebResponse->header( )	../OutputPage.php:2172
7	0.3406	6301784	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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3392	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.3411	6301640	WebResponse->header( )	../OutputPage.php:2220
6	0.3411	6301784	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	238728	{main}( )	../index.php:0
2	0.0255	3383568	MediaWiki->run( )	../index.php:46
3	0.0255	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.3392	6285920	OutputPage->output( )	../MediaWiki.php:583
5	0.3417	6301800	WebResponse->header( )	../OutputPage.php:2227
6	0.3417	6301944	header ( )	../WebResponse.php:37