( ! ) Warning: Search backend error during near_match search for '3.147.51.67' after 49. 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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	0.2029	3551968	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.5325	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.5328	4433312	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.5329	4433680	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.4477	5796272	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.5464	5802528	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.5464	5803280	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.6371	5818280	Hooks::run( )	../SearchEngine.php:231
12	1.6371	5819880	call_user_func_array ( )	../Hooks.php:209
13	1.6371	5820584	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.6375	5894616	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.6381	5940640	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.6987	6175648	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.6989	6207232	PoolCounterWork->execute( )	../Util.php:133
18	1.6991	6231488	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.6991	6231672	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.6991	6231744	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.6991	6233680	PoolCounterWork->execute( )	../Util.php:129
22	1.6991	6234328	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.6991	6234512	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.6991	6234632	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.7484	6348896	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.7485	6352832	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.7485	6353112	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.7487	6354416	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.7487	6354808	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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.7997	6278120	OutputPage->output( )	../MediaWiki.php:583
5	1.7999	6284576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.8000	6285872	WebResponse->header( )	../OutputPage.php:2134
7	1.8000	6286016	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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.7997	6278120	OutputPage->output( )	../MediaWiki.php:583
5	1.7999	6284576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.8007	6293904	WebResponse->header( )	../OutputPage.php:2171
7	1.8007	6294048	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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.7997	6278120	OutputPage->output( )	../MediaWiki.php:583
5	1.7999	6284576	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.8453	6293848	WebResponse->header( )	../OutputPage.php:2172
7	1.8453	6293992	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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.7997	6278120	OutputPage->output( )	../MediaWiki.php:583
5	1.8459	6293848	WebResponse->header( )	../OutputPage.php:2220
6	1.8459	6293992	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	233928	{main}( )	../index.php:0
2	0.0089	3376408	MediaWiki->run( )	../index.php:46
3	0.0089	3377816	MediaWiki->main( )	../MediaWiki.php:424
4	1.7997	6278120	OutputPage->output( )	../MediaWiki.php:583
5	1.8465	6294008	WebResponse->header( )	../OutputPage.php:2227
6	1.8465	6294152	header ( )	../WebResponse.php:37