( ! ) Warning: Search backend error during near_match search for '3.15.34.38' after 19. 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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.0656	3552080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1647	4379568	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1793	4433440	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1794	4433808	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4191	5795664	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4531	5801848	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4531	5802600	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4643	5817600	Hooks::run( )	../SearchEngine.php:231
12	0.4644	5819200	call_user_func_array ( )	../Hooks.php:209
13	0.4644	5819904	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4649	5893912	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4655	5939952	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4801	6175048	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4804	6206648	PoolCounterWork->execute( )	../Util.php:133
18	0.4806	6230904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4806	6231088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4806	6231160	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4806	6233096	PoolCounterWork->execute( )	../Util.php:129
22	0.4806	6233744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4806	6233928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4806	6234048	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4994	6348328	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4996	6352256	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4996	6352536	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4997	6353824	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4997	6354216	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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.5016	6277520	OutputPage->output( )	../MediaWiki.php:583
5	0.5018	6283968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5019	6285264	WebResponse->header( )	../OutputPage.php:2134
7	0.5019	6285408	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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.5016	6277520	OutputPage->output( )	../MediaWiki.php:583
5	0.5018	6283968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5025	6293296	WebResponse->header( )	../OutputPage.php:2171
7	0.5025	6293440	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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.5016	6277520	OutputPage->output( )	../MediaWiki.php:583
5	0.5018	6283968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5111	6293240	WebResponse->header( )	../OutputPage.php:2172
7	0.5111	6293384	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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.5016	6277520	OutputPage->output( )	../MediaWiki.php:583
5	0.5116	6293240	WebResponse->header( )	../OutputPage.php:2220
6	0.5116	6293384	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	233896	{main}( )	../index.php:0
2	0.0250	3376392	MediaWiki->run( )	../index.php:46
3	0.0250	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.5016	6277520	OutputPage->output( )	../MediaWiki.php:583
5	0.5122	6293400	WebResponse->header( )	../OutputPage.php:2227
6	0.5122	6293544	header ( )	../WebResponse.php:37