( ! ) Warning: Search backend error during near_match search for '3.137.173.170' after 22. 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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.0299	3559120	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0965	4386680	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0970	4440576	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0971	4440944	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.2373	5803840	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.2568	5809416	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.2568	5810168	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.2590	5825168	Hooks::run( )	../SearchEngine.php:231
12	0.2591	5826768	call_user_func_array ( )	../Hooks.php:209
13	0.2591	5827472	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.2598	5901512	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.2608	5947544	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.2736	6182632	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.2740	6215424	PoolCounterWork->execute( )	../Util.php:133
18	0.2742	6239864	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.2742	6240048	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.2742	6240120	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.2742	6242088	PoolCounterWork->execute( )	../Util.php:129
22	0.2742	6242736	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.2742	6242920	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.2742	6243040	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2961	6357320	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2963	6361256	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2963	6361536	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2964	6362840	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2964	6363232	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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2984	6286480	OutputPage->output( )	../MediaWiki.php:583
5	0.2986	6292928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2987	6294224	WebResponse->header( )	../OutputPage.php:2134
7	0.2987	6294368	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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2984	6286480	OutputPage->output( )	../MediaWiki.php:583
5	0.2986	6292928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2994	6302256	WebResponse->header( )	../OutputPage.php:2171
7	0.2994	6302400	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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2984	6286480	OutputPage->output( )	../MediaWiki.php:583
5	0.2986	6292928	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2999	6302200	WebResponse->header( )	../OutputPage.php:2172
7	0.2999	6302344	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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2984	6286480	OutputPage->output( )	../MediaWiki.php:583
5	0.3004	6302200	WebResponse->header( )	../OutputPage.php:2220
6	0.3004	6302344	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	238760	{main}( )	../index.php:0
2	0.0145	3383616	MediaWiki->run( )	../index.php:46
3	0.0145	3385024	MediaWiki->main( )	../MediaWiki.php:424
4	0.2984	6286480	OutputPage->output( )	../MediaWiki.php:583
5	0.3010	6302360	WebResponse->header( )	../OutputPage.php:2227
6	0.3010	6302504	header ( )	../WebResponse.php:37