( ! ) Warning: Search backend error during near_match search for '18.223.170.152' after 39. 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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	0.2499	3956872	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3915	4411568	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4012	4465624	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4012	4465992	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.0952	5809904	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1197	5815872	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1197	5816624	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1326	5831616	Hooks::run( )	../SearchEngine.php:231
12	1.1326	5833216	call_user_func_array ( )	../Hooks.php:209
13	1.1326	5833920	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1337	5907960	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1344	5953984	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1582	6189064	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1585	6220648	PoolCounterWork->execute( )	../Util.php:133
18	1.1586	6244904	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1586	6245088	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1587	6245160	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1587	6247096	PoolCounterWork->execute( )	../Util.php:129
22	1.1587	6247744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1587	6247928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1587	6248048	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1974	6362280	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1975	6366216	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1975	6366496	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1976	6367800	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1976	6368192	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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2224	6291512	OutputPage->output( )	../MediaWiki.php:583
5	1.2229	6297968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2230	6299264	WebResponse->header( )	../OutputPage.php:2134
7	1.2230	6299408	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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2224	6291512	OutputPage->output( )	../MediaWiki.php:583
5	1.2229	6297968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2237	6307296	WebResponse->header( )	../OutputPage.php:2171
7	1.2237	6307440	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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2224	6291512	OutputPage->output( )	../MediaWiki.php:583
5	1.2229	6297968	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2242	6307240	WebResponse->header( )	../OutputPage.php:2172
7	1.2242	6307384	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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2224	6291512	OutputPage->output( )	../MediaWiki.php:583
5	1.2408	6307240	WebResponse->header( )	../OutputPage.php:2220
6	1.2408	6307384	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	235360	{main}( )	../index.php:0
2	0.1018	3781392	MediaWiki->run( )	../index.php:46
3	0.1019	3782800	MediaWiki->main( )	../MediaWiki.php:424
4	1.2224	6291512	OutputPage->output( )	../MediaWiki.php:583
5	1.2551	6307400	WebResponse->header( )	../OutputPage.php:2227
6	1.2551	6307544	header ( )	../WebResponse.php:37