( ! ) Warning: Search backend error during near_match search for '3.142.201.19' after 38. 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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.0648	3559304	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1269	4386944	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1273	4440880	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1273	4441248	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3306	5803544	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3585	5809232	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3585	5809984	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3637	5824984	Hooks::run( )	../SearchEngine.php:231
12	0.3638	5826584	call_user_func_array ( )	../Hooks.php:209
13	0.3638	5827288	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3641	5901328	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3645	5947368	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3664	6182456	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3666	6215232	PoolCounterWork->execute( )	../Util.php:133
18	0.3667	6239672	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3667	6239856	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3667	6239928	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3667	6241896	PoolCounterWork->execute( )	../Util.php:129
22	0.3667	6242544	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3667	6242728	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3667	6242848	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4046	6357168	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4048	6361104	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4048	6361384	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4049	6362688	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4049	6363080	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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.4067	6286312	OutputPage->output( )	../MediaWiki.php:583
5	0.4069	6292760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4070	6294056	WebResponse->header( )	../OutputPage.php:2134
7	0.4070	6294200	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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.4067	6286312	OutputPage->output( )	../MediaWiki.php:583
5	0.4069	6292760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4077	6302088	WebResponse->header( )	../OutputPage.php:2171
7	0.4077	6302232	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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.4067	6286312	OutputPage->output( )	../MediaWiki.php:583
5	0.4069	6292760	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4082	6302032	WebResponse->header( )	../OutputPage.php:2172
7	0.4082	6302176	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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.4067	6286312	OutputPage->output( )	../MediaWiki.php:583
5	0.4087	6302032	WebResponse->header( )	../OutputPage.php:2220
6	0.4087	6302176	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	0.0161	3383568	MediaWiki->run( )	../index.php:46
3	0.0161	3384976	MediaWiki->main( )	../MediaWiki.php:424
4	0.4067	6286312	OutputPage->output( )	../MediaWiki.php:583
5	0.4093	6302192	WebResponse->header( )	../OutputPage.php:2227
6	0.4093	6302336	header ( )	../WebResponse.php:37