( ! ) Warning: Search backend error during near_match search for '3.137.222.12' after 7. 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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0189	3551264	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0335	4378752	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0339	4432672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0339	4433040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0767	5794632	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0817	5800888	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0817	5801640	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0839	5816640	Hooks::run( )	../SearchEngine.php:231
12	0.0840	5818240	call_user_func_array ( )	../Hooks.php:209
13	0.0840	5818944	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0846	5892992	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0853	5939032	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0886	6174136	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0889	6206928	PoolCounterWork->execute( )	../Util.php:133
18	0.0892	6231672	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0892	6231856	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0892	6231928	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0892	6233896	PoolCounterWork->execute( )	../Util.php:129
22	0.0892	6234544	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0892	6234728	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0892	6234848	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0957	6349112	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0959	6353048	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0959	6353328	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0960	6354632	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0960	6355024	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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0979	6278240	OutputPage->output( )	../MediaWiki.php:583
5	0.0981	6284696	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0982	6285992	WebResponse->header( )	../OutputPage.php:2134
7	0.0982	6286136	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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0979	6278240	OutputPage->output( )	../MediaWiki.php:583
5	0.0981	6284696	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0989	6294024	WebResponse->header( )	../OutputPage.php:2171
7	0.0989	6294168	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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0979	6278240	OutputPage->output( )	../MediaWiki.php:583
5	0.0981	6284696	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0994	6293968	WebResponse->header( )	../OutputPage.php:2172
7	0.0994	6294112	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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0979	6278240	OutputPage->output( )	../MediaWiki.php:583
5	0.0998	6293968	WebResponse->header( )	../OutputPage.php:2220
6	0.0998	6294112	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	0.0001	233928	{main}( )	../index.php:0
2	0.0094	3375864	MediaWiki->run( )	../index.php:46
3	0.0094	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0979	6278240	OutputPage->output( )	../MediaWiki.php:583
5	0.1004	6294128	WebResponse->header( )	../OutputPage.php:2227
6	0.1004	6294272	header ( )	../WebResponse.php:37