( ! ) Warning: Search backend error during near_match search for '3.12.108.86' 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	233896	{main}( )	../index.php:0
2	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1327	3551696	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3011	4379424	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3016	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3016	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.6802	5795624	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.7306	5801568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.7306	5802320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.7460	5817320	Hooks::run( )	../SearchEngine.php:231
12	0.7460	5818920	call_user_func_array ( )	../Hooks.php:209
13	0.7460	5819624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.7464	5893672	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.7471	5939696	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.7775	6174800	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.7778	6206400	PoolCounterWork->execute( )	../Util.php:133
18	0.7779	6230656	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.7779	6230840	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.7779	6230912	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.7780	6232848	PoolCounterWork->execute( )	../Util.php:129
22	0.7780	6233496	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.7780	6233680	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.7780	6233800	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.8003	6348040	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.8004	6351976	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.8004	6352256	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.8005	6353560	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.8005	6353952	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	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.8170	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.8172	6283688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8173	6284984	WebResponse->header( )	../OutputPage.php:2134
7	0.8173	6285128	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	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.8170	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.8172	6283688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8180	6293016	WebResponse->header( )	../OutputPage.php:2171
7	0.8180	6293160	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	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.8170	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.8172	6283688	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.8185	6292960	WebResponse->header( )	../OutputPage.php:2172
7	0.8185	6293104	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	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.8170	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.8190	6292960	WebResponse->header( )	../OutputPage.php:2220
6	0.8190	6293104	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	0.0711	3376040	MediaWiki->run( )	../index.php:46
3	0.0711	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.8170	6277232	OutputPage->output( )	../MediaWiki.php:583
5	0.8196	6293112	WebResponse->header( )	../OutputPage.php:2227
6	0.8196	6293256	header ( )	../WebResponse.php:37