( ! ) Warning: Search backend error during near_match search for '3.139.83.145' after 2. 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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.1204	3551512	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1944	4379208	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1948	4433096	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1948	4433464	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4323	5795792	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4640	5802048	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4640	5802800	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4730	5817800	Hooks::run( )	../SearchEngine.php:231
12	0.4731	5819400	call_user_func_array ( )	../Hooks.php:209
13	0.4731	5820104	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4735	5894144	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4739	5940168	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4761	6175272	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5044	6206880	PoolCounterWork->execute( )	../Util.php:133
18	0.5046	6231136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5046	6231320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5046	6231392	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5046	6233328	PoolCounterWork->execute( )	../Util.php:129
22	0.5046	6233976	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5046	6234160	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5046	6234280	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5065	6348512	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5067	6352448	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5067	6352728	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5068	6354032	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5068	6354424	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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5173	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.5175	6284160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5176	6285456	WebResponse->header( )	../OutputPage.php:2134
7	0.5176	6285600	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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5173	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.5175	6284160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5247	6293488	WebResponse->header( )	../OutputPage.php:2171
7	0.5248	6293632	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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5173	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.5175	6284160	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5253	6293432	WebResponse->header( )	../OutputPage.php:2172
7	0.5253	6293576	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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5173	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.5302	6293432	WebResponse->header( )	../OutputPage.php:2220
6	0.5302	6293576	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	233928	{main}( )	../index.php:0
2	0.0459	3376040	MediaWiki->run( )	../index.php:46
3	0.0459	3377448	MediaWiki->main( )	../MediaWiki.php:424
4	0.5173	6277704	OutputPage->output( )	../MediaWiki.php:583
5	0.5309	6293592	WebResponse->header( )	../OutputPage.php:2227
6	0.5309	6293736	header ( )	../WebResponse.php:37