( ! ) Warning: Search backend error during near_match search for '3.12.161.0' after 28. 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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.1326	3551320	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2486	4378744	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2632	4432616	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2635	4432984	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.5646	5795000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.6272	5801232	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.6272	5801984	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.6529	5816984	Hooks::run( )	../SearchEngine.php:231
12	0.6529	5818584	call_user_func_array ( )	../Hooks.php:209
13	0.6529	5819288	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.6618	5893288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.6622	5939320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.6754	6174376	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.6756	6205976	PoolCounterWork->execute( )	../Util.php:133
18	0.6757	6230232	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.6757	6230416	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.6757	6230488	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.6758	6232424	PoolCounterWork->execute( )	../Util.php:129
22	0.6758	6233072	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.6758	6233256	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.6758	6233376	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.7036	6347648	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.7038	6351576	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.7038	6351856	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.7039	6353144	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.7039	6353536	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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.7212	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.7293	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7294	6284600	WebResponse->header( )	../OutputPage.php:2134
7	0.7294	6284744	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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.7212	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.7293	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7301	6292632	WebResponse->header( )	../OutputPage.php:2171
7	0.7301	6292776	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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.7212	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.7293	6283304	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.7306	6292576	WebResponse->header( )	../OutputPage.php:2172
7	0.7307	6292720	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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.7212	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.7493	6292576	WebResponse->header( )	../OutputPage.php:2220
6	0.7493	6292720	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	0.0333	3375864	MediaWiki->run( )	../index.php:46
3	0.0334	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.7212	6276856	OutputPage->output( )	../MediaWiki.php:583
5	0.7500	6292728	WebResponse->header( )	../OutputPage.php:2227
6	0.7500	6292872	header ( )	../WebResponse.php:37