( ! ) Warning: Search backend error during near_match search for '3.22.74.66' 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	233896	{main}( )	../index.php:0
2	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0164	3551320	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0308	4378744	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0311	4432616	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0312	4432984	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0731	5795000	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0784	5801232	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0784	5801984	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0805	5816984	Hooks::run( )	../SearchEngine.php:231
12	0.0806	5818584	call_user_func_array ( )	../Hooks.php:209
13	0.0806	5819288	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0809	5893288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0813	5939320	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0831	6174328	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0832	6205928	PoolCounterWork->execute( )	../Util.php:133
18	0.0833	6230184	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0833	6230368	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0833	6230440	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0834	6232376	PoolCounterWork->execute( )	../Util.php:129
22	0.0834	6233024	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0834	6233208	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0834	6233328	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0850	6347600	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0851	6351528	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0851	6351808	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0852	6353096	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0852	6353488	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	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0869	6276824	OutputPage->output( )	../MediaWiki.php:583
5	0.0871	6283272	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0872	6284568	WebResponse->header( )	../OutputPage.php:2134
7	0.0872	6284712	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	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0869	6276824	OutputPage->output( )	../MediaWiki.php:583
5	0.0871	6283272	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0878	6292600	WebResponse->header( )	../OutputPage.php:2171
7	0.0878	6292744	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	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0869	6276824	OutputPage->output( )	../MediaWiki.php:583
5	0.0871	6283272	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0884	6292544	WebResponse->header( )	../OutputPage.php:2172
7	0.0884	6292688	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	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0869	6276824	OutputPage->output( )	../MediaWiki.php:583
5	0.0889	6292544	WebResponse->header( )	../OutputPage.php:2220
6	0.0889	6292688	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	0.0087	3375864	MediaWiki->run( )	../index.php:46
3	0.0087	3377272	MediaWiki->main( )	../MediaWiki.php:424
4	0.0869	6276824	OutputPage->output( )	../MediaWiki.php:583
5	0.0895	6292696	WebResponse->header( )	../OutputPage.php:2227
6	0.0895	6292840	header ( )	../WebResponse.php:37