( ! ) Warning: Search backend error during near_match search for '3.16.47.89' 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	0.0000	233896	{main}( )	../index.php:0
2	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.0202	3552080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0350	4379568	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0355	4433440	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0355	4433808	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0797	5795664	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0849	5801848	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0849	5802600	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0876	5817600	Hooks::run( )	../SearchEngine.php:231
12	0.0877	5819200	call_user_func_array ( )	../Hooks.php:209
13	0.0877	5819904	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0884	5893896	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0891	5939936	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0919	6174992	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0921	6206576	PoolCounterWork->execute( )	../Util.php:133
18	0.0923	6230832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0923	6231016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0923	6231088	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0924	6233024	PoolCounterWork->execute( )	../Util.php:129
22	0.0924	6233672	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0924	6233856	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0925	6233976	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0991	6348224	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0992	6352152	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0992	6352432	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0993	6353720	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0993	6354112	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	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6277448	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1015	6285192	WebResponse->header( )	../OutputPage.php:2134
7	0.1015	6285336	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	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6277448	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1021	6293224	WebResponse->header( )	../OutputPage.php:2171
7	0.1022	6293368	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	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6277448	OutputPage->output( )	../MediaWiki.php:583
5	0.1014	6283896	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1026	6293168	WebResponse->header( )	../OutputPage.php:2172
7	0.1026	6293312	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	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6277448	OutputPage->output( )	../MediaWiki.php:583
5	0.1031	6293168	WebResponse->header( )	../OutputPage.php:2220
6	0.1031	6293312	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	0.0099	3376392	MediaWiki->run( )	../index.php:46
3	0.0099	3377800	MediaWiki->main( )	../MediaWiki.php:424
4	0.1012	6277448	OutputPage->output( )	../MediaWiki.php:583
5	0.1037	6293328	WebResponse->header( )	../OutputPage.php:2227
6	0.1037	6293472	header ( )	../WebResponse.php:37