( ! ) Warning: Search backend error during near_match search for '18.191.140.255' 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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.0185	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0329	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0334	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0334	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0792	5795304	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0843	5801560	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0843	5802312	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0865	5817304	Hooks::run( )	../SearchEngine.php:231
12	0.0865	5818904	call_user_func_array ( )	../Hooks.php:209
13	0.0866	5819608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0870	5893632	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0879	5939672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0912	6174728	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0914	6206312	PoolCounterWork->execute( )	../Util.php:133
18	0.0916	6230568	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0916	6230752	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0916	6230824	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0916	6232760	PoolCounterWork->execute( )	../Util.php:129
22	0.0916	6233408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0916	6233592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0917	6233712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0983	6347944	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0984	6351880	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0984	6352160	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0986	6353464	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0986	6353856	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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1006	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1007	6284928	WebResponse->header( )	../OutputPage.php:2134
7	0.1007	6285072	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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1006	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1014	6292960	WebResponse->header( )	../OutputPage.php:2171
7	0.1014	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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1006	6283632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1019	6292904	WebResponse->header( )	../OutputPage.php:2172
7	0.1019	6293048	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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1024	6292904	WebResponse->header( )	../OutputPage.php:2220
6	0.1024	6293048	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	233960	{main}( )	../index.php:0
2	0.0092	3376096	MediaWiki->run( )	../index.php:46
3	0.0093	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.1004	6277176	OutputPage->output( )	../MediaWiki.php:583
5	0.1029	6293064	WebResponse->header( )	../OutputPage.php:2227
6	0.1029	6293208	header ( )	../WebResponse.php:37