( ! ) Warning: Search backend error during near_match search for '18.218.234.83' after 6. 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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0266	3957144	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0379	4411976	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0383	4465960	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0383	4466328	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0782	5810352	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0837	5816568	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0837	5817320	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0859	5832320	Hooks::run( )	../SearchEngine.php:231
12	0.0859	5833920	call_user_func_array ( )	../Hooks.php:209
13	0.0859	5834624	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0864	5908680	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0870	5954704	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0900	6189752	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0902	6221336	PoolCounterWork->execute( )	../Util.php:133
18	0.0903	6245592	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0903	6245776	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0903	6245848	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0903	6247784	PoolCounterWork->execute( )	../Util.php:129
22	0.0903	6248432	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0903	6248616	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0903	6248736	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.0964	6363000	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.0966	6366936	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.0966	6367216	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.0966	6368520	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.0966	6368912	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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	6292224	OutputPage->output( )	../MediaWiki.php:583
5	0.0985	6298680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0986	6299976	WebResponse->header( )	../OutputPage.php:2134
7	0.0986	6300120	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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	6292224	OutputPage->output( )	../MediaWiki.php:583
5	0.0985	6298680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0992	6308008	WebResponse->header( )	../OutputPage.php:2171
7	0.0992	6308152	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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	6292224	OutputPage->output( )	../MediaWiki.php:583
5	0.0985	6298680	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.0996	6307952	WebResponse->header( )	../OutputPage.php:2172
7	0.0996	6308096	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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	6292224	OutputPage->output( )	../MediaWiki.php:583
5	0.1001	6307952	WebResponse->header( )	../OutputPage.php:2220
6	0.1001	6308096	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	235872	{main}( )	../index.php:0
2	0.0191	3781576	MediaWiki->run( )	../index.php:46
3	0.0191	3782984	MediaWiki->main( )	../MediaWiki.php:424
4	0.0983	6292224	OutputPage->output( )	../MediaWiki.php:583
5	0.1007	6308112	WebResponse->header( )	../OutputPage.php:2227
6	0.1007	6308256	header ( )	../WebResponse.php:37