( ! ) Warning: Search backend error during near_match search for '18.188.216.102' after 15. 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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.0649	3965496	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1474	4420288	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1478	4474352	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1479	4474720	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3409	5819080	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.3624	5825048	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.3624	5825800	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.3662	5840792	Hooks::run( )	../SearchEngine.php:231
12	0.3662	5842392	call_user_func_array ( )	../Hooks.php:209
13	0.3662	5843096	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.3678	5917136	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.3722	5963160	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.3790	6198184	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.3792	6230952	PoolCounterWork->execute( )	../Util.php:133
18	0.3793	6255368	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.3793	6255552	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.3793	6255624	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.3793	6257592	PoolCounterWork->execute( )	../Util.php:129
22	0.3793	6258240	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.3793	6258424	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.3793	6258544	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.3942	6372792	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.3943	6376728	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.3943	6377008	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.3944	6378312	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.3944	6378704	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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.3965	6301960	OutputPage->output( )	../MediaWiki.php:583
5	0.3968	6308416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3968	6309712	WebResponse->header( )	../OutputPage.php:2134
7	0.3969	6309856	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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.3965	6301960	OutputPage->output( )	../MediaWiki.php:583
5	0.3968	6308416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3977	6317744	WebResponse->header( )	../OutputPage.php:2171
7	0.3977	6317888	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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.3965	6301960	OutputPage->output( )	../MediaWiki.php:583
5	0.3968	6308416	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.3982	6317688	WebResponse->header( )	../OutputPage.php:2172
7	0.3982	6317832	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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.3965	6301960	OutputPage->output( )	../MediaWiki.php:583
5	0.3987	6317688	WebResponse->header( )	../OutputPage.php:2220
6	0.3987	6317832	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	240880	{main}( )	../index.php:0
2	0.0364	3789952	MediaWiki->run( )	../index.php:46
3	0.0364	3791360	MediaWiki->main( )	../MediaWiki.php:424
4	0.3965	6301960	OutputPage->output( )	../MediaWiki.php:583
5	0.3999	6317848	WebResponse->header( )	../OutputPage.php:2227
6	0.3999	6317992	header ( )	../WebResponse.php:37