( ! ) Warning: Search backend error during near_match search for '18.223.29.51' after 14. 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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.0415	3561064	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0701	4388664	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0704	4442608	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0704	4442976	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1680	5805448	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1880	5811120	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1880	5811872	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1901	5826872	Hooks::run( )	../SearchEngine.php:231
12	0.1901	5828472	call_user_func_array ( )	../Hooks.php:209
13	0.1901	5829176	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1904	5903208	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1907	5949248	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1923	6184336	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1926	6217104	PoolCounterWork->execute( )	../Util.php:133
18	0.1966	6241544	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1966	6241728	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1966	6241800	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1966	6243768	PoolCounterWork->execute( )	../Util.php:129
22	0.1966	6244416	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1966	6244600	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1966	6244720	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2105	6359024	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2107	6362976	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2107	6363256	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2108	6364560	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2108	6364952	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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2128	6288184	OutputPage->output( )	../MediaWiki.php:583
5	0.2130	6294632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2131	6295928	WebResponse->header( )	../OutputPage.php:2134
7	0.2131	6296072	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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2128	6288184	OutputPage->output( )	../MediaWiki.php:583
5	0.2130	6294632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2137	6303960	WebResponse->header( )	../OutputPage.php:2171
7	0.2137	6304104	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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2128	6288184	OutputPage->output( )	../MediaWiki.php:583
5	0.2130	6294632	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2145	6303904	WebResponse->header( )	../OutputPage.php:2172
7	0.2145	6304048	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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2128	6288184	OutputPage->output( )	../MediaWiki.php:583
5	0.2150	6303904	WebResponse->header( )	../OutputPage.php:2220
6	0.2150	6304048	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	240336	{main}( )	../index.php:0
2	0.0117	3385552	MediaWiki->run( )	../index.php:46
3	0.0117	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2128	6288184	OutputPage->output( )	../MediaWiki.php:583
5	0.2155	6304064	WebResponse->header( )	../OutputPage.php:2227
6	0.2155	6304208	header ( )	../WebResponse.php:37