( ! ) Warning: Search backend error during near_match search for '18.216.220.105' after 11. 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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.0238	3964960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0352	4419656	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0357	4473672	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0357	4474040	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1554	5818328	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1619	5824544	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1619	5825296	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1673	5840288	Hooks::run( )	../SearchEngine.php:231
12	0.1673	5841888	call_user_func_array ( )	../Hooks.php:209
13	0.1673	5842592	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1680	5916632	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1688	5962656	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1724	6197752	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1726	6230520	PoolCounterWork->execute( )	../Util.php:133
18	0.1728	6254960	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1728	6255144	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1728	6255216	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1728	6257184	PoolCounterWork->execute( )	../Util.php:129
22	0.1728	6257832	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1728	6258016	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1728	6258136	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1841	6372416	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1842	6376352	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1842	6376632	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1843	6377936	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1843	6378328	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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1861	6301584	OutputPage->output( )	../MediaWiki.php:583
5	0.1863	6308040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1864	6309336	WebResponse->header( )	../OutputPage.php:2134
7	0.1864	6309480	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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1861	6301584	OutputPage->output( )	../MediaWiki.php:583
5	0.1863	6308040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1870	6317368	WebResponse->header( )	../OutputPage.php:2171
7	0.1870	6317512	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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1861	6301584	OutputPage->output( )	../MediaWiki.php:583
5	0.1863	6308040	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1875	6317312	WebResponse->header( )	../OutputPage.php:2172
7	0.1875	6317456	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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1861	6301584	OutputPage->output( )	../MediaWiki.php:583
5	0.1880	6317312	WebResponse->header( )	../OutputPage.php:2220
6	0.1880	6317456	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	240368	{main}( )	../index.php:0
2	0.0149	3789408	MediaWiki->run( )	../index.php:46
3	0.0150	3790816	MediaWiki->main( )	../MediaWiki.php:424
4	0.1861	6301584	OutputPage->output( )	../MediaWiki.php:583
5	0.1886	6317472	WebResponse->header( )	../OutputPage.php:2227
6	0.1886	6317616	header ( )	../WebResponse.php:37