( ! ) Warning: Search backend error during near_match search for '18.117.77.136' 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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0271	3560880	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0732	4388304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0738	4442192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0738	4442560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1619	5804752	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1726	5810984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1726	5811736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1749	5826736	Hooks::run( )	../SearchEngine.php:231
12	0.1749	5828336	call_user_func_array ( )	../Hooks.php:209
13	0.1749	5829040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1756	5903072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1764	5949120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1799	6184208	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1801	6216992	PoolCounterWork->execute( )	../Util.php:133
18	0.1803	6241432	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1803	6241616	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1803	6241688	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1804	6243656	PoolCounterWork->execute( )	../Util.php:129
22	0.1804	6244304	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1804	6244488	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1804	6244608	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1872	6358912	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1873	6362848	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1873	6363128	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1874	6364432	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1874	6364824	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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1893	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.1895	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1896	6295808	WebResponse->header( )	../OutputPage.php:2134
7	0.1896	6295952	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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1893	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.1895	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1905	6303840	WebResponse->header( )	../OutputPage.php:2171
7	0.1905	6303984	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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1893	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.1895	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1910	6303784	WebResponse->header( )	../OutputPage.php:2172
7	0.1910	6303928	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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1893	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.1914	6303784	WebResponse->header( )	../OutputPage.php:2220
6	0.1914	6303928	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	0.0001	239856	{main}( )	../index.php:0
2	0.0157	3385280	MediaWiki->run( )	../index.php:46
3	0.0157	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.1893	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.1925	6303944	WebResponse->header( )	../OutputPage.php:2227
6	0.1925	6304088	header ( )	../WebResponse.php:37