( ! ) Warning: Search backend error during near_match search for '3.16.47.108' after 79. 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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	0.1700	3599080	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.3087	4412592	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.3094	4466584	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.3094	4466952	SpecialSearch->execute( )	../SpecialPage.php:383
8	1.1065	5794176	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.1351	5800360	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.1351	5801112	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.1541	5816112	Hooks::run( )	../SearchEngine.php:231
12	1.1542	5817712	call_user_func_array ( )	../Hooks.php:209
13	1.1542	5818416	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.1546	5892448	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.1554	5938488	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1800	6173544	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1803	6205128	PoolCounterWork->execute( )	../Util.php:133
18	1.1804	6229384	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1804	6229568	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1804	6229640	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1804	6231576	PoolCounterWork->execute( )	../Util.php:129
22	1.1804	6232224	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1804	6232408	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1804	6232528	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.2599	6346776	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.2600	6350712	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.2600	6350992	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.2601	6352296	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.2601	6352688	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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	1.2618	6275984	OutputPage->output( )	../MediaWiki.php:583
5	1.2621	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2622	6283736	WebResponse->header( )	../OutputPage.php:2134
7	1.2622	6283880	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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	1.2618	6275984	OutputPage->output( )	../MediaWiki.php:583
5	1.2621	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2628	6291768	WebResponse->header( )	../OutputPage.php:2171
7	1.2628	6291912	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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	1.2618	6275984	OutputPage->output( )	../MediaWiki.php:583
5	1.2621	6282440	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2633	6291712	WebResponse->header( )	../OutputPage.php:2172
7	1.2633	6291856	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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	1.2618	6275984	OutputPage->output( )	../MediaWiki.php:583
5	1.2638	6291712	WebResponse->header( )	../OutputPage.php:2220
6	1.2638	6291856	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	232168	{main}( )	../index.php:0
2	0.0706	3374064	MediaWiki->run( )	../index.php:46
3	0.0706	3375472	MediaWiki->main( )	../MediaWiki.php:424
4	1.2618	6275984	OutputPage->output( )	../MediaWiki.php:583
5	1.2643	6291864	WebResponse->header( )	../OutputPage.php:2227
6	1.2643	6292008	header ( )	../WebResponse.php:37