( ! ) Warning: Search backend error during near_match search for '3.22.166.101' 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	240336	{main}( )	../index.php:0
2	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.0353	3561064	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0690	4388664	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0695	4442608	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0695	4442976	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1515	5805448	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1649	5811120	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1649	5811872	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1780	5826872	Hooks::run( )	../SearchEngine.php:231
12	0.1781	5828472	call_user_func_array ( )	../Hooks.php:209
13	0.1781	5829176	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1804	5903208	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1824	5949232	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1902	6184320	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1904	6217096	PoolCounterWork->execute( )	../Util.php:133
18	0.1905	6241536	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1905	6241720	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1905	6241792	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1906	6243760	PoolCounterWork->execute( )	../Util.php:129
22	0.1906	6244408	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1906	6244592	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1906	6244712	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2061	6359016	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2062	6362952	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2062	6363232	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2063	6364536	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2063	6364928	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	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2089	6288176	OutputPage->output( )	../MediaWiki.php:583
5	0.2119	6294624	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2130	6295920	WebResponse->header( )	../OutputPage.php:2134
7	0.2130	6296064	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	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2089	6288176	OutputPage->output( )	../MediaWiki.php:583
5	0.2119	6294624	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2139	6303952	WebResponse->header( )	../OutputPage.php:2171
7	0.2139	6304096	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	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2089	6288176	OutputPage->output( )	../MediaWiki.php:583
5	0.2119	6294624	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2144	6303896	WebResponse->header( )	../OutputPage.php:2172
7	0.2144	6304040	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	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2089	6288176	OutputPage->output( )	../MediaWiki.php:583
5	0.2149	6303896	WebResponse->header( )	../OutputPage.php:2220
6	0.2149	6304040	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	0.0120	3385552	MediaWiki->run( )	../index.php:46
3	0.0121	3386960	MediaWiki->main( )	../MediaWiki.php:424
4	0.2089	6288176	OutputPage->output( )	../MediaWiki.php:583
5	0.2155	6304056	WebResponse->header( )	../OutputPage.php:2227
6	0.2155	6304200	header ( )	../WebResponse.php:37