( ! ) Warning: Search backend error during near_match search for '18.221.165.115' after 6. 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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.0236	3599224	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0392	4412536	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0397	4466528	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0397	4466896	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0897	5793984	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0951	5800136	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0951	5800888	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0975	5815880	Hooks::run( )	../SearchEngine.php:231
12	0.0975	5817480	call_user_func_array ( )	../Hooks.php:209
13	0.0975	5818184	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0981	5892216	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0989	5938240	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1021	6173296	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1024	6204880	PoolCounterWork->execute( )	../Util.php:133
18	0.1027	6229136	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1027	6229320	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1027	6229392	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1027	6231328	PoolCounterWork->execute( )	../Util.php:129
22	0.1028	6231976	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1028	6232160	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1028	6232280	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1092	6346512	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1093	6350448	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1094	6350728	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1095	6352032	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1095	6352424	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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.1114	6275728	OutputPage->output( )	../MediaWiki.php:583
5	0.1116	6282184	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1117	6283480	WebResponse->header( )	../OutputPage.php:2134
7	0.1117	6283624	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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.1114	6275728	OutputPage->output( )	../MediaWiki.php:583
5	0.1116	6282184	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1123	6291512	WebResponse->header( )	../OutputPage.php:2171
7	0.1123	6291656	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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.1114	6275728	OutputPage->output( )	../MediaWiki.php:583
5	0.1116	6282184	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1128	6291456	WebResponse->header( )	../OutputPage.php:2172
7	0.1128	6291600	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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.1114	6275728	OutputPage->output( )	../MediaWiki.php:583
5	0.1133	6291456	WebResponse->header( )	../OutputPage.php:2220
6	0.1133	6291600	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	232232	{main}( )	../index.php:0
2	0.0109	3374160	MediaWiki->run( )	../index.php:46
3	0.0110	3375568	MediaWiki->main( )	../MediaWiki.php:424
4	0.1114	6275728	OutputPage->output( )	../MediaWiki.php:583
5	0.1140	6291616	WebResponse->header( )	../OutputPage.php:2227
6	0.1140	6291760	header ( )	../WebResponse.php:37