( ! ) Warning: Search backend error during near_match search for '18.217.78.31' 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	0.0001	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0230	3551960	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0384	4379464	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0389	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0389	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0852	5796984	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0908	5802552	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0908	5803304	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0930	5818304	Hooks::run( )	../SearchEngine.php:231
12	0.0931	5819904	call_user_func_array ( )	../Hooks.php:209
13	0.0931	5820608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0936	5894640	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0944	5940672	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0976	6175776	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0979	6207368	PoolCounterWork->execute( )	../Util.php:133
18	0.0980	6231624	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0980	6231808	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0980	6231880	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0980	6233816	PoolCounterWork->execute( )	../Util.php:129
22	0.0980	6234464	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0980	6234648	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0980	6234768	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1043	6349048	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1044	6352984	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1045	6353264	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1045	6354568	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1045	6354960	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	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1062	6278248	OutputPage->output( )	../MediaWiki.php:583
5	0.1064	6284704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1065	6286000	WebResponse->header( )	../OutputPage.php:2134
7	0.1065	6286144	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	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1062	6278248	OutputPage->output( )	../MediaWiki.php:583
5	0.1064	6284704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1073	6294032	WebResponse->header( )	../OutputPage.php:2171
7	0.1073	6294176	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	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1062	6278248	OutputPage->output( )	../MediaWiki.php:583
5	0.1064	6284704	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1079	6293976	WebResponse->header( )	../OutputPage.php:2172
7	0.1079	6294120	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	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1062	6278248	OutputPage->output( )	../MediaWiki.php:583
5	0.1083	6293976	WebResponse->header( )	../OutputPage.php:2220
6	0.1083	6294120	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	233960	{main}( )	../index.php:0
2	0.0126	3376416	MediaWiki->run( )	../index.php:46
3	0.0127	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1062	6278248	OutputPage->output( )	../MediaWiki.php:583
5	0.1095	6294136	WebResponse->header( )	../OutputPage.php:2227
6	0.1095	6294280	header ( )	../WebResponse.php:37