( ! ) Warning: Search backend error during near_match search for '18.117.185.169' after 9. 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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0185	3551992	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0329	4379472	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0332	4433344	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0333	4433712	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0823	5796160	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0876	5802392	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0876	5803144	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0899	5818136	Hooks::run( )	../SearchEngine.php:231
12	0.0899	5819736	call_user_func_array ( )	../Hooks.php:209
13	0.0899	5820440	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0902	5894472	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0906	5940512	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.0925	6175616	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.0927	6207200	PoolCounterWork->execute( )	../Util.php:133
18	0.0928	6231456	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.0928	6231640	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.0929	6231712	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.0929	6233648	PoolCounterWork->execute( )	../Util.php:129
22	0.0929	6234296	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.0929	6234480	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.0929	6234600	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1020	6348880	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1022	6352816	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1022	6353096	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1024	6354400	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1024	6354792	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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1060	6278048	OutputPage->output( )	../MediaWiki.php:583
5	0.1077	6284504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1079	6285800	WebResponse->header( )	../OutputPage.php:2134
7	0.1079	6285944	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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1060	6278048	OutputPage->output( )	../MediaWiki.php:583
5	0.1077	6284504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1099	6293848	WebResponse->header( )	../OutputPage.php:2171
7	0.1099	6293992	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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1060	6278048	OutputPage->output( )	../MediaWiki.php:583
5	0.1077	6284504	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1105	6293792	WebResponse->header( )	../OutputPage.php:2172
7	0.1105	6293936	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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1060	6278048	OutputPage->output( )	../MediaWiki.php:583
5	0.1113	6293792	WebResponse->header( )	../OutputPage.php:2220
6	0.1113	6293936	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	233960	{main}( )	../index.php:0
2	0.0087	3376416	MediaWiki->run( )	../index.php:46
3	0.0088	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1060	6278048	OutputPage->output( )	../MediaWiki.php:583
5	0.1133	6293952	WebResponse->header( )	../OutputPage.php:2227
6	0.1133	6294096	header ( )	../WebResponse.php:37