( ! ) Warning: Search backend error during near_match search for '18.191.189.164' after 7. 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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0299	3551928	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0488	4379376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0493	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0493	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0943	5796504	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1003	5802760	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1003	5803512	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1029	5818504	Hooks::run( )	../SearchEngine.php:231
12	0.1030	5820104	call_user_func_array ( )	../Hooks.php:209
13	0.1030	5820808	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1036	5894832	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1044	5940856	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1080	6175904	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1083	6207488	PoolCounterWork->execute( )	../Util.php:133
18	0.1086	6231744	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1086	6231928	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1086	6232000	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1086	6233936	PoolCounterWork->execute( )	../Util.php:129
22	0.1086	6234584	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1086	6234768	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1086	6234888	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1153	6349152	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1155	6353088	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1155	6353368	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1156	6354672	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1156	6355064	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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1177	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.1180	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1181	6286136	WebResponse->header( )	../OutputPage.php:2134
7	0.1181	6286280	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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1177	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.1180	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1188	6294184	WebResponse->header( )	../OutputPage.php:2171
7	0.1188	6294328	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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1177	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.1180	6284840	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1193	6294128	WebResponse->header( )	../OutputPage.php:2172
7	0.1193	6294272	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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1177	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.1198	6294128	WebResponse->header( )	../OutputPage.php:2220
6	0.1198	6294272	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	0.0148	3376416	MediaWiki->run( )	../index.php:46
3	0.0149	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1177	6278384	OutputPage->output( )	../MediaWiki.php:583
5	0.1204	6294288	WebResponse->header( )	../OutputPage.php:2227
6	0.1204	6294432	header ( )	../WebResponse.php:37