( ! ) Warning: Search backend error during near_match search for '18.119.163.236' 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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.0206	3551928	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0360	4379376	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0365	4433360	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0365	4433728	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.0842	5796440	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.0933	5802696	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.0933	5803448	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.0957	5818440	Hooks::run( )	../SearchEngine.php:231
12	0.0957	5820040	call_user_func_array ( )	../Hooks.php:209
13	0.0957	5820744	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.0963	5894768	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.0971	5940808	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1001	6175864	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1004	6207464	PoolCounterWork->execute( )	../Util.php:133
18	0.1005	6231720	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1005	6231904	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1005	6231976	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1005	6233912	PoolCounterWork->execute( )	../Util.php:129
22	0.1006	6234560	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1006	6234744	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1006	6234864	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.1069	6349096	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.1070	6353032	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.1070	6353312	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.1071	6354616	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.1071	6355008	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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1090	6278328	OutputPage->output( )	../MediaWiki.php:583
5	0.1092	6284784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1093	6286080	WebResponse->header( )	../OutputPage.php:2134
7	0.1093	6286224	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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1090	6278328	OutputPage->output( )	../MediaWiki.php:583
5	0.1092	6284784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1100	6294128	WebResponse->header( )	../OutputPage.php:2171
7	0.1100	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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1090	6278328	OutputPage->output( )	../MediaWiki.php:583
5	0.1092	6284784	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.1105	6294072	WebResponse->header( )	../OutputPage.php:2172
7	0.1105	6294216	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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1090	6278328	OutputPage->output( )	../MediaWiki.php:583
5	0.1110	6294072	WebResponse->header( )	../OutputPage.php:2220
6	0.1110	6294216	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	0.0124	3376416	MediaWiki->run( )	../index.php:46
3	0.0124	3377824	MediaWiki->main( )	../MediaWiki.php:424
4	0.1090	6278328	OutputPage->output( )	../MediaWiki.php:583
5	0.1116	6294232	WebResponse->header( )	../OutputPage.php:2227
6	0.1116	6294376	header ( )	../WebResponse.php:37