( ! ) Warning: Search backend error during near_match search for '18.220.123.118' after 17. 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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.0521	3551592	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1625	4379144	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1629	4433064	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1629	4433432	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.5062	5795304	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.5657	5801560	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.5657	5802312	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.5756	5817304	Hooks::run( )	../SearchEngine.php:231
12	0.5756	5818904	call_user_func_array ( )	../Hooks.php:209
13	0.5756	5819608	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.5760	5893648	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.5765	5939688	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.5909	6174792	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5912	6206376	PoolCounterWork->execute( )	../Util.php:133
18	0.5913	6230632	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5913	6230816	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5913	6230888	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5914	6232824	PoolCounterWork->execute( )	../Util.php:129
22	0.5914	6233472	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5914	6233656	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5914	6233776	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.6089	6347992	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.6090	6351928	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.6090	6352208	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.6091	6353512	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.6091	6353904	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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.6110	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.6112	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6113	6284944	WebResponse->header( )	../OutputPage.php:2134
7	0.6113	6285088	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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.6110	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.6112	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6120	6292976	WebResponse->header( )	../OutputPage.php:2171
7	0.6120	6293120	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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.6110	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.6112	6283648	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.6125	6292920	WebResponse->header( )	../OutputPage.php:2172
7	0.6125	6293064	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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.6110	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.6251	6292920	WebResponse->header( )	../OutputPage.php:2220
6	0.6251	6293064	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	0.0255	3376096	MediaWiki->run( )	../index.php:46
3	0.0255	3377504	MediaWiki->main( )	../MediaWiki.php:424
4	0.6110	6277192	OutputPage->output( )	../MediaWiki.php:583
5	0.6274	6293080	WebResponse->header( )	../OutputPage.php:2227
6	0.6274	6293224	header ( )	../WebResponse.php:37