( ! ) Warning: Search backend error during near_match search for '18.222.89.230' after 16. 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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.0266	3560880	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.0878	4388304	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.0882	4442192	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.0883	4442560	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.1661	5804752	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.1808	5810984	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.1808	5811736	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.1871	5826736	Hooks::run( )	../SearchEngine.php:231
12	0.1872	5828336	call_user_func_array ( )	../Hooks.php:209
13	0.1872	5829040	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.1884	5903072	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.1891	5949120	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.1918	6184208	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.1920	6216992	PoolCounterWork->execute( )	../Util.php:133
18	0.1922	6241432	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.1922	6241616	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.1922	6241688	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.1922	6243656	PoolCounterWork->execute( )	../Util.php:129
22	0.1922	6244304	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.1922	6244488	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.1922	6244608	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.2079	6358912	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.2080	6362848	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.2080	6363128	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.2081	6364432	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.2081	6364824	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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2099	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.2101	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2102	6295808	WebResponse->header( )	../OutputPage.php:2134
7	0.2103	6295952	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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2099	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.2101	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2109	6303840	WebResponse->header( )	../OutputPage.php:2171
7	0.2109	6303984	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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2099	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.2101	6294512	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.2114	6303784	WebResponse->header( )	../OutputPage.php:2172
7	0.2114	6303928	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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2099	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.2119	6303784	WebResponse->header( )	../OutputPage.php:2220
6	0.2119	6303928	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	239856	{main}( )	../index.php:0
2	0.0109	3385280	MediaWiki->run( )	../index.php:46
3	0.0109	3386688	MediaWiki->main( )	../MediaWiki.php:424
4	0.2099	6288056	OutputPage->output( )	../MediaWiki.php:583
5	0.2126	6303944	WebResponse->header( )	../OutputPage.php:2227
6	0.2126	6304088	header ( )	../WebResponse.php:37