( ! ) Warning: Search backend error during near_match search for '18.216.255.250' 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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.0794	3599352	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.1948	4412776	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.1952	4466736	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.1952	4467104	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.3670	5794480	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4344	5800760	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4344	5801512	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4378	5816504	Hooks::run( )	../SearchEngine.php:231
12	0.4378	5818104	call_user_func_array ( )	../Hooks.php:209
13	0.4378	5818808	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4382	5892832	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4386	5938856	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4403	6173912	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.4405	6205496	PoolCounterWork->execute( )	../Util.php:133
18	0.4406	6229768	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.4406	6229952	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.4406	6230024	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.4406	6231960	PoolCounterWork->execute( )	../Util.php:129
22	0.4406	6232608	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.4406	6232792	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.4407	6232912	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.4567	6347160	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.4569	6351096	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.4569	6351376	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.4570	6352680	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.4570	6353072	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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4590	6276360	OutputPage->output( )	../MediaWiki.php:583
5	0.4592	6282816	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4593	6284112	WebResponse->header( )	../OutputPage.php:2134
7	0.4593	6284256	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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4590	6276360	OutputPage->output( )	../MediaWiki.php:583
5	0.4592	6282816	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4599	6292144	WebResponse->header( )	../OutputPage.php:2171
7	0.4599	6292288	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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4590	6276360	OutputPage->output( )	../MediaWiki.php:583
5	0.4592	6282816	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.4604	6292088	WebResponse->header( )	../OutputPage.php:2172
7	0.4604	6292232	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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4590	6276360	OutputPage->output( )	../MediaWiki.php:583
5	0.4608	6292088	WebResponse->header( )	../OutputPage.php:2220
6	0.4608	6292232	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	232232	{main}( )	../index.php:0
2	0.0137	3374336	MediaWiki->run( )	../index.php:46
3	0.0137	3375744	MediaWiki->main( )	../MediaWiki.php:424
4	0.4590	6276360	OutputPage->output( )	../MediaWiki.php:583
5	0.4614	6292248	WebResponse->header( )	../OutputPage.php:2227
6	0.4614	6292392	header ( )	../WebResponse.php:37