( ! ) Warning: Search backend error during near_match search for '216.73.216.90' after 18. 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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.1350	3957120	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.2080	4411896	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.2084	4465888	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.2084	4466256	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.4128	5809952	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	0.4519	5816160	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	0.4519	5816912	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	0.4615	5831912	Hooks::run( )	../SearchEngine.php:231
12	0.4616	5833512	call_user_func_array ( )	../Hooks.php:209
13	0.4616	5834216	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	0.4620	5908288	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	0.4626	5954312	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	0.4865	6189384	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	0.5028	6220968	PoolCounterWork->execute( )	../Util.php:133
18	0.5029	6245224	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	0.5030	6245408	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	0.5030	6245480	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	0.5030	6247416	PoolCounterWork->execute( )	../Util.php:129
22	0.5030	6248064	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	0.5030	6248248	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	0.5030	6248368	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	0.5209	6362640	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	0.5211	6366576	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	0.5211	6366856	MWDebug::warning( )	../GlobalFunctions.php:1247
28	0.5212	6368160	MWDebug::sendMessage( )	../MWDebug.php:155
29	0.5212	6368552	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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.5232	6291832	OutputPage->output( )	../MediaWiki.php:583
5	0.5235	6298288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5236	6299584	WebResponse->header( )	../OutputPage.php:2134
7	0.5236	6299728	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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.5232	6291832	OutputPage->output( )	../MediaWiki.php:583
5	0.5235	6298288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5243	6307616	WebResponse->header( )	../OutputPage.php:2171
7	0.5243	6307760	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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.5232	6291832	OutputPage->output( )	../MediaWiki.php:583
5	0.5235	6298288	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	0.5386	6307560	WebResponse->header( )	../OutputPage.php:2172
7	0.5386	6307704	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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.5232	6291832	OutputPage->output( )	../MediaWiki.php:583
5	0.5392	6307560	WebResponse->header( )	../OutputPage.php:2220
6	0.5392	6307704	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	235872	{main}( )	../index.php:0
2	0.0635	3781696	MediaWiki->run( )	../index.php:46
3	0.0635	3783104	MediaWiki->main( )	../MediaWiki.php:424
4	0.5232	6291832	OutputPage->output( )	../MediaWiki.php:583
5	0.5479	6307720	WebResponse->header( )	../OutputPage.php:2227
6	0.5479	6307864	header ( )	../WebResponse.php:37