( ! ) Warning: Search backend error during near_match search for '18.221.20.159' after 40. 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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	0.1876	3599872	MediaWiki->performRequest( )	../MediaWiki.php:573
5	0.4477	4413184	SpecialPageFactory::executePath( )	../MediaWiki.php:270
6	0.4481	4467176	SpecialPage->run( )	../SpecialPageFactory.php:581
7	0.4481	4467544	SpecialSearch->execute( )	../SpecialPage.php:383
8	0.9114	5794792	SpecialSearch->goResult( )	../SpecialSearch.php:117
9	1.0168	5800976	SearchEngine::getNearMatch( )	../SpecialSearch.php:188
10	1.0168	5801728	SearchEngine::getNearMatchInternal( )	../SearchEngine.php:139
11	1.0554	5816728	Hooks::run( )	../SearchEngine.php:231
12	1.0554	5818328	call_user_func_array ( )	../Hooks.php:209
13	1.0555	5819032	CirrusSearch\Hooks::onSearchGetNearMatch( )	../Hooks.php:209
14	1.0560	5893064	CirrusSearch\Searcher->nearMatchTitleSearch( )	../Hooks.php:408
15	1.0569	5939104	CirrusSearch\Searcher->search( )	../Searcher.php:268
16	1.1255	6174160	CirrusSearch\Util::doPoolCounterWork( )	../Searcher.php:1079
17	1.1257	6205760	PoolCounterWork->execute( )	../Util.php:133
18	1.1258	6230016	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
19	1.1258	6230200	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
20	1.1258	6230272	CirrusSearch\Util::CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
21	1.1259	6232208	PoolCounterWork->execute( )	../Util.php:129
22	1.1259	6232856	PoolCounterWorkViaCallback->doWork( )	../PoolCounterWork.php:123
23	1.1259	6233040	call_user_func_array ( )	../PoolCounterWorkViaCallback.php:69
24	1.1259	6233160	CirrusSearch\Searcher->CirrusSearch\{closure}( )	../PoolCounterWorkViaCallback.php:69
25	1.1659	6347416	CirrusSearch\ElasticsearchIntermediary->failure( )	../Searcher.php:1063
26	1.1661	6351352	wfLogWarning( )	../ElasticsearchIntermediary.php:98
27	1.1661	6351632	MWDebug::warning( )	../GlobalFunctions.php:1247
28	1.1662	6352936	MWDebug::sendMessage( )	../MWDebug.php:155
29	1.1662	6353328	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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	1.1948	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.2030	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2031	6284384	WebResponse->header( )	../OutputPage.php:2134
7	1.2031	6284528	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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	1.1948	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.2030	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2038	6292416	WebResponse->header( )	../OutputPage.php:2171
7	1.2038	6292560	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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	1.1948	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.2030	6283088	OutputPage->sendCacheControl( )	../OutputPage.php:2218
6	1.2227	6292360	WebResponse->header( )	../OutputPage.php:2172
7	1.2227	6292504	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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	1.1948	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.2233	6292360	WebResponse->header( )	../OutputPage.php:2220
6	1.2233	6292504	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	0.0676	3374728	MediaWiki->run( )	../index.php:46
3	0.0676	3376136	MediaWiki->main( )	../MediaWiki.php:424
4	1.1948	6276632	OutputPage->output( )	../MediaWiki.php:583
5	1.2379	6292520	WebResponse->header( )	../OutputPage.php:2227
6	1.2379	6292664	header ( )	../WebResponse.php:37